Mapping To APT39

APT39 is an Iranian cyber espionage group that has been active since at least 2014. They have targeted the telecommunication and travel industries to collect personal information that aligns with Iran's national priorities.


Disclaimer: We present this mapping to stimulate thinking about active defense options to combat this adversary, not to present all possibilities. We invite you to use this as a guide and add your own use cases for applying Shield techniques to counter each adversary action.

Note: All ATT&CK Group sub-technique mappings have been remapped to their parent technique and were derived from Group Technique mappings in ATT&CK v8.

Details
ATT&CK ID: G0087
Associated Groups:  APT39, Chafer
Note:  This page uses Adversary Group data from MITRE ATT&CK.
ATT&CK Technique Opportunity Space AD Technique Use Case
T1003 - OS Credential Dumping There is an opportunity to deploy a tripwire that triggers an alert when an adversary touches a network resource or uses a specific technique. DTE0012 - Decoy Credentials A defender can seed systems with decoy credentials in a variety of locations and establish alerting that will trigger if an adversary harvests the credentials and attempts to use them.
T1005 - Data from Local System In an adversary engagement scenario, there is an opportunity to add legitimacy by ensuring the local system is with fully populated with content. DTE0030 - Pocket Litter A defender can stage a variety of pocket litter files to bolster the legitimacy of the local system.
T1005 - Data from Local System In an adversary engagement scenario, there is an opportunity provide content on a variety of topics to see what types of information seems to interest the adversary. DTE0030 - Pocket Litter A defender can stage a variety of pocket litter files in order to determine if an adversary is interested in specific file types, subjects, etc.
T1018 - Remote System Discovery There is an opportunity for the defender to observe the adversary and control what they can see, what effects they can have, and/or what data they can access. DTE0036 - Software Manipulation A defender can change the output of a recon commands to hide simulation elements you don’t want attacked and present simulation elements you want the adversary to engage with.
T1018 - Remote System Discovery In an adversary engagement situation, there is an opportunity to add legitimacy by ensuring decoy systems are fully populated with information an adversary would expect to see during this recon process. DTE0011 - Decoy Content A defender can create entries in a decoy system's ARP cache, hosts file, etc. to add to the legitimacy of the device.
T1021 - Remote Services There is an opportunity to monitor network traffic for different protocols, anomalous traffic patterns, transfer of data, etc. to determine the presence of an adversary. DTE0027 - Network Monitoring The defender can implement network monitoring for and alert on anomalous traffic patterns, large or unexpected data transfers, and other activity that may reveal the presence of an adversary.
T1021 - Remote Services In an adversary engagement scenario, there is an opportunity to introduce decoy systems that can influence an adversary's behavior or allow you to observe how they perform a specific task. DTE0017 - Decoy System A defender could implement a decoy system running a remote service (such as telnet, SSH, and VNC) and see if the adversary attempts to login to the service.
T1027 - Obfuscated Files or Information In an adversary engagement scenario, there is an opportunity to introduce decoy systems that can influence an adversary's behavior or allow you to observe how they perform a specific task. DTE0017 - Decoy System A defender could implement a decoy system to study how and when an adversary obfuscate files and hides information.
T1033 - System Owner/User Discovery There is an opportunity for the defender to observe the adversary and control what they can see, what effects they can have, and/or what data they can access. DTE0036 - Software Manipulation A defender can impact an adversary's activity by manipulating or replacing the commands commonly used to display users on a system.
T1036 - Masquerading There is an opportunity to detect the presence of an adversary by identifying and alerting on anomalous behaviors. DTE0007 - Behavioral Analytics A defender can look for known files in non-standard locations or files that are creating anomalous processes or connections.
T1046 - Network Service Scanning There is an opportunity for the defender to observe the adversary and control what they can see, what effects they can have, and/or what data they can access. DTE0036 - Software Manipulation A defender can change the output of a recon commands to hide simulation elements you don’t want attacked and present simulation elements you want the adversary to engage with.
T1046 - Network Service Scanning There is an opportunity to study the adversary and collect first-hand observations about them and their tools. DTE0017 - Decoy System A defender can add decoy systems to the network so an adversary can have a variety of network services available to them. The defender can observe which network services the adversary attempts to use.
T1053 - Scheduled Task/Job There is an opportunity to study the adversary and collect first-hand observations about them and their tools. DTE0001 - Admin Access A defender can enable Admin Access on a system to see if the adversary utilizes that access to create scheduled tasks to launch their malware or tools.
T1053 - Scheduled Task/Job There is an opportunity to study the adversary and collect first-hand observations about them and their tools. DTE0017 - Decoy System A defender can configure a decoy system with limited restrictions to see if the adversary creates or alters scheduled tasks to launch their malware.
T1053 - Scheduled Task/Job There is an opportunity to create a detection with a moderately high probability of success. DTE0034 - System Activity Monitoring A defender can capture system activity logs and generate alerts if the adversary creates new scheduled tasks or alters existing tasks.
T1056 - Input Capture There is an opportunity to feed content to an adversary to influence their behaviors, test their interest in specific topics, or add legitimacy to a system or environment. DTE0011 - Decoy Content A defender can feed decoy data to an adversary that is using a key-logger or other tool, so as to shape the encounter.
T1059 - Command and Scripting Interpreter There is an opportunity for the defender to observe the adversary and control what they can see, what effects they can have, and/or what data they can access. DTE0036 - Software Manipulation A defender can manipulate the output of system commands issued to alter information the adversary might use during their activity.
T1059 - Command and Scripting Interpreter There is an opportunity for the defender to observe the adversary and control what they can see, what effects they can have, and/or what data they can access. DTE0036 - Software Manipulation A defender can modify the functionality of commands used to delete files so that the files are copied to a safe location before they are deleted.
T1059 - Command and Scripting Interpreter There is an opportunity for the defender to observe the adversary and control what they can see, what effects they can have, and/or what data they can access. DTE0034 - System Activity Monitoring A defender can detect the presence of an adversary by monitoring for processes that are created by commands and/or scripts they execute on a system.
T1071 - Application Layer Protocol There is an opportunity to monitor network traffic for different protocols, anomalous traffic patterns, transfer of data, etc. to determine the presence of an adversary. DTE0027 - Network Monitoring The defender can implement network monitoring for and alert on anomalous traffic patterns, large or unexpected data transfers, and other activity that may reveal the presence of an adversary.
T1078 - Valid Accounts There is an opportunity to introduce user accounts that are used to make a system look more realistic. DTE0010 - Decoy Account A defender can create decoy user accounts which are used to make a decoy system or network look more realistic.
T1078 - Valid Accounts There is an opportunity to deploy a tripwire that triggers an alert when an adversary touches a network resource or uses a specific technique. DTE0012 - Decoy Credentials A defender can seed systems with decoy credentials in a variety of locations and establish alerting that will trigger if an adversary harvests the credentials and attempts to use them.
T1078 - Valid Accounts There is an opportunity to prepare user accounts so they look used and authentic. DTE0008 - Burn-In A defender can prepare a Decoy System by logging in to the Decoy Account and using it in ways consistent with the deception story, creating artifacts in the system that make it look legitimate.
T1090 - Proxy There is an opportunity to block an adversary that is seeking to use a proxied connection. DTE0026 - Network Manipulation A defender could block traffic to known anonymity networks and C2 infrastructure through the use of network allow and block lists.
T1102 - Web Service There is an opportunity to detect the presence of an adversary by identifying and alerting on anomalous behaviors. DTE0007 - Behavioral Analytics A defender can detect the use of external web services for communication relay. By implementing behavior analytics anomalies in what domains a system is communicating with, how frequently, and at what times, a defender can potentially identify malicious traffic.
T1105 - Ingress Tool Transfer There is an opportunity to collect network data and analyze the adversary activity it contains. DTE0028 - PCAP Collection Collecting full packet capture of all network traffic allows you to review what happened over the connection and identify command and control traffic and/or exfiltration activity.
T1110 - Brute Force There is an opportunity to create a detection with a moderately high probability of success. DTE0034 - System Activity Monitoring A defender can monitor for user login activity that may reveal an adversary leveraging brute force techniques.
T1113 - Screen Capture There is an opportunity to feed content to an adversary to influence their behaviors, test their interest in specific topics, or add legitimacy to a system or environment. DTE0011 - Decoy Content A defender can display decoy content on the screen which may be of interest to an adversary in an attempt to elicit further engagement.
T1115 - Clipboard Data There is an opportunity to introduce data to an adversary to influence their future behaviors. DTE0011 - Decoy Content A defender can insert into a system's clipboard decoy content for the adversary to find.
T1135 - Network Share Discovery In an adversary engagement scenario, there is an opportunity to introduce decoy content to entice additional engagement activity. DTE0011 - Decoy Content A defender can utilize decoy network shares to provide content that could be used by the adversary.
T1135 - Network Share Discovery There is an opportunity to supply a variety of different decoy network shares to an adversary to see what they are drawn to look at and use. DTE0013 - Decoy Diversity A defender can make a variety of decoy network shares available to an adversary and see if the adversary seems to be drawn to shares with specific names, permissions, etc.
T1136 - Create Account There is an opportunity to create a detection with a moderately high probability of success. DTE0033 - Standard Operating Procedure A defender can detect user accounts created outside the acceptable process.
T1190 - Exploit Public-Facing Application There is an opportunity to deploy a tripwire that triggers an alert when an adversary touches a network resource or uses a specific technique. DTE0017 - Decoy System A defender can use decoy system running a public-facing application to see if an adversary attempts to compromise the system and learn their TTPs.
T1190 - Exploit Public-Facing Application There is an opportunity to present several public-facing application options to see what application(s) the adversary targets. DTE0013 - Decoy Diversity A defender can use a diverse set of decoy systems to study an adversary and determine which types of public-facing applications they choose to exploit.
T1204 - User Execution There is an opportunity to study the adversary and collect first-hand observations about them and their tools. DTE0018 - Detonate Malware A defender can execute adversary malware on a decoy system and examine its behaviors or potentially engage with the adversary to obtain further intelligence.
T1505 - Server Software Component There is an opportunity to study the adversary and collect first-hand observations about them and their tools. DTE0004 - Application Diversity A defender can install decoy services that have extensible capabilities.
T1547 - Boot or Logon Autostart Execution There is an opportunity to use tools and controls to stop an adversary's activity. DTE0006 - Baseline A defender can store good copies of registry startup keys and restore them on a frequent basis. This can prevent an adversary from using them to launch malware on system startup.
T1555 - Credentials from Password Stores In order to prolong an adversary engagement operation or enable detections, there is an opportunity to introduce credentials to an adversary that you want them to collect and use. DTE0012 - Decoy Credentials A defender can plant decoy credentials across an array of locations to increase the chances of an adversary finding and using them.
T1560 - Archive Collected Data There is an opportunity for the defender to observe the adversary and control what they can see, what effects they can have, and/or what data they can access. DTE0036 - Software Manipulation A defender might alter APIs to expose data that is being archived, encoded, and/or encrypted. This can also be used to corrupt the action so the data isn't usable.
T1566 - Phishing A phishing email can be detected and blocked from arriving at the intended recipient. DTE0019 - Email Manipulation A defender can intercept emails that are detected as suspicious or malicious by email detection tools and prevent deliver to the intended target.
T1566 - Phishing A phishing email can be detected and moved from the intended recipient to a decoy account for reading and execution. DTE0023 - Migrate Attack Vector A defender can move suspicious emails to a decoy system prior to opening and examining the email.
T1566 - Phishing Users trained and encouraged to report phishing can detect attacks that other defenses do not. DTE0035 - User Training A program to train and exercise the anti-phishing skills of users can create "Human Sensors" that help detect phishing attacks.
T1566 - Phishing There is an opportunity to discover who or what is being targeting by an adversary. DTE0015 - Decoy Persona A defender can seed information about the decoy persona's personal accounts on systems to see if the adversary collects and uses that information in future activity.
T1569 - System Services There is an opportunity for the defender to observe the adversary and control what they can see, what effects they can have, and/or what data they can access. DTE0003 - API Monitoring A defender can monitor and analyze operating system functions calls for detection and alerting.
T1569 - System Services There is an opportunity to create a detection with a moderately high probability of success. DTE0033 - Standard Operating Procedure A defender can define operating procedures for adding services and alert when they are not followed.