Analysis

  • max time kernel
    112s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/07/2024, 20:22

General

  • Target

    044fa6e07fadc7d4e79cc9c41fd9b600N.exe

  • Size

    574KB

  • MD5

    044fa6e07fadc7d4e79cc9c41fd9b600

  • SHA1

    8a813c15a18cf8849cf0d13547563e828bf950e0

  • SHA256

    6809006974702617a89679c25d543ff8dae52a9fec117133a3f5899ce966d91b

  • SHA512

    68700c9403e8d919643548fe68cd8c08f4d44e6aa491bc0a3c1540df81a0ff71d57f7f6a7d0c8305c0a992683e85b83cd7dad491949a74b55bf25e71026fff66

  • SSDEEP

    12288:zCyEHAWAdljmJqkC3xMX85FSR2f9A08NIX+Vjwd4G/3z1ET4m3Hdsubd:zFhWAfn22m0eD1GPz8HdxR

Malware Config

Signatures

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • 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 3 IoCs
  • UPX packed file 20 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 25 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\044fa6e07fadc7d4e79cc9c41fd9b600N.exe
    "C:\Users\Admin\AppData\Local\Temp\044fa6e07fadc7d4e79cc9c41fd9b600N.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2764
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\uxhgp.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3948
      • 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
        PID:2552
    • C:\Users\Admin\AppData\Roaming\Soundcrd.exe
      "C:\Users\Admin\AppData\Roaming\Soundcrd.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:348
      • C:\Users\Admin\AppData\Roaming\Soundcrd.exe
        C:\Users\Admin\AppData\Roaming\Soundcrd.exe
        3⤵
        • Checks BIOS information in registry
        • Executes dropped EXE
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of AdjustPrivilegeToken
        PID:224
      • C:\Users\Admin\AppData\Roaming\Soundcrd.exe
        C:\Users\Admin\AppData\Roaming\Soundcrd.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3252

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    139B

    MD5

    173bcce4810d4901872d0ef4f0bfea4e

    SHA1

    561b03fdfe68b6419fddf57f32e1aab9a6126a2f

    SHA256

    10ea37eceabbe80fe9814280b66b957636951dbeeed18a9b4d50a1d24a6f1d1d

    SHA512

    2401e0a5e3f7bf590a0767449da2249d09717e8c1cb71a7475e81d9615580001cfc38705cd1a5b4edc33f7df043bf195e28e4a5442a32bc879dffc6473bd545e

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

    Filesize

    574KB

    MD5

    f7d37e8b8346929983eb89ab637ab931

    SHA1

    6c315b49443047f49d54a587788bd961fb6bd19c

    SHA256

    52b44bb721db755b21d70b776c9041d8f1f00d282f9cac1817d92da0da4ecb29

    SHA512

    3aa18fc732d46fd505d217349ec400144704831eaac87ae062a37749465c733be31e9d474e9ad4bc401734e5f30cc5e55a5ec3a6a07c5508cb867709f23bf0da

  • memory/224-54-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/224-40-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/224-75-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/224-33-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/224-36-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/224-37-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/224-53-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/224-71-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/224-50-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/224-49-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/224-67-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/224-63-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/224-59-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/224-55-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/224-52-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/348-30-0x0000000000400000-0x00000000007EA000-memory.dmp

    Filesize

    3.9MB

  • memory/348-51-0x0000000000400000-0x00000000007EA000-memory.dmp

    Filesize

    3.9MB

  • memory/2764-0-0x0000000000400000-0x00000000007EA000-memory.dmp

    Filesize

    3.9MB

  • memory/2764-29-0x0000000000400000-0x00000000007EA000-memory.dmp

    Filesize

    3.9MB

  • memory/3252-44-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3252-45-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3252-48-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3252-56-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3252-38-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB