Analysis

  • max time kernel
    150s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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.

  • 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 31 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\df7d2429d776feca3a3ad616d956446e94498339c09f9751f1c50a80c9cd80ba.exe
    "C:\Users\Admin\AppData\Local\Temp\df7d2429d776feca3a3ad616d956446e94498339c09f9751f1c50a80c9cd80ba.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2528
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\XfDSo.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2140
      • 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:2316
    • 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:2748
      • 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:2740

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    135B

    MD5

    a5feca573884d76f559b996d45e8ad9a

    SHA1

    0e81a993f3af4e31d60653dc2513186f0495f1c8

    SHA256

    c98e20d46d6465febb5d29cfab51241521ea5d6cd621f5e18b9b7d6fbfac3f0f

    SHA512

    a9239648b5f15eac4d4151b6e1bdc81065eeaeb101404c2a0126f03bc87f1e6a57206bfa07a44379e9d3bba889e4497a9991ff41fb109099b01512df3dc3cbda

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

    Filesize

    576KB

    MD5

    88b2b11ab3aa1dce2ed7e474a11d7fd4

    SHA1

    608b9e37f4018a2e979af13cf97da701419424d5

    SHA256

    582c1e939fb183bb2dde1212e0e9d6cb0702ef721d47af733c8a2e804827fb42

    SHA512

    97e2ed6901cfe3940a7984d28f01a125451eaede18f867afbfdd11ce8c30949b4aaeaaa5cc1b926b29ec3a71b330870e686558365a374a0b3741e346510e69f1

  • memory/2528-0-0x0000000000400000-0x00000000007C8000-memory.dmp

    Filesize

    3.8MB

  • memory/2528-46-0x0000000000400000-0x00000000007C8000-memory.dmp

    Filesize

    3.8MB

  • memory/2528-43-0x0000000003A80000-0x0000000003E48000-memory.dmp

    Filesize

    3.8MB

  • memory/2528-42-0x0000000003A80000-0x0000000003E48000-memory.dmp

    Filesize

    3.8MB

  • memory/2740-62-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2740-66-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2740-57-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2740-55-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2740-52-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2740-58-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2740-60-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2740-59-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2740-61-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2740-63-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2740-80-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2740-64-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2740-65-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2740-79-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2740-67-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2740-68-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2740-69-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2740-70-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2740-71-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2740-72-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2740-73-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2740-74-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2740-75-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2740-76-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2740-77-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2740-78-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2748-56-0x0000000000400000-0x00000000007C8000-memory.dmp

    Filesize

    3.8MB

  • memory/2748-47-0x0000000000400000-0x00000000007C8000-memory.dmp

    Filesize

    3.8MB