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Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/11/2024, 04:46

General

  • Target

    df56f0c9d0007f5125d92cfd481e21760d41eb10a92009ce1ab6d5da01140687.exe

  • Size

    576KB

  • MD5

    6385129ecaf875fa5b4a1d0b2a4a4a34

  • SHA1

    bc93685b3334d8a007344e7e330dd6550322febd

  • SHA256

    df56f0c9d0007f5125d92cfd481e21760d41eb10a92009ce1ab6d5da01140687

  • SHA512

    dab9ffd159b7413630302ae050d5a50b4340075a1d34e005d86373a42b60e09c2ba63197e8d4c1d824b8ccad2a29b41b72e3c30e337918aa0c2fe610f4e609f3

  • SSDEEP

    12288:+NWPkHlUkErBuxQ4uzi6d6dL/yiXLzeMdK6io8levy0FhVlpzkzDDoS5:+NWPkHlUfBgpuPdWzyuDTifgyWlw

Malware Config

Signatures

  • Darkcomet

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

  • Darkcomet family
  • Checks BIOS information in registry 2 TTPs 1 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 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 32 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 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 4 IoCs

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

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\df56f0c9d0007f5125d92cfd481e21760d41eb10a92009ce1ab6d5da01140687.exe
    "C:\Users\Admin\AppData\Local\Temp\df56f0c9d0007f5125d92cfd481e21760d41eb10a92009ce1ab6d5da01140687.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4580
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\XVQPK.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2196
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Mcrosoft" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\mcsft.exe" /f
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:4876
    • C:\Users\Admin\AppData\Roaming\mcsft.exe
      "C:\Users\Admin\AppData\Roaming\mcsft.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3616
      • C:\Users\Admin\AppData\Roaming\mcsft.exe
        C:\Users\Admin\AppData\Roaming\mcsft.exe
        3⤵
        • Checks BIOS information in registry
        • Executes dropped EXE
        • 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:3984

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\XVQPK.txt

    Filesize

    135B

    MD5

    a5feca573884d76f559b996d45e8ad9a

    SHA1

    0e81a993f3af4e31d60653dc2513186f0495f1c8

    SHA256

    c98e20d46d6465febb5d29cfab51241521ea5d6cd621f5e18b9b7d6fbfac3f0f

    SHA512

    a9239648b5f15eac4d4151b6e1bdc81065eeaeb101404c2a0126f03bc87f1e6a57206bfa07a44379e9d3bba889e4497a9991ff41fb109099b01512df3dc3cbda

  • C:\Users\Admin\AppData\Roaming\mcsft.txt

    Filesize

    576KB

    MD5

    fbcac9098a9a46fa677bf68202c7ad8f

    SHA1

    7fc2bdb90a2f5bf18157331ece3d689cdb332460

    SHA256

    f8bdfb9890067557f02529e3799467c7ede4e1944a725c8ac363f01dc3453028

    SHA512

    5929d367636aaabef12aebba27be1db642134c8ec5d8c9f88df8b1f579055b2c5237f62c0a18e05217751a96f24d10f5586aa8eee019b1f9a19720c3959ba378

  • memory/3616-30-0x0000000000400000-0x00000000007C8000-memory.dmp

    Filesize

    3.8MB

  • memory/3616-38-0x0000000000400000-0x00000000007C8000-memory.dmp

    Filesize

    3.8MB

  • memory/3984-46-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/3984-49-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/3984-36-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/3984-62-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/3984-33-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/3984-40-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/3984-39-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/3984-41-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/3984-45-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/3984-43-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/3984-44-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/3984-42-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/3984-61-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/3984-47-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/3984-48-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/3984-35-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/3984-50-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/3984-51-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/3984-52-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/3984-53-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/3984-54-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/3984-55-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/3984-56-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/3984-57-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/3984-58-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/3984-59-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/3984-60-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4580-0-0x0000000000400000-0x00000000007C8000-memory.dmp

    Filesize

    3.8MB

  • memory/4580-29-0x0000000000400000-0x00000000007C8000-memory.dmp

    Filesize

    3.8MB