Analysis

  • max time kernel
    51s
  • max time network
    51s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-06-2024 06:52

General

  • Target

    b238789b81c0072f170d0e067a2914e5_JaffaCakes118.exe

  • Size

    311KB

  • MD5

    b238789b81c0072f170d0e067a2914e5

  • SHA1

    829533ac0ccdefa2657b88a11aec99480e6d2e43

  • SHA256

    0ba5316465a017586abd9cae225713d848097e07a6ca673aa5150c7c5c38f3ff

  • SHA512

    87e141db93e168d612b41693f1d5a803676e43b980bce2fd9692f008436e30d5d590badd965e0529e22e55fcfc230f1dac4384b7062d2339bf4a12617f2e8e23

  • SSDEEP

    6144:cTgRHbYXdFH4opcQPTlUn+0kbEsRBQgBWBYWrghs7bS:wgRHE4gTlU+rbEsRBHYK2TS

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies firewall policy service 2 TTPs 3 IoCs
  • Modifies security service 2 TTPs 3 IoCs
  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Drops startup file 2 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Windows security modification 2 TTPs 6 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b238789b81c0072f170d0e067a2914e5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b238789b81c0072f170d0e067a2914e5_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1928
    • C:\Users\Admin\AppData\Local\Temp\b238789b81c0072f170d0e067a2914e5_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\b238789b81c0072f170d0e067a2914e5_JaffaCakes118.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Modifies firewall policy service
      • Modifies security service
      • UAC bypass
      • Windows security bypass
      • Drops startup file
      • Windows security modification
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • System policy modification
      PID:4356

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1928-1-0x0000000000630000-0x0000000000730000-memory.dmp

    Filesize

    1024KB

  • memory/4356-2-0x0000000015190000-0x00000000151CD000-memory.dmp

    Filesize

    244KB

  • memory/4356-4-0x0000000015190000-0x00000000151CD000-memory.dmp

    Filesize

    244KB

  • memory/4356-5-0x0000000015190000-0x00000000151CD000-memory.dmp

    Filesize

    244KB

  • memory/4356-6-0x0000000015190000-0x00000000151CD000-memory.dmp

    Filesize

    244KB

  • memory/4356-10-0x0000000015190000-0x00000000151CD000-memory.dmp

    Filesize

    244KB