Analysis

  • max time kernel
    149s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 8 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
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 48 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:2352
    • 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
      • Loads dropped DLL
      • 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
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2368
      • C:\Windows\Windupdt\winupdate.exe
        "C:\Windows\Windupdt\winupdate.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2500
        • C:\Windows\Windupdt\winupdate.exe
          "C:\Windows\Windupdt\winupdate.exe"
          4⤵
          • Checks BIOS information in registry
          • Executes dropped EXE
          • Loads dropped DLL
          • 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:2688
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\_dcsc_.bat" "
        3⤵
        • Deletes itself
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3064
        • 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:2684

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-1-5-21-3063565911-2056067323-3330884624-1000\02fc8fb78d4f7516019d9a99eaf6a46d_de87a6d6-9d44-4942-9ec6-2be31b435411

    Filesize

    50B

    MD5

    0d07aceef41f39fddc179b4cee5a6143

    SHA1

    8dc81dd6d1f4a8d2cd06a374ed2504aa087761b8

    SHA256

    ae030038639228088c0ffd198200efad2f7f69f2ff909414ad2dbb6331d9a265

    SHA512

    0fcb788f2122ee8101dfbbbffc55960a1df4e4b3054c0803ac0b2dc244fd28018951c874700c6d5d7a7433d301c860d44db1a24761b0c53b68e18df0c81caade

  • \Windows\Windupdt\winupdate.exe

    Filesize

    900KB

    MD5

    71f53dcd12ea8bcfb67a8f6b9051ca6a

    SHA1

    61eaa05adbe3ea7b3f83c04de61626922373f056

    SHA256

    ca6adeaaa00617e173a3865d0922f176bc57f2edc753b4a4a4213c6dc6e6b99d

    SHA512

    e75566379a81663396bc0133dd3c4cd7c615a62a308246acd8b17030638e0525bd6c13aac351965a937e7c67a905c8c17ad04746da0dffb98372071183a08b90

  • memory/2368-6-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/2368-7-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/2368-8-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/2368-5-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/2368-3-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/2368-34-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/2368-4-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/2500-36-0x00000000004A0000-0x00000000004FF000-memory.dmp

    Filesize

    380KB

  • memory/2500-19-0x0000000000020000-0x000000000002F000-memory.dmp

    Filesize

    60KB

  • memory/2500-27-0x00000000001C0000-0x00000000001D2000-memory.dmp

    Filesize

    72KB

  • memory/2688-48-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/2688-56-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/2688-49-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/2688-51-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/2688-50-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/2688-52-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/2688-53-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/2688-54-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/2688-55-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/2688-43-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/2688-57-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/2688-58-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/2688-59-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/2688-60-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/2688-61-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/2688-62-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/2688-63-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/2688-64-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/2688-65-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/2688-66-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB