Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2024 09:30

General

  • Target

    a126fb4700e7288d0ef6d4188a4482ac_JaffaCakes118.exe

  • Size

    803KB

  • MD5

    a126fb4700e7288d0ef6d4188a4482ac

  • SHA1

    8e85ad17b307a0bc4feb2fb094c34fe7ba796945

  • SHA256

    20b51877f0945f6fea6e22256f45d67aabaa66cd455fd1fc46259c6feacfe9f2

  • SHA512

    0f5eb3b5dba6119ab64f5fe681227f94b582027e5460c818b951e742796f3f654def61cb45d7884b4f1bb28f2a4ef15abaabbaaf8f4748dfd1b9a7aa24c83495

  • SSDEEP

    12288:ua7gThYVHetIaER2H0YOsODOrG9AxOOLtt2m+vGSYvNTz5UpzRB0n8Vm6b:slaaiq0YOxEUAxFLtIm+OSY1/k0Qf

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 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
  • Drops file in Windows directory 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 4 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a126fb4700e7288d0ef6d4188a4482ac_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a126fb4700e7288d0ef6d4188a4482ac_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2636
    • C:\Users\Admin\AppData\Local\Temp\a126fb4700e7288d0ef6d4188a4482ac_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\a126fb4700e7288d0ef6d4188a4482ac_JaffaCakes118.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Checks computer location settings
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2792
      • C:\Users\Admin\AppData\Roaming\MSDCS\svchosth.exe
        "C:\Users\Admin\AppData\Roaming\MSDCS\svchosth.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2388
        • C:\Users\Admin\AppData\Roaming\MSDCS\svchosth.exe
          "C:\Users\Admin\AppData\Roaming\MSDCS\svchosth.exe"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1144

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\MSDCS\svchosth.exe

    Filesize

    803KB

    MD5

    a126fb4700e7288d0ef6d4188a4482ac

    SHA1

    8e85ad17b307a0bc4feb2fb094c34fe7ba796945

    SHA256

    20b51877f0945f6fea6e22256f45d67aabaa66cd455fd1fc46259c6feacfe9f2

    SHA512

    0f5eb3b5dba6119ab64f5fe681227f94b582027e5460c818b951e742796f3f654def61cb45d7884b4f1bb28f2a4ef15abaabbaaf8f4748dfd1b9a7aa24c83495

  • memory/1144-127-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/1144-138-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/1144-128-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/1144-135-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/1144-134-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/1144-133-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/1144-132-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/1144-131-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/1144-130-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/1144-126-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/1144-136-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/1144-137-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/1144-129-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/1144-124-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/1144-125-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/1144-123-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/1144-119-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/1144-120-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/1144-121-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/1144-122-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/1144-118-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/1144-115-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/1144-114-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/2388-93-0x0000000002330000-0x0000000002340000-memory.dmp

    Filesize

    64KB

  • memory/2388-103-0x00000000023E0000-0x00000000023F0000-memory.dmp

    Filesize

    64KB

  • memory/2388-101-0x00000000023B0000-0x00000000023C0000-memory.dmp

    Filesize

    64KB

  • memory/2388-100-0x00000000023A0000-0x00000000023B0000-memory.dmp

    Filesize

    64KB

  • memory/2388-99-0x0000000002390000-0x00000000023A0000-memory.dmp

    Filesize

    64KB

  • memory/2388-98-0x0000000002380000-0x0000000002390000-memory.dmp

    Filesize

    64KB

  • memory/2388-97-0x0000000002370000-0x0000000002380000-memory.dmp

    Filesize

    64KB

  • memory/2388-96-0x0000000002360000-0x0000000002370000-memory.dmp

    Filesize

    64KB

  • memory/2388-95-0x0000000002350000-0x0000000002360000-memory.dmp

    Filesize

    64KB

  • memory/2388-94-0x0000000002340000-0x0000000002350000-memory.dmp

    Filesize

    64KB

  • memory/2388-102-0x00000000023C0000-0x00000000023D0000-memory.dmp

    Filesize

    64KB

  • memory/2388-92-0x0000000002320000-0x0000000002330000-memory.dmp

    Filesize

    64KB

  • memory/2388-105-0x0000000002910000-0x0000000002920000-memory.dmp

    Filesize

    64KB

  • memory/2388-108-0x0000000002940000-0x0000000002950000-memory.dmp

    Filesize

    64KB

  • memory/2388-91-0x0000000000400000-0x00000000004C9A00-memory.dmp

    Filesize

    806KB

  • memory/2388-107-0x0000000002930000-0x0000000002940000-memory.dmp

    Filesize

    64KB

  • memory/2388-104-0x00000000023F0000-0x0000000002400000-memory.dmp

    Filesize

    64KB

  • memory/2388-106-0x0000000002920000-0x0000000002930000-memory.dmp

    Filesize

    64KB

  • memory/2388-117-0x0000000000400000-0x00000000004C9A00-memory.dmp

    Filesize

    806KB

  • memory/2636-13-0x0000000002630000-0x0000000002640000-memory.dmp

    Filesize

    64KB

  • memory/2636-7-0x00000000025D0000-0x00000000025E0000-memory.dmp

    Filesize

    64KB

  • memory/2636-5-0x00000000006D0000-0x00000000006E0000-memory.dmp

    Filesize

    64KB

  • memory/2636-0-0x0000000000400000-0x00000000004C9A00-memory.dmp

    Filesize

    806KB

  • memory/2636-4-0x00000000006B0000-0x00000000006C0000-memory.dmp

    Filesize

    64KB

  • memory/2636-8-0x00000000025E0000-0x00000000025F0000-memory.dmp

    Filesize

    64KB

  • memory/2636-9-0x00000000025F0000-0x0000000002600000-memory.dmp

    Filesize

    64KB

  • memory/2636-14-0x0000000002640000-0x0000000002650000-memory.dmp

    Filesize

    64KB

  • memory/2636-2-0x0000000000690000-0x00000000006A0000-memory.dmp

    Filesize

    64KB

  • memory/2636-17-0x0000000002680000-0x0000000002690000-memory.dmp

    Filesize

    64KB

  • memory/2636-11-0x0000000002610000-0x0000000002620000-memory.dmp

    Filesize

    64KB

  • memory/2636-12-0x0000000002620000-0x0000000002630000-memory.dmp

    Filesize

    64KB

  • memory/2636-1-0x00000000005F0000-0x0000000000600000-memory.dmp

    Filesize

    64KB

  • memory/2636-3-0x00000000006A0000-0x00000000006B0000-memory.dmp

    Filesize

    64KB

  • memory/2636-10-0x0000000002600000-0x0000000002610000-memory.dmp

    Filesize

    64KB

  • memory/2636-24-0x0000000000400000-0x00000000004C9A00-memory.dmp

    Filesize

    806KB

  • memory/2636-16-0x0000000002670000-0x0000000002680000-memory.dmp

    Filesize

    64KB

  • memory/2636-15-0x0000000002650000-0x0000000002660000-memory.dmp

    Filesize

    64KB

  • memory/2636-6-0x00000000025C0000-0x00000000025D0000-memory.dmp

    Filesize

    64KB

  • memory/2792-21-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/2792-20-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/2792-22-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/2792-26-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/2792-90-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/2792-25-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB