Analysis

  • max time kernel
    129s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    27-06-2024 21:14

General

  • Target

    178db5992b083838ffb393f855bb3038_JaffaCakes118.exe

  • Size

    659KB

  • MD5

    178db5992b083838ffb393f855bb3038

  • SHA1

    113e849141da66115b181809169c4c590b5dcabb

  • SHA256

    2b16710a962c2676143e1f663626bbd2b8daab3f70718414ce6d2cd534379b7b

  • SHA512

    08e3e09cac0c6e9966f30119f6f94f95b4bd5f55d7e06e91b860e73e57e34648aa089af8168dce3eb1895e23604bf00adcad015a0fdf32994f7958e49afa1f5a

  • SSDEEP

    12288:19AFlAd0Z+89cxTGzO4AucTD8QP2lmFSrVs9LqnKZ:zAQ6Zx9cxTmOrucTIEFSpOGU

Malware Config

Signatures

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Modifies security service 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 1 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Drops file in Drivers directory 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Deletes itself 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Checks processor information in registry 2 TTPs 8 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\178db5992b083838ffb393f855bb3038_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\178db5992b083838ffb393f855bb3038_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops file in Drivers directory
    • Checks BIOS information in registry
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1812
    • C:\Windows\SysWOW64\notepad.exe
      notepad
      2⤵
      • Adds Run key to start application
      PID:2380
    • C:\Windows\SysWOW64\explorer.exe
      "C:\Windows\SysWOW64\explorer.exe"
      2⤵
      • Modifies firewall policy service
      • Modifies security service
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Checks BIOS information in registry
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2644
    • C:\Windows\SysWOW64\notepad.exe
      C:\Windows\SysWOW64\notepad.exe
      2⤵
      • Deletes itself
      PID:2708

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1812-56-0x0000000013140000-0x00000000131F7000-memory.dmp

    Filesize

    732KB

  • memory/1812-0-0x0000000000510000-0x0000000000511000-memory.dmp

    Filesize

    4KB

  • memory/2380-2-0x0000000000100000-0x0000000000101000-memory.dmp

    Filesize

    4KB

  • memory/2380-30-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/2644-55-0x0000000013140000-0x00000000131F7000-memory.dmp

    Filesize

    732KB

  • memory/2644-57-0x0000000013140000-0x00000000131F7000-memory.dmp

    Filesize

    732KB

  • memory/2644-33-0x0000000013140000-0x00000000131F7000-memory.dmp

    Filesize

    732KB

  • memory/2644-60-0x0000000013140000-0x00000000131F7000-memory.dmp

    Filesize

    732KB

  • memory/2644-61-0x0000000013140000-0x00000000131F7000-memory.dmp

    Filesize

    732KB

  • memory/2644-63-0x0000000013140000-0x00000000131F7000-memory.dmp

    Filesize

    732KB

  • memory/2644-62-0x0000000013140000-0x00000000131F7000-memory.dmp

    Filesize

    732KB

  • memory/2644-38-0x0000000013140000-0x00000000131F7000-memory.dmp

    Filesize

    732KB

  • memory/2644-37-0x0000000013140000-0x00000000131F7000-memory.dmp

    Filesize

    732KB

  • memory/2644-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2644-64-0x0000000013140000-0x00000000131F7000-memory.dmp

    Filesize

    732KB

  • memory/2708-54-0x0000000000190000-0x0000000000191000-memory.dmp

    Filesize

    4KB