Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-07-2024 08:06

General

  • Target

    6adc3c73fdc00ef24b9ae2cca104bd77_JaffaCakes118.exe

  • Size

    744KB

  • MD5

    6adc3c73fdc00ef24b9ae2cca104bd77

  • SHA1

    29f1b4488db4dabbccf7a599201c88d226407e49

  • SHA256

    97a339ef4e3bf5d850b732552c8cab17ef3dbbcf37f6b936ac589b0fedf3eb8c

  • SHA512

    d2064240c5faeb774c9263f88b00efd09e5b72425e113644a24bec3bf4901bd89468af379f56582b4bdd2d23df75cd3fc1912372de6a33948571fa8762833410

  • SSDEEP

    12288:Rmntf+yXc2kO6/NBLI1dFBoA04Z/xRQRgzDK9EvfJPAPNGjA7TUty+LHnd:8JtcZv/M1d7e4Z/x6CWev6GjA7TUtNj

Malware Config

Signatures

  • Darkcomet

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

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 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.

  • 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
  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6adc3c73fdc00ef24b9ae2cca104bd77_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6adc3c73fdc00ef24b9ae2cca104bd77_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2384
    • C:\Users\Admin\AppData\Local\Temp\6adc3c73fdc00ef24b9ae2cca104bd77_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\6adc3c73fdc00ef24b9ae2cca104bd77_JaffaCakes118.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Checks BIOS information in registry
      • Checks computer location settings
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Enumerates system info in registry
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3036
      • C:\Windows\SysWOW64\notepad.exe
        notepad
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:3888
      • C:\Windows\SysWOW64\explorer.exe
        "C:\Windows\SysWOW64\explorer.exe"
        3⤵
          PID:3360
        • C:\system32\winupdate.exe
          "C:\system32\winupdate.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2452
          • C:\system32\winupdate.exe
            "C:\system32\winupdate.exe"
            4⤵
            • Checks BIOS information in registry
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Checks processor information in registry
            • Enumerates system info in registry
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:4560
            • C:\Windows\SysWOW64\notepad.exe
              C:\Windows\SysWOW64\notepad.exe
              5⤵
              • System Location Discovery: System Language Discovery
              PID:3420

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\system32\winupdate.exe

      Filesize

      744KB

      MD5

      6adc3c73fdc00ef24b9ae2cca104bd77

      SHA1

      29f1b4488db4dabbccf7a599201c88d226407e49

      SHA256

      97a339ef4e3bf5d850b732552c8cab17ef3dbbcf37f6b936ac589b0fedf3eb8c

      SHA512

      d2064240c5faeb774c9263f88b00efd09e5b72425e113644a24bec3bf4901bd89468af379f56582b4bdd2d23df75cd3fc1912372de6a33948571fa8762833410

    • memory/3036-3-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/3036-0-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/3036-4-0x00000000022B0000-0x00000000022B1000-memory.dmp

      Filesize

      4KB

    • memory/3036-1-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/3036-67-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/3036-2-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/3420-73-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

      Filesize

      4KB

    • memory/3888-6-0x0000000000A30000-0x0000000000A31000-memory.dmp

      Filesize

      4KB

    • memory/4560-71-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/4560-74-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/4560-76-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/4560-75-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/4560-72-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/4560-77-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB