Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    19-04-2024 00:12

General

  • Target

    f910ba6ba0a9de0c1f139c1199e89875_JaffaCakes118.exe

  • Size

    728KB

  • MD5

    f910ba6ba0a9de0c1f139c1199e89875

  • SHA1

    e60e5ef468071cb34c645190710e87437bdf2794

  • SHA256

    3ec0a079d0652f425432709ad41d60476a26558047714ab87975567270d6d83f

  • SHA512

    55e8047d32be884d43b126fa23a2a000e44c75cc5639a3fa25cd18da40946d74a86ec49d6efe5d0424449c3aeb9de24d6e03513637c96f0672ea7e697530cad5

  • SSDEEP

    12288:qgqCYAk9Fv6ifHjKqM3ZjU1jPeu+69EoHcboSpu56HH:qkk9FvSqAOwucbvp7

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.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 8 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f910ba6ba0a9de0c1f139c1199e89875_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f910ba6ba0a9de0c1f139c1199e89875_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\Users\Admin\AppData\Local\Temp\f910ba6ba0a9de0c1f139c1199e89875_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\f910ba6ba0a9de0c1f139c1199e89875_JaffaCakes118.exe
      2⤵
      • Modifies WinLogon for persistence
      • Checks BIOS information in registry
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Drops file in Windows directory
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3044
      • C:\Windows\SysWOW64\explorer.exe
        "C:\Windows\SysWOW64\explorer.exe"
        3⤵
        • Drops file in System32 directory
        • Suspicious use of SetWindowsHookEx
        PID:2608
      • C:\Windows\microsoft\winupdate.exe
        "C:\Windows\microsoft\winupdate.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Drops file in Windows directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2476
        • C:\Windows\microsoft\winupdate.exe
          C:\Windows\microsoft\winupdate.exe
          4⤵
          • Checks BIOS information in registry
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks processor information in registry
          • Enumerates system info in registry
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2728

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Windows\microsoft\winupdate.exe

    Filesize

    728KB

    MD5

    f910ba6ba0a9de0c1f139c1199e89875

    SHA1

    e60e5ef468071cb34c645190710e87437bdf2794

    SHA256

    3ec0a079d0652f425432709ad41d60476a26558047714ab87975567270d6d83f

    SHA512

    55e8047d32be884d43b126fa23a2a000e44c75cc5639a3fa25cd18da40946d74a86ec49d6efe5d0424449c3aeb9de24d6e03513637c96f0672ea7e697530cad5

  • memory/2608-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2608-84-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/2608-34-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/2608-32-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/2608-28-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/2728-82-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2728-83-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2728-90-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2728-89-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2728-88-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2728-87-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2728-86-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2728-85-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2728-81-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2728-79-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2728-80-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2728-73-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2728-78-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2728-68-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3044-15-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/3044-23-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/3044-7-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/3044-9-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/3044-42-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/3044-11-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/3044-6-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/3044-2-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/3044-13-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/3044-4-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/3044-24-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/3044-22-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/3044-21-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/3044-20-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/3044-19-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/3044-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB