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Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    05/11/2024, 01:04

General

  • Target

    096ef0a7d06f08738b38369ebbfe928e318a489ec3966c16443e85943d8d7035N.exe

  • Size

    3.9MB

  • MD5

    dc2cb40dc4d9683db4305a8a560d6400

  • SHA1

    6521f5fcb647781512eb53dee8be9f37e354b53c

  • SHA256

    096ef0a7d06f08738b38369ebbfe928e318a489ec3966c16443e85943d8d7035

  • SHA512

    cf9654d56df81663b26b6b5912b13894be429b8e59b81d25f0f9ef3463a3bb20c715e631fce984eff6478ee52344ed62a12990dae87193ecc1dacd47d1970cfc

  • SSDEEP

    98304:alX3KMj7yBNUVPhd5G0Z5DxdM3hZpmBAlB6D4tyX6kuT4IkQApCgvms0Cv05J5CV:alX3KMj7yBNUVPhd5G0Z5DxdM3hZpmBV

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 3 IoCs
  • Loads dropped DLL 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 23 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 6 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 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\096ef0a7d06f08738b38369ebbfe928e318a489ec3966c16443e85943d8d7035N.exe
    "C:\Users\Admin\AppData\Local\Temp\096ef0a7d06f08738b38369ebbfe928e318a489ec3966c16443e85943d8d7035N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2224
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\NlMwk.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2784
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Mcrosoftt" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Soundcrd.exe" /f
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:2936
    • C:\Users\Admin\AppData\Roaming\Soundcrd.exe
      "C:\Users\Admin\AppData\Roaming\Soundcrd.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:2660
      • C:\Users\Admin\AppData\Roaming\Soundcrd.exe
        C:\Users\Admin\AppData\Roaming\Soundcrd.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
        PID:2628
      • C:\Users\Admin\AppData\Roaming\Soundcrd.exe
        C:\Users\Admin\AppData\Roaming\Soundcrd.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2704

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    139B

    MD5

    173bcce4810d4901872d0ef4f0bfea4e

    SHA1

    561b03fdfe68b6419fddf57f32e1aab9a6126a2f

    SHA256

    10ea37eceabbe80fe9814280b66b957636951dbeeed18a9b4d50a1d24a6f1d1d

    SHA512

    2401e0a5e3f7bf590a0767449da2249d09717e8c1cb71a7475e81d9615580001cfc38705cd1a5b4edc33f7df043bf195e28e4a5442a32bc879dffc6473bd545e

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

    Filesize

    3.9MB

    MD5

    f05d272bae9f5a70e46a6e4b64b84acc

    SHA1

    d049a39b75f346a7ca0732d6921478bf2b03a7c1

    SHA256

    35ba5eba10f5cd114433a20231d4fc4807a41c2e6ec9a13359ddeb8c245a283a

    SHA512

    b2071a9b3625cca009247febb3dcf24aab5e77f5b696e4160ac706166abe0934325648f8a03ca4d8fcbf393639d26351d7df89424ed6f5017a2503b7f4e1b059

  • memory/2224-48-0x0000000003AF0000-0x0000000003EDC000-memory.dmp

    Filesize

    3.9MB

  • memory/2224-2-0x0000000000400000-0x00000000007EC000-memory.dmp

    Filesize

    3.9MB

  • memory/2224-47-0x0000000003AF0000-0x0000000003EDC000-memory.dmp

    Filesize

    3.9MB

  • memory/2224-49-0x0000000000400000-0x00000000007EC000-memory.dmp

    Filesize

    3.9MB

  • memory/2628-68-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2628-65-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2628-62-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2628-89-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2628-85-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2628-63-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2628-81-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2628-70-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2628-64-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2628-56-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2628-77-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2628-50-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2628-72-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2628-69-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2660-52-0x0000000000400000-0x00000000007EC000-memory.dmp

    Filesize

    3.9MB

  • memory/2660-60-0x0000000000400000-0x00000000007EC000-memory.dmp

    Filesize

    3.9MB

  • memory/2660-61-0x0000000002BB0000-0x0000000002F9C000-memory.dmp

    Filesize

    3.9MB

  • memory/2704-71-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2704-59-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2704-54-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2704-58-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB