Analysis

  • max time kernel
    163s
  • max time network
    174s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/10/2022, 13:29

General

  • Target

    52184e448e67a013b0acd018065b06cd24fdc3055584f1d4b3d299a9d06e7108.exe

  • Size

    667KB

  • MD5

    a25be5a7a41f1c97f23a1d15baffd4f5

  • SHA1

    22dd9031e1b38ff132760b7c867ee50be809d313

  • SHA256

    52184e448e67a013b0acd018065b06cd24fdc3055584f1d4b3d299a9d06e7108

  • SHA512

    37a95dcdb9957c92c95f99f8687673f47ac4c0ed4c9d2a51b37451368869c57730a239c3ec4c0e94d37a6c216ebbd43966603f28028550edb629884b56bae48b

  • SSDEEP

    12288:DpwABK90BOe/x9lPAYvxPQVjdsAY2XjWlnlpTMMXG91uhKIXn/W:FwAcu99lPzvxP+Bsz2XjWTRMQckkIXn

Malware Config

Signatures

  • Darkcomet

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

  • Modifies WinLogon for persistence 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 3 IoCs
  • Drops file in System32 directory 3 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
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\52184e448e67a013b0acd018065b06cd24fdc3055584f1d4b3d299a9d06e7108.exe
    "C:\Users\Admin\AppData\Local\Temp\52184e448e67a013b0acd018065b06cd24fdc3055584f1d4b3d299a9d06e7108.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks BIOS information in registry
    • Adds Run key to start application
    • Drops file in System32 directory
    • Suspicious use of SetThreadContext
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2512
    • C:\Windows\SysWOW64\explorer.exe
      "C:\Windows\SysWOW64\explorer.exe"
      2⤵
      • Windows security bypass
      • Checks BIOS information in registry
      • Adds Run key to start application
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4348
    • C:\Windows\SysWOW64\ping.exe
      ping 127.0.0.1 -n 5 > NUL del "C:\Users\Admin\AppData\Local\Temp\52184e448e67a013b0acd018065b06cd24fdc3055584f1d4b3d299a9d06e7108.exe"
      2⤵
      • Runs ping.exe
      PID:5092

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/4348-133-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

        • memory/4348-136-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

        • memory/4348-134-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

        • memory/4348-137-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

        • memory/4348-138-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB