Analysis

  • max time kernel
    151s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/10/2022, 14:20

General

  • Target

    a6d76883d5738a91a8e9c9d6761bc378abccebc864eaf0ec986905add29b8aa1.exe

  • Size

    1.0MB

  • MD5

    90be4a2dc439e31bc2d16fd67ccdba15

  • SHA1

    77f63baa6a331828f2a056d71b1f8719e91e0e15

  • SHA256

    a6d76883d5738a91a8e9c9d6761bc378abccebc864eaf0ec986905add29b8aa1

  • SHA512

    5bd6c6431402552f5fe854379feb9168777a3b48c352747d5e3b30acf0d7998be597295158d9845e43b730ee612e4ddc4e6d99b0cdfa5eb122e28992ea2b296c

  • SSDEEP

    24576:dZ8kT+HGGZYVi5svzlWs18WCf0EAAPb8YljYcHHMf8/:T8s+g4W71KAyIsYosf8

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.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Windows directory 4 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
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a6d76883d5738a91a8e9c9d6761bc378abccebc864eaf0ec986905add29b8aa1.exe
    "C:\Users\Admin\AppData\Local\Temp\a6d76883d5738a91a8e9c9d6761bc378abccebc864eaf0ec986905add29b8aa1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2548
    • C:\Users\Admin\AppData\Local\Temp\a6d76883d5738a91a8e9c9d6761bc378abccebc864eaf0ec986905add29b8aa1.exe
      C:\Users\Admin\AppData\Local\Temp\a6d76883d5738a91a8e9c9d6761bc378abccebc864eaf0ec986905add29b8aa1.exe
      2⤵
      • Modifies WinLogon for persistence
      • Checks BIOS information in registry
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Drops file in Windows directory
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3800
      • C:\Windows\SysWOW64\notepad.exe
        notepad
        3⤵
        • Adds Run key to start application
        • Drops file in Windows directory
        PID:2844
      • C:\Windows\SysWOW64\explorer.exe
        "C:\Windows\SysWOW64\explorer.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3988
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Checks BIOS information in registry
          • Checks processor information in registry
          • Enumerates system info in registry
          • Suspicious use of AdjustPrivilegeToken
          PID:224

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/224-153-0x0000000013140000-0x00000000131F6000-memory.dmp

          Filesize

          728KB

        • memory/224-152-0x0000000013140000-0x00000000131F6000-memory.dmp

          Filesize

          728KB

        • memory/224-150-0x0000000013140000-0x00000000131F6000-memory.dmp

          Filesize

          728KB

        • memory/3800-135-0x0000000013140000-0x00000000131F6000-memory.dmp

          Filesize

          728KB

        • memory/3800-136-0x0000000013140000-0x00000000131F6000-memory.dmp

          Filesize

          728KB

        • memory/3800-137-0x0000000013140000-0x00000000131F6000-memory.dmp

          Filesize

          728KB

        • memory/3800-142-0x0000000013140000-0x00000000131F6000-memory.dmp

          Filesize

          728KB

        • memory/3988-140-0x0000000000400000-0x0000000000509000-memory.dmp

          Filesize

          1.0MB

        • memory/3988-151-0x0000000000400000-0x0000000000509000-memory.dmp

          Filesize

          1.0MB

        • memory/3988-146-0x0000000000400000-0x0000000000509000-memory.dmp

          Filesize

          1.0MB

        • memory/3988-143-0x0000000000400000-0x0000000000509000-memory.dmp

          Filesize

          1.0MB