Analysis

  • max time kernel
    152s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-04-2024 16:53

General

  • Target

    ffbd76b0e495188604e247095f09c98d_JaffaCakes118.exe

  • Size

    756KB

  • MD5

    ffbd76b0e495188604e247095f09c98d

  • SHA1

    f6f9e1443990eb4bc18d520ae419abc4304fcd33

  • SHA256

    d678659ae27cccb968254b6697cf4f2dc2da9f789a6cc1a7d9b8e0ff8beadd1c

  • SHA512

    7fd0b3c9685180c3a3daf28d930591607ee4ab949aee296ea8311f490102bc8c7f67a7586e1adf0bb44ce5a778dafbbca62fd031a231917b2cb6fbeeca85e2b9

  • SSDEEP

    12288:F9AFlAd0Z+89cxTGzO4AucTD8QP2lmFSrVs9LqnKW:jAQ6Zx9cxTmOrucTIEFSpOGl

Malware Config

Signatures

  • Darkcomet

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

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies security service 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • 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 48 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ffbd76b0e495188604e247095f09c98d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ffbd76b0e495188604e247095f09c98d_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks BIOS information in registry
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2332
    • C:\Windows\SysWOW64\notepad.exe
      notepad
      2⤵
      • Adds Run key to start application
      PID:548
    • C:\Windows\SysWOW64\explorer.exe
      "C:\Windows\SysWOW64\explorer.exe"
      2⤵
      • Modifies security service
      • Windows security bypass
      • Checks BIOS information in registry
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4976
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1328 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2892

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/548-3-0x0000000000760000-0x0000000000761000-memory.dmp

      Filesize

      4KB

    • memory/2332-11-0x0000000013140000-0x000000001320F000-memory.dmp

      Filesize

      828KB

    • memory/2332-1-0x0000000002200000-0x0000000002201000-memory.dmp

      Filesize

      4KB

    • memory/2332-0-0x0000000013140000-0x000000001320F000-memory.dmp

      Filesize

      828KB

    • memory/4976-6-0x0000000013140000-0x000000001320F000-memory.dmp

      Filesize

      828KB

    • memory/4976-8-0x0000000013140000-0x000000001320F000-memory.dmp

      Filesize

      828KB

    • memory/4976-7-0x0000000013140000-0x000000001320F000-memory.dmp

      Filesize

      828KB

    • memory/4976-10-0x0000000013140000-0x000000001320F000-memory.dmp

      Filesize

      828KB

    • memory/4976-14-0x0000000013140000-0x000000001320F000-memory.dmp

      Filesize

      828KB

    • memory/4976-13-0x0000000002E40000-0x0000000002E41000-memory.dmp

      Filesize

      4KB

    • memory/4976-12-0x0000000013140000-0x000000001320F000-memory.dmp

      Filesize

      828KB

    • memory/4976-9-0x0000000013140000-0x000000001320F000-memory.dmp

      Filesize

      828KB

    • memory/4976-15-0x0000000013140000-0x000000001320F000-memory.dmp

      Filesize

      828KB