Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    23-12-2024 03:43

General

  • Target

    d9c99d8f9fb1e88db8da1bb29acb88e2c9a944b1aa1b068930aa46060f7c305d.exe

  • Size

    3.8MB

  • MD5

    1b0941e492d84e91ea8cbef6903da5a1

  • SHA1

    56ef6fd3b1b40b1facb4e0c618d055a1d7cd1fc0

  • SHA256

    d9c99d8f9fb1e88db8da1bb29acb88e2c9a944b1aa1b068930aa46060f7c305d

  • SHA512

    4698ce8c0d0003fa8ff3a9dbb6a83dea1331a78f613bac2c713720c582a1f8c0ebb84089048dbbd82d52e356cfd73ee8e09f67b415dd20e445465aa144434332

  • SSDEEP

    98304:3i4hTLOMtHDMlANqnfVGPyhcMYg4lSiSLCQrdGLcjFjj/eWKS5h7EleIljztU/qJ:3i4hTLOMtHDMlANqnfVGPyhcMYg4lSiP

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.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 30 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 23 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d9c99d8f9fb1e88db8da1bb29acb88e2c9a944b1aa1b068930aa46060f7c305d.exe
    "C:\Users\Admin\AppData\Local\Temp\d9c99d8f9fb1e88db8da1bb29acb88e2c9a944b1aa1b068930aa46060f7c305d.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2172
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\hJZgE.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2396
      • 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:2880
    • C:\Users\Admin\AppData\Roaming\mcsft.exe
      "C:\Users\Admin\AppData\Roaming\mcsft.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2736
      • 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:2728

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\hJZgE.bat

    Filesize

    135B

    MD5

    a5feca573884d76f559b996d45e8ad9a

    SHA1

    0e81a993f3af4e31d60653dc2513186f0495f1c8

    SHA256

    c98e20d46d6465febb5d29cfab51241521ea5d6cd621f5e18b9b7d6fbfac3f0f

    SHA512

    a9239648b5f15eac4d4151b6e1bdc81065eeaeb101404c2a0126f03bc87f1e6a57206bfa07a44379e9d3bba889e4497a9991ff41fb109099b01512df3dc3cbda

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

    Filesize

    3.8MB

    MD5

    872400563b6ccf057d4b815402967522

    SHA1

    98566c5f3a88cd8addb1c810063d829a67a8c3ad

    SHA256

    041b6b3818d6deca5620f24085664f3b4f06cce83c80cfe10379fd9e146963a3

    SHA512

    87769e884799e1c95d06863a8e8c5f47892109c097ab5792660cddb5ef17fccf41c2f24e38e9493d5beb623d127cb526246b97a9b6ccd027d96ab66ca9fd7d8d

  • memory/2172-1-0x0000000000400000-0x00000000007C9000-memory.dmp

    Filesize

    3.8MB

  • memory/2172-42-0x0000000003A10000-0x0000000003DD9000-memory.dmp

    Filesize

    3.8MB

  • memory/2172-45-0x0000000003A10000-0x0000000003DD9000-memory.dmp

    Filesize

    3.8MB

  • memory/2172-44-0x0000000003A10000-0x0000000003DD9000-memory.dmp

    Filesize

    3.8MB

  • memory/2172-43-0x0000000003A10000-0x0000000003DD9000-memory.dmp

    Filesize

    3.8MB

  • memory/2172-47-0x0000000000400000-0x00000000007C9000-memory.dmp

    Filesize

    3.8MB

  • memory/2728-62-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2728-66-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2728-80-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2728-56-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2728-53-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2728-58-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2728-60-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2728-59-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2728-61-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2728-64-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2728-79-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2728-63-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2728-65-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2728-55-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2728-67-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2728-68-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2728-69-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2728-70-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2728-71-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2728-72-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2728-73-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2728-74-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2728-75-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2728-76-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2728-77-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2728-78-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2736-52-0x0000000002A30000-0x0000000002DF9000-memory.dmp

    Filesize

    3.8MB

  • memory/2736-57-0x0000000000400000-0x00000000007C9000-memory.dmp

    Filesize

    3.8MB