Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-12-2024 03:40

General

  • Target

    df7d2429d776feca3a3ad616d956446e94498339c09f9751f1c50a80c9cd80ba.exe

  • Size

    576KB

  • MD5

    649266098254b2bb9ff310ec049f6fed

  • SHA1

    ceea2478fe0677e7da1f4551309dce57e745f8a1

  • SHA256

    df7d2429d776feca3a3ad616d956446e94498339c09f9751f1c50a80c9cd80ba

  • SHA512

    f1dffb8a81be32dfc83dd29881d89f5cf33b7f5e300a21b80f30535dccc14b941118d1e30823ea645268346293db67df6b59a0456b0271150653abb67e9b7670

  • SSDEEP

    12288:+NWPkHlUkErBuxQ4uzi6d6dL/yiXLzeMdK6io8levy0FhVlpzkzDDoSP:+NWPkHlUfBgpuPdWzyuDTifgyWlg

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 29 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\df7d2429d776feca3a3ad616d956446e94498339c09f9751f1c50a80c9cd80ba.exe
    "C:\Users\Admin\AppData\Local\Temp\df7d2429d776feca3a3ad616d956446e94498339c09f9751f1c50a80c9cd80ba.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3028
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\hgpor.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1980
      • 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:2780
    • 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:4476
      • 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:2868

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    135B

    MD5

    a5feca573884d76f559b996d45e8ad9a

    SHA1

    0e81a993f3af4e31d60653dc2513186f0495f1c8

    SHA256

    c98e20d46d6465febb5d29cfab51241521ea5d6cd621f5e18b9b7d6fbfac3f0f

    SHA512

    a9239648b5f15eac4d4151b6e1bdc81065eeaeb101404c2a0126f03bc87f1e6a57206bfa07a44379e9d3bba889e4497a9991ff41fb109099b01512df3dc3cbda

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

    Filesize

    576KB

    MD5

    010ee5fd6b73992ea7142b734cf3b403

    SHA1

    69878ea91c0697aa2b1027aeb26cf6fd11ef3cd7

    SHA256

    28704a77b92f26ee1c4c0803345c08378182494600c55fc7e28332dd606581c0

    SHA512

    f674d9cdb4828a489734d3951a3c723eaff1af88744be555f55a833a129b818f215db14abf4a6f693782f2cc9af37fb065e4eb403d2317edde9c382a37404a20

  • memory/2868-53-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2868-59-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2868-32-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2868-35-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2868-36-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2868-44-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2868-40-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2868-41-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2868-42-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2868-43-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2868-46-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2868-45-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2868-61-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2868-60-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2868-52-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2868-49-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2868-50-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2868-51-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2868-48-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2868-47-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2868-54-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2868-55-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2868-56-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2868-57-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2868-58-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/3028-0-0x0000000000400000-0x00000000007C8000-memory.dmp

    Filesize

    3.8MB

  • memory/3028-29-0x0000000000400000-0x00000000007C8000-memory.dmp

    Filesize

    3.8MB

  • memory/4476-38-0x0000000000400000-0x00000000007C8000-memory.dmp

    Filesize

    3.8MB