Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    12/08/2024, 03:44

General

  • Target

    8d2f20aa8cc41a1192cf102897046cdd_JaffaCakes118.exe

  • Size

    1.3MB

  • MD5

    8d2f20aa8cc41a1192cf102897046cdd

  • SHA1

    2e459523250370ce43df3b1705f018e3699474dc

  • SHA256

    34ee973fbfce6410a1d05b8f552db4fc6a025b9694259ea45d974cbdbc798219

  • SHA512

    4ceb6d8fec4973d42bf5949d4e3075188f0ae02f0f9cf807a7255e3c59cb3390f557b986b4bcbc801f9323e276a44e20d7a59ab4aaa6efdb9d228e07d20f0e1f

  • SSDEEP

    24576:43xq6mQ4qTxNasGZX5lN1Oo3uDvWWaZ2bqjyZW62VWpxOmjk:VURTLas6TvuDLZWNEmmj

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 3 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 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 12 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8d2f20aa8cc41a1192cf102897046cdd_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8d2f20aa8cc41a1192cf102897046cdd_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks BIOS information in registry
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2812
    • C:\Windows\SysWOW64\notepad.exe
      notepad
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:2840
    • C:\Windows\SysWOW64\explorer.exe
      "C:\Windows\SysWOW64\explorer.exe"
      2⤵
      • Checks BIOS information in registry
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious use of AdjustPrivilegeToken
      PID:2628
    • C:\Users\Admin\AppData\Local\Temp\Windupdt\avast.exe
      "C:\Users\Admin\AppData\Local\Temp\Windupdt\avast.exe"
      2⤵
      • 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
      PID:1636

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Windupdt\avast.exe

    Filesize

    1.3MB

    MD5

    8d2f20aa8cc41a1192cf102897046cdd

    SHA1

    2e459523250370ce43df3b1705f018e3699474dc

    SHA256

    34ee973fbfce6410a1d05b8f552db4fc6a025b9694259ea45d974cbdbc798219

    SHA512

    4ceb6d8fec4973d42bf5949d4e3075188f0ae02f0f9cf807a7255e3c59cb3390f557b986b4bcbc801f9323e276a44e20d7a59ab4aaa6efdb9d228e07d20f0e1f

  • memory/2628-61-0x0000000013140000-0x000000001328F000-memory.dmp

    Filesize

    1.3MB

  • memory/2628-51-0x0000000013140000-0x000000001328F000-memory.dmp

    Filesize

    1.3MB

  • memory/2628-108-0x0000000013140000-0x000000001328F000-memory.dmp

    Filesize

    1.3MB

  • memory/2628-40-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2628-37-0x0000000013140000-0x000000001328F000-memory.dmp

    Filesize

    1.3MB

  • memory/2628-50-0x0000000013140000-0x000000001328F000-memory.dmp

    Filesize

    1.3MB

  • memory/2628-60-0x0000000013140000-0x000000001328F000-memory.dmp

    Filesize

    1.3MB

  • memory/2628-42-0x0000000013140000-0x000000001328F000-memory.dmp

    Filesize

    1.3MB

  • memory/2628-43-0x0000000013140000-0x000000001328F000-memory.dmp

    Filesize

    1.3MB

  • memory/2628-57-0x0000000013140000-0x000000001328F000-memory.dmp

    Filesize

    1.3MB

  • memory/2628-68-0x0000000013140000-0x000000001328F000-memory.dmp

    Filesize

    1.3MB

  • memory/2628-67-0x0000000013140000-0x000000001328F000-memory.dmp

    Filesize

    1.3MB

  • memory/2628-66-0x0000000013140000-0x000000001328F000-memory.dmp

    Filesize

    1.3MB

  • memory/2628-65-0x0000000013140000-0x000000001328F000-memory.dmp

    Filesize

    1.3MB

  • memory/2628-64-0x0000000013140000-0x000000001328F000-memory.dmp

    Filesize

    1.3MB

  • memory/2628-63-0x0000000013140000-0x000000001328F000-memory.dmp

    Filesize

    1.3MB

  • memory/2628-44-0x0000000013140000-0x000000001328F000-memory.dmp

    Filesize

    1.3MB

  • memory/2628-45-0x0000000013140000-0x000000001328F000-memory.dmp

    Filesize

    1.3MB

  • memory/2628-59-0x0000000013140000-0x000000001328F000-memory.dmp

    Filesize

    1.3MB

  • memory/2628-58-0x0000000013140000-0x000000001328F000-memory.dmp

    Filesize

    1.3MB

  • memory/2628-56-0x0000000013140000-0x000000001328F000-memory.dmp

    Filesize

    1.3MB

  • memory/2628-55-0x0000000013140000-0x000000001328F000-memory.dmp

    Filesize

    1.3MB

  • memory/2628-53-0x0000000013140000-0x000000001328F000-memory.dmp

    Filesize

    1.3MB

  • memory/2628-54-0x0000000013140000-0x000000001328F000-memory.dmp

    Filesize

    1.3MB

  • memory/2628-52-0x0000000013140000-0x000000001328F000-memory.dmp

    Filesize

    1.3MB

  • memory/2628-62-0x0000000013140000-0x000000001328F000-memory.dmp

    Filesize

    1.3MB

  • memory/2628-49-0x0000000013140000-0x000000001328F000-memory.dmp

    Filesize

    1.3MB

  • memory/2628-47-0x0000000013140000-0x000000001328F000-memory.dmp

    Filesize

    1.3MB

  • memory/2628-46-0x0000000013140000-0x000000001328F000-memory.dmp

    Filesize

    1.3MB

  • memory/2812-0-0x0000000013141000-0x00000000131F2000-memory.dmp

    Filesize

    708KB

  • memory/2812-1-0x0000000013140000-0x000000001328F000-memory.dmp

    Filesize

    1.3MB

  • memory/2812-82-0x0000000013140000-0x000000001328F000-memory.dmp

    Filesize

    1.3MB

  • memory/2812-83-0x0000000013141000-0x00000000131F2000-memory.dmp

    Filesize

    708KB

  • memory/2840-3-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB

  • memory/2840-35-0x0000000000380000-0x0000000000381000-memory.dmp

    Filesize

    4KB