Analysis

  • max time kernel
    140s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03-01-2025 10:41

General

  • Target

    JaffaCakes118_6c0de5b944735fb6574dcdd8b7d563c0.exe

  • Size

    864KB

  • MD5

    6c0de5b944735fb6574dcdd8b7d563c0

  • SHA1

    c2c1032481f7194cbf3e24933ef6671af38f0c2c

  • SHA256

    46277ff9b64c1e0c101dbfcbcd3b6522c53246cf2b5d87456cebe1f2efb72838

  • SHA512

    f80bfabbcb0dafd0ec94abe4c9deac50ecce54cd4ce341e9ff1072d4a63f4266051d8ce2c818dc5e8558a94e32b0c0321175d19992537d9beb50dc66c4f28b33

  • SSDEEP

    24576:lJzKTyB6LIVewBV5nmEY9OY847pKdLCAN:fz16LIzpmHD84O

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
  • Modifies firewall policy service 3 TTPs 6 IoCs
  • Modifies security service 2 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 4 IoCs
  • Disables RegEdit via registry modification 2 IoCs
  • Disables Task Manager via registry modification
  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 6 IoCs
  • Suspicious use of SetThreadContext 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 17 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 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs net.exe
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 3 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6c0de5b944735fb6574dcdd8b7d563c0.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6c0de5b944735fb6574dcdd8b7d563c0.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2872
    • C:\Windows\SysWOW64\cmd.exe
      /c net stop MpsSvc
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2316
      • C:\Windows\SysWOW64\net.exe
        net stop MpsSvc
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2488
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop MpsSvc
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2332
    • C:\Program Files (x86)\Internet Explorer\iexplore.exe
      "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
      2⤵
      • Modifies firewall policy service
      • Modifies security service
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2328
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6c0de5b944735fb6574dcdd8b7d563c0.exe
      C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6c0de5b944735fb6574dcdd8b7d563c0.exe
      2⤵
      • Modifies WinLogon for persistence
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3044
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6c0de5b944735fb6574dcdd8b7d563c0.exe" +s +h
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2548
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6c0de5b944735fb6574dcdd8b7d563c0.exe" +s +h
          4⤵
          • Sets file to hidden
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:2568
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2188
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
          4⤵
          • Sets file to hidden
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:2516
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k ping 127.0.0.1 -n 4 && del "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6c0de5b944735fb6574dcdd8b7d563c0.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:2988
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.1 -n 4
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:2524
      • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
        "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:2588
        • C:\Windows\SysWOW64\cmd.exe
          /c net stop MpsSvc
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1500
          • C:\Windows\SysWOW64\net.exe
            net stop MpsSvc
            5⤵
            • System Location Discovery: System Language Discovery
            PID:1772
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop MpsSvc
              6⤵
              • System Location Discovery: System Language Discovery
              PID:396
        • C:\Program Files (x86)\Internet Explorer\iexplore.exe
          "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
          4⤵
            PID:584
          • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
            C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
            4⤵
            • Modifies firewall policy service
            • Modifies security service
            • Windows security bypass
            • Disables RegEdit via registry modification
            • Executes dropped EXE
            • Windows security modification
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            • System policy modification
            PID:1268

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • \Users\Admin\AppData\Local\Temp\JaffaCakes118_6c0de5b944735fb6574dcdd8b7d563c0.exe

      Filesize

      864KB

      MD5

      6c0de5b944735fb6574dcdd8b7d563c0

      SHA1

      c2c1032481f7194cbf3e24933ef6671af38f0c2c

      SHA256

      46277ff9b64c1e0c101dbfcbcd3b6522c53246cf2b5d87456cebe1f2efb72838

      SHA512

      f80bfabbcb0dafd0ec94abe4c9deac50ecce54cd4ce341e9ff1072d4a63f4266051d8ce2c818dc5e8558a94e32b0c0321175d19992537d9beb50dc66c4f28b33

    • memory/1268-65-0x0000000000400000-0x00000000004C7000-memory.dmp

      Filesize

      796KB

    • memory/1268-63-0x0000000000400000-0x00000000004C7000-memory.dmp

      Filesize

      796KB

    • memory/1268-64-0x0000000000400000-0x00000000004C7000-memory.dmp

      Filesize

      796KB

    • memory/2328-2-0x0000000000400000-0x00000000004C7000-memory.dmp

      Filesize

      796KB

    • memory/2872-0-0x0000000000370000-0x0000000000374000-memory.dmp

      Filesize

      16KB

    • memory/3044-14-0x0000000000400000-0x00000000004C7000-memory.dmp

      Filesize

      796KB

    • memory/3044-8-0x0000000000400000-0x00000000004C7000-memory.dmp

      Filesize

      796KB

    • memory/3044-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/3044-16-0x0000000000400000-0x00000000004C7000-memory.dmp

      Filesize

      796KB

    • memory/3044-24-0x0000000000400000-0x00000000004C7000-memory.dmp

      Filesize

      796KB

    • memory/3044-10-0x0000000000400000-0x00000000004C7000-memory.dmp

      Filesize

      796KB

    • memory/3044-9-0x0000000000400000-0x00000000004C7000-memory.dmp

      Filesize

      796KB

    • memory/3044-22-0x0000000000400000-0x00000000004C7000-memory.dmp

      Filesize

      796KB

    • memory/3044-6-0x0000000000400000-0x00000000004C7000-memory.dmp

      Filesize

      796KB

    • memory/3044-25-0x0000000000400000-0x00000000004C7000-memory.dmp

      Filesize

      796KB

    • memory/3044-39-0x0000000000400000-0x00000000004C7000-memory.dmp

      Filesize

      796KB

    • memory/3044-23-0x0000000000400000-0x00000000004C7000-memory.dmp

      Filesize

      796KB

    • memory/3044-12-0x0000000000400000-0x00000000004C7000-memory.dmp

      Filesize

      796KB

    • memory/3044-4-0x0000000000400000-0x00000000004C7000-memory.dmp

      Filesize

      796KB