Analysis

  • max time kernel
    150s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2024 20:51

General

  • Target

    9727c554df12859cc5547e15b8833bc2_JaffaCakes118.exe

  • Size

    792KB

  • MD5

    9727c554df12859cc5547e15b8833bc2

  • SHA1

    a694c42b3d53d184a80f9ffadeabb3b3070ad918

  • SHA256

    fdc0782c71f000eeddb58162a492816f9896795fb3d317c43f04be083a33e47d

  • SHA512

    00f8d22913bb76af6c8b753037a09782771facb68de8956a74bfe33fa4659b6877a653c8f68d3497ce2ab79616568458d89e5ee973e3abb50ef42bd29242f5c5

  • SSDEEP

    12288:SzUAU72vw+0oeFvSmAh9/3u0Rp97HPCYMx+jTUQljdQ/PYDyVVQFcLQazi2ko3on:qUAU7UeFKmACCLy+jIQlj6/PYeQ4mow

Malware Config

Signatures

  • Darkcomet

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

  • Darkcomet family
  • 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 behavior: GetForegroundWindowSpam 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\9727c554df12859cc5547e15b8833bc2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\9727c554df12859cc5547e15b8833bc2_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:336
    • C:\Users\Admin\AppData\Local\Temp\9727c554df12859cc5547e15b8833bc2_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\9727c554df12859cc5547e15b8833bc2_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:4604
      • C:\Windows\SysWOW64\notepad.exe
        notepad
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:4072
      • C:\Windows\SysWOW64\explorer.exe
        "C:\Windows\SysWOW64\explorer.exe"
        3⤵
          PID:3396
        • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
          "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3832
          • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
            "C:\Users\Admin\AppData\Roaming\svchost\svchost.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 behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:2392
            • C:\Windows\SysWOW64\notepad.exe
              C:\Windows\SysWOW64\notepad.exe
              5⤵
              • System Location Discovery: System Language Discovery
              PID:532

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe

      Filesize

      792KB

      MD5

      9727c554df12859cc5547e15b8833bc2

      SHA1

      a694c42b3d53d184a80f9ffadeabb3b3070ad918

      SHA256

      fdc0782c71f000eeddb58162a492816f9896795fb3d317c43f04be083a33e47d

      SHA512

      00f8d22913bb76af6c8b753037a09782771facb68de8956a74bfe33fa4659b6877a653c8f68d3497ce2ab79616568458d89e5ee973e3abb50ef42bd29242f5c5

    • memory/532-73-0x0000000000730000-0x0000000000731000-memory.dmp

      Filesize

      4KB

    • memory/2392-87-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/2392-93-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/2392-74-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/2392-95-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/2392-77-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/2392-92-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/2392-70-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/2392-71-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/2392-72-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/2392-76-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/2392-75-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/2392-91-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/2392-97-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/2392-90-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/2392-84-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/2392-81-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/2392-83-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/2392-85-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/2392-79-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/2392-89-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/2392-86-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/4072-6-0x0000000000AF0000-0x0000000000AF1000-memory.dmp

      Filesize

      4KB

    • memory/4604-0-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/4604-3-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/4604-1-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/4604-66-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/4604-2-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/4604-4-0x0000000002400000-0x0000000002401000-memory.dmp

      Filesize

      4KB