General

  • Target

    https://mega.nz/folder/ZflXmB7b#pJtCDDPXU-sFsv-WfFcF2g

  • Sample

    240629-my4j9awcne

Malware Config

Targets

    • Target

      https://mega.nz/folder/ZflXmB7b#pJtCDDPXU-sFsv-WfFcF2g

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Modify Registry

1
T1112

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Tasks