Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/10/2024, 02:35

General

  • Target

    71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe

  • Size

    900KB

  • MD5

    71f53dcd12ea8bcfb67a8f6b9051ca6a

  • SHA1

    61eaa05adbe3ea7b3f83c04de61626922373f056

  • SHA256

    ca6adeaaa00617e173a3865d0922f176bc57f2edc753b4a4a4213c6dc6e6b99d

  • SHA512

    e75566379a81663396bc0133dd3c4cd7c615a62a308246acd8b17030638e0525bd6c13aac351965a937e7c67a905c8c17ad04746da0dffb98372071183a08b90

  • SSDEEP

    24576:MsViHnFtmkAzo3AXK3E6IXQPttSTJ5p9fOIVEERP60Bu5q6QY:TktAzxqhWMIXp9fOBv0Bunr

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.

  • 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 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 4 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.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • 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
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2612
    • C:\Users\Admin\AppData\Local\Temp\71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Checks BIOS information in registry
      • Checks computer location settings
      • Adds Run key to start application
      • Drops file in Windows directory
      • 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:2440
      • C:\Windows\Windupdt\winupdate.exe
        "C:\Windows\Windupdt\winupdate.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:1028
        • C:\Windows\Windupdt\winupdate.exe
          "C:\Windows\Windupdt\winupdate.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 use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1800
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_dcsc_.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1772
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.1 -n 2
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:2484

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\_dcsc_.bat

    Filesize

    119B

    MD5

    2f22063aaa2ae8de665c7a1fc6f19f0a

    SHA1

    f5ed196b2a8771d1b9cbda2cc55f201b45fc26bc

    SHA256

    c15e040c2a12b9b88920d8f4ff3982c942b9907749c72961c93cf1c801db82ec

    SHA512

    56dc72969770578cad2224dacd9b278cca238b26124b150ec475ef50d6b7fb5ba71b52083fe7949312e29ef5757edac2acc796f2bc564bc1077f4b91e4cbbaf8

  • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-940901362-3608833189-1915618603-1000\02fc8fb78d4f7516019d9a99eaf6a46d_f2cdb6fb-4ab8-4547-9f25-fad1f7a44351

    Filesize

    50B

    MD5

    0d07aceef41f39fddc179b4cee5a6143

    SHA1

    8dc81dd6d1f4a8d2cd06a374ed2504aa087761b8

    SHA256

    ae030038639228088c0ffd198200efad2f7f69f2ff909414ad2dbb6331d9a265

    SHA512

    0fcb788f2122ee8101dfbbbffc55960a1df4e4b3054c0803ac0b2dc244fd28018951c874700c6d5d7a7433d301c860d44db1a24761b0c53b68e18df0c81caade

  • C:\Windows\Windupdt\winupdate.exe

    Filesize

    900KB

    MD5

    71f53dcd12ea8bcfb67a8f6b9051ca6a

    SHA1

    61eaa05adbe3ea7b3f83c04de61626922373f056

    SHA256

    ca6adeaaa00617e173a3865d0922f176bc57f2edc753b4a4a4213c6dc6e6b99d

    SHA512

    e75566379a81663396bc0133dd3c4cd7c615a62a308246acd8b17030638e0525bd6c13aac351965a937e7c67a905c8c17ad04746da0dffb98372071183a08b90

  • memory/1800-95-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1800-90-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1800-103-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1800-102-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1800-101-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1800-100-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1800-81-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1800-83-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1800-99-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1800-82-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1800-79-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1800-85-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1800-88-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1800-86-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1800-98-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1800-94-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1800-96-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1800-91-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1800-92-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1800-93-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1800-89-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1800-97-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1800-87-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/2440-3-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/2440-8-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/2440-4-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/2440-76-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/2440-5-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/2440-6-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/2440-7-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB