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
    27-10-2024 22:09

General

  • Target

    762e8f3bf3113565a7ec96de39af992a_JaffaCakes118.exe

  • Size

    860KB

  • MD5

    762e8f3bf3113565a7ec96de39af992a

  • SHA1

    d98ce0d7a6a00bc644cc6b569d0d91afddaeb712

  • SHA256

    5cfa9b53a920b440eb8dddd70a59cc00e7ec41072741468471844bc9a7c48294

  • SHA512

    2acc8e51a72af35b5da5bb02467768191d50b9a7d45c8146d239af9a2529ec73dd62c55496a242b681d408a25bd831787672bc47586e716f841a0aab3c58475d

  • SSDEEP

    24576:HYDE7Xaq7Ma2MD8YtQnt9RBxG6tip76U9Gi:HYDYaSGMYp93xW76YG

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
  • Disables RegEdit via registry modification 2 IoCs
  • Checks BIOS information in registry 2 TTPs 3 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 2 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 8 IoCs

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

  • Checks processor information in registry 2 TTPs 12 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\762e8f3bf3113565a7ec96de39af992a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\762e8f3bf3113565a7ec96de39af992a_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1052
    • C:\Users\Admin\AppData\Local\Temp\762e8f3bf3113565a7ec96de39af992a_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\762e8f3bf3113565a7ec96de39af992a_JaffaCakes118.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Checks BIOS information in registry
      • Checks computer location settings
      • Adds Run key to start application
      • 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:4724
      • C:\Windows\SysWOW64\notepad.exe
        notepad
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:1332
      • C:\Windows\SysWOW64\explorer.exe
        "C:\Windows\SysWOW64\explorer.exe"
        3⤵
          PID:400
        • C:\Users\Admin\AppData\Roaming\Microsoft\svhost.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\svhost.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:212
          • C:\Users\Admin\AppData\Roaming\Microsoft\svhost.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\svhost.exe"
            4⤵
            • Disables RegEdit via registry modification
            • Checks BIOS information in registry
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • 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:1524
            • C:\Windows\SysWOW64\explorer.exe
              "C:\Windows\SysWOW64\explorer.exe"
              5⤵
              • Suspicious use of SetThreadContext
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:4652
              • C:\Windows\SysWOW64\explorer.exe
                "C:\Windows\SysWOW64\explorer.exe"
                6⤵
                • Disables RegEdit via registry modification
                • Checks BIOS information in registry
                • System Location Discovery: System Language Discovery
                • Checks processor information in registry
                • Enumerates system info in registry
                • Suspicious behavior: GetForegroundWindowSpam
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of SetWindowsHookEx
                PID:2808
                • C:\Windows\SysWOW64\notepad.exe
                  C:\Windows\SysWOW64\notepad.exe
                  7⤵
                  • System Location Discovery: System Language Discovery
                  PID:2072

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\svhost.exe

      Filesize

      860KB

      MD5

      762e8f3bf3113565a7ec96de39af992a

      SHA1

      d98ce0d7a6a00bc644cc6b569d0d91afddaeb712

      SHA256

      5cfa9b53a920b440eb8dddd70a59cc00e7ec41072741468471844bc9a7c48294

      SHA512

      2acc8e51a72af35b5da5bb02467768191d50b9a7d45c8146d239af9a2529ec73dd62c55496a242b681d408a25bd831787672bc47586e716f841a0aab3c58475d

    • memory/1332-6-0x0000000000EF0000-0x0000000000EF1000-memory.dmp

      Filesize

      4KB

    • memory/1524-73-0x0000000013140000-0x000000001320F000-memory.dmp

      Filesize

      828KB

    • memory/1524-77-0x0000000013140000-0x000000001320F000-memory.dmp

      Filesize

      828KB

    • memory/1524-71-0x0000000013140000-0x000000001320F000-memory.dmp

      Filesize

      828KB

    • memory/1524-72-0x0000000013140000-0x000000001320F000-memory.dmp

      Filesize

      828KB

    • memory/2072-82-0x0000000000C00000-0x0000000000C01000-memory.dmp

      Filesize

      4KB

    • memory/2808-81-0x0000000013140000-0x000000001320F000-memory.dmp

      Filesize

      828KB

    • memory/2808-84-0x0000000013140000-0x000000001320F000-memory.dmp

      Filesize

      828KB

    • memory/2808-85-0x0000000013140000-0x000000001320F000-memory.dmp

      Filesize

      828KB

    • memory/2808-83-0x0000000013140000-0x000000001320F000-memory.dmp

      Filesize

      828KB

    • memory/2808-80-0x0000000013140000-0x000000001320F000-memory.dmp

      Filesize

      828KB

    • memory/4652-79-0x0000000000400000-0x00000000004D9000-memory.dmp

      Filesize

      868KB

    • memory/4652-76-0x0000000000400000-0x00000000004D9000-memory.dmp

      Filesize

      868KB

    • memory/4652-75-0x0000000000400000-0x00000000004D9000-memory.dmp

      Filesize

      868KB

    • memory/4652-74-0x0000000000400000-0x00000000004D9000-memory.dmp

      Filesize

      868KB

    • memory/4724-3-0x0000000013140000-0x000000001320F000-memory.dmp

      Filesize

      828KB

    • memory/4724-0-0x0000000013140000-0x000000001320F000-memory.dmp

      Filesize

      828KB

    • memory/4724-67-0x0000000013140000-0x000000001320F000-memory.dmp

      Filesize

      828KB

    • memory/4724-1-0x0000000013140000-0x000000001320F000-memory.dmp

      Filesize

      828KB

    • memory/4724-2-0x0000000013140000-0x000000001320F000-memory.dmp

      Filesize

      828KB

    • memory/4724-4-0x0000000002420000-0x0000000002421000-memory.dmp

      Filesize

      4KB