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AppleJeus

AppleJeus is a family of downloaders initially discovered in 2018 embedded within trojanized cryptocurrency applications. AppleJeus has been used by Lazarus Group, targeting companies in the energy, finance, government, industry, technology, and telecommunications sectors, and several countries including the United States, United Kingdom, South Korea, Australia, Brazil, New Zealand, and Russia. AppleJeus has been used to distribute the FALLCHILL RAT.[1]

ID: S0584
ⓘ
Type: MALWARE
ⓘ
Platforms: Windows, macOS
Version: 1.0
Created: 01 March 2021
Last Modified: 27 April 2021
Enterprise Layer
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Techniques Used

Domain ID Name Use
Enterprise T1548 .002 Abuse Elevation Control Mechanism: Bypass User Account Control

AppleJeus has presented the user with a UAC prompt to elevate privileges while installing.[1]
Enterprise T1071 .001 Application Layer Protocol: Web Protocols

AppleJeus has sent data to its C2 server via POST requests.[1]
Enterprise T1059 .004 Command and Scripting Interpreter: Unix Shell

AppleJeus has used shell scripts to execute commands after installation and set persistence mechanisms.[1]
Enterprise T1543 .003 Create or Modify System Process: Windows Service

AppleJeus can install itself as a service.[1]

.004 Create or Modify System Process: Launch Daemon

AppleJeus has placed a plist file within the LaunchDaemons folder and launched it manually.[1]
Enterprise T1140 Deobfuscate/Decode Files or Information

AppleJeus has decoded files received from a C2.[1]
Enterprise T1041 Exfiltration Over C2 Channel

AppleJeus has exfiltrated collected host information to a C2 server.[1]
Enterprise T1564 .001 Hide Artifacts: Hidden Files and Directories

AppleJeus has added a leading . to plist filenames, unlisting them from the Finder app and default Terminal directory listings.[1]
Enterprise T1070 .004 Indicator Removal on Host: File Deletion

AppleJeus has deleted the MSI file after installation.[1]
Enterprise T1027 Obfuscated Files or Information

AppleJeus has XOR-encrypted collected system information prior to sending to a C2. AppleJeus has also used the open source ADVObfuscation library for its components.[1]
Enterprise T1566 .002 Phishing: Spearphishing Link

AppleJeus has been distributed via spearphishing link.[1]
Enterprise T1053 .005 Scheduled Task/Job: Scheduled Task

AppleJeus has created a scheduled SYSTEM task that runs when a user logs in.[1]
Enterprise T1553 .002 Subvert Trust Controls: Code Signing

AppleJeus has used a valid digital signature from Sectigo to appear legitimate.[1]

Enterprise T1218 .007 System Binary Proxy Execution: Msiexec

AppleJeus has been installed via MSI installer.[1]
Enterprise T1082 System Information Discovery

AppleJeus has collected the victim host information after infection.[1]
Enterprise T1569 .001 System Services: Launchctl

AppleJeus has loaded a plist file using the launchctl command.[1]
Enterprise T1204 .001 User Execution: Malicious Link

AppleJeus's spearphishing links required user interaction to navigate to the malicious website.[1]
.002 User Execution: Malicious File

AppleJeus has required user execution of a malicious MSI installer.[1]
Enterprise T1497 .003 Virtualization/Sandbox Evasion: Time Based Evasion

AppleJeus has waited a specified time before downloading a second stage payload.[1]

Groups That Use This Software

ID Name References
G0032 Lazarus Group

[1]

References

  1. Cybersecurity and Infrastructure Security Agency. (2021, February 21). AppleJeus: Analysis of North Korea’s Cryptocurrency Malware. Retrieved March 1, 2021.