Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-07-2024 21:59

General

  • Target

    75e641c572706566f40e6562ab6344f6_JaffaCakes118.exe

  • Size

    333KB

  • MD5

    75e641c572706566f40e6562ab6344f6

  • SHA1

    6afcda408b57c401396ead83926419249868c5bf

  • SHA256

    801444a91b5598ccb5f092f6436b5ac94e464faa198f91524a616bf90b04cd08

  • SHA512

    489ec31b632b6e6b7aa8863504abd822423784739c54e5eafdc4ff487b4a7e93e14478025e8bcc9f9eb1a84120b7d934b58b6b1188892509eff0b1b94c1ba302

  • SSDEEP

    6144:WmDUj24gqbrXJ9Q0ExNIoMARxx34ELdK7MERzKe:WqUj2LErXJG00NIovRHIod6MExt

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1604

Mutex

DC_MUTEX-F54S21D

Attributes
  • gencode

    4eqD68Afj1Ai

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Signatures

  • Darkcomet

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

  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Modifies security service 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 2 IoCs
  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Windows security modification 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs
  • System policy modification 1 TTPs 3 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\75e641c572706566f40e6562ab6344f6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\75e641c572706566f40e6562ab6344f6_JaffaCakes118.exe"
    1⤵
    • Modifies firewall policy service
    • Modifies security service
    • Windows security bypass
    • Checks computer location settings
    • Windows security modification
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:752
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\75e641c572706566f40e6562ab6344f6_JaffaCakes118.exe" +s +h
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4344
      • C:\Windows\SysWOW64\attrib.exe
        attrib "C:\Users\Admin\AppData\Local\Temp\75e641c572706566f40e6562ab6344f6_JaffaCakes118.exe" +s +h
        3⤵
        • Sets file to hidden
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:4424
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4192
      • C:\Windows\SysWOW64\attrib.exe
        attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
        3⤵
        • Sets file to hidden
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:4072
    • C:\Windows\SysWOW64\notepad.exe
      notepad
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3960

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/752-10-0x0000000000400000-0x00000000004E9000-memory.dmp

    Filesize

    932KB

  • memory/752-7-0x0000000000400000-0x00000000004E9000-memory.dmp

    Filesize

    932KB

  • memory/752-17-0x0000000000400000-0x00000000004E9000-memory.dmp

    Filesize

    932KB

  • memory/752-3-0x0000000000400000-0x00000000004E9000-memory.dmp

    Filesize

    932KB

  • memory/752-0-0x0000000000400000-0x00000000004E9000-memory.dmp

    Filesize

    932KB

  • memory/752-5-0x0000000000400000-0x00000000004E9000-memory.dmp

    Filesize

    932KB

  • memory/752-1-0x00000000023F0000-0x00000000023F1000-memory.dmp

    Filesize

    4KB

  • memory/752-9-0x0000000000400000-0x00000000004E9000-memory.dmp

    Filesize

    932KB

  • memory/752-4-0x0000000000400000-0x00000000004E9000-memory.dmp

    Filesize

    932KB

  • memory/752-11-0x0000000000400000-0x00000000004E9000-memory.dmp

    Filesize

    932KB

  • memory/752-12-0x0000000000400000-0x00000000004E9000-memory.dmp

    Filesize

    932KB

  • memory/752-13-0x0000000000400000-0x00000000004E9000-memory.dmp

    Filesize

    932KB

  • memory/752-14-0x0000000000400000-0x00000000004E9000-memory.dmp

    Filesize

    932KB

  • memory/752-15-0x0000000000400000-0x00000000004E9000-memory.dmp

    Filesize

    932KB

  • memory/752-16-0x0000000000400000-0x00000000004E9000-memory.dmp

    Filesize

    932KB

  • memory/3960-2-0x00000000007A0000-0x00000000007A1000-memory.dmp

    Filesize

    4KB