Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-12-2024 13:20

General

  • Target

    c0e10b0240fcc358a594abddc89b12fcdea0227836ea186d7f6c365b4dcc6fb6.exe

  • Size

    3.8MB

  • MD5

    95ddbf456ececcc425b90b851583cd94

  • SHA1

    6fed6b7141284a594d59fc9d933cc9f0b4757e5f

  • SHA256

    c0e10b0240fcc358a594abddc89b12fcdea0227836ea186d7f6c365b4dcc6fb6

  • SHA512

    fa64bd31f6911484856c0a91628861629203b9fab03e84bdc4039482c9b946fc1447f40620ca72ef37bb1234dfacf21d925dbb8895684912551090f4a9667703

  • SSDEEP

    98304:vJwakG4fYrq1HJvpliCQHawbzBbGSlaUEI96kdQDanpqHrO3ndI3/lL/v7zVwwXF:vJwakG4fYrq1HJvpliCQHawbzBbGSla7

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 21 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\c0e10b0240fcc358a594abddc89b12fcdea0227836ea186d7f6c365b4dcc6fb6.exe
    "C:\Users\Admin\AppData\Local\Temp\c0e10b0240fcc358a594abddc89b12fcdea0227836ea186d7f6c365b4dcc6fb6.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4504
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\QPKJE.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3672
      • 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:3064
    • 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:3264
      • 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:2280

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    135B

    MD5

    a5feca573884d76f559b996d45e8ad9a

    SHA1

    0e81a993f3af4e31d60653dc2513186f0495f1c8

    SHA256

    c98e20d46d6465febb5d29cfab51241521ea5d6cd621f5e18b9b7d6fbfac3f0f

    SHA512

    a9239648b5f15eac4d4151b6e1bdc81065eeaeb101404c2a0126f03bc87f1e6a57206bfa07a44379e9d3bba889e4497a9991ff41fb109099b01512df3dc3cbda

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

    Filesize

    3.8MB

    MD5

    8f6d6b14ab3df2e884916956a74fca62

    SHA1

    cde713b7ea4a324c8a1bf7ebfde0666c68a44977

    SHA256

    cc6ff2537e8f3205a9d03a6ebaa65c46f60168aa4a657d66bb50405885d34a54

    SHA512

    f442b45a39ba8efad9c08b98de617ecf8d7043e8c445a515bc3f571ee8b48e74ea7e7d51112ff64855b4e3a2160fd3b8f4914114f4d080d75b52ac04df3e8328

  • memory/2280-44-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2280-42-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2280-33-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2280-57-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2280-31-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2280-36-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2280-37-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2280-39-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2280-43-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2280-55-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2280-41-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2280-40-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2280-38-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2280-53-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2280-47-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2280-49-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2280-51-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/3264-35-0x0000000000400000-0x00000000007C9000-memory.dmp

    Filesize

    3.8MB

  • memory/4504-0-0x0000000000400000-0x00000000007C9000-memory.dmp

    Filesize

    3.8MB

  • memory/4504-30-0x0000000000400000-0x00000000007C9000-memory.dmp

    Filesize

    3.8MB