Analysis

  • max time kernel
    153s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 17:20

General

  • Target

    e921e8f4ff4306a3e67493b831c46591a4b4e16fe3b305d8d53bfbb1572d78c6.exe

  • Size

    88KB

  • MD5

    445f590129ab3578a25406e13bf59676

  • SHA1

    b31b91185600c836b00fa11e5a9917d330b28fb8

  • SHA256

    e921e8f4ff4306a3e67493b831c46591a4b4e16fe3b305d8d53bfbb1572d78c6

  • SHA512

    0678760652a5fdd6797138997ae5bace62dc2776679685de163d906fd908d7ccf29f339ad6d0653f2fb2f70734637da19e5dbeebe2529aa374b44679a23e9dac

  • SSDEEP

    1536:tKKs7bYXLLXH0qKPY/jLVTB7GhbO5dnT0LmXub31WLSDYYtw/s:3eE3XHdKQXFNx5omXub3QLKtw

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 29 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Drops autorun.inf file 1 TTPs 1 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e921e8f4ff4306a3e67493b831c46591a4b4e16fe3b305d8d53bfbb1572d78c6.exe
    "C:\Users\Admin\AppData\Local\Temp\e921e8f4ff4306a3e67493b831c46591a4b4e16fe3b305d8d53bfbb1572d78c6.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1812
    • C:\Users\Admin\AppData\Local\Temp\e921e8f4ff4306a3e67493b831c46591a4b4e16fe3b305d8d53bfbb1572d78c6.exe
      74
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Checks computer location settings
      • Adds Run key to start application
      • Maps connected drives based on registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3444
      • C:\Users\Admin\lqhuel.exe
        "C:\Users\Admin\lqhuel.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4996
        • C:\Users\Admin\lqhuel.exe
          74
          4⤵
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Adds Run key to start application
          • Maps connected drives based on registry
          • Drops autorun.inf file
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          PID:384

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\lqhuel.exe

    Filesize

    88KB

    MD5

    445f590129ab3578a25406e13bf59676

    SHA1

    b31b91185600c836b00fa11e5a9917d330b28fb8

    SHA256

    e921e8f4ff4306a3e67493b831c46591a4b4e16fe3b305d8d53bfbb1572d78c6

    SHA512

    0678760652a5fdd6797138997ae5bace62dc2776679685de163d906fd908d7ccf29f339ad6d0653f2fb2f70734637da19e5dbeebe2529aa374b44679a23e9dac

  • C:\Users\Admin\lqhuel.exe

    Filesize

    88KB

    MD5

    445f590129ab3578a25406e13bf59676

    SHA1

    b31b91185600c836b00fa11e5a9917d330b28fb8

    SHA256

    e921e8f4ff4306a3e67493b831c46591a4b4e16fe3b305d8d53bfbb1572d78c6

    SHA512

    0678760652a5fdd6797138997ae5bace62dc2776679685de163d906fd908d7ccf29f339ad6d0653f2fb2f70734637da19e5dbeebe2529aa374b44679a23e9dac

  • C:\Users\Admin\lqhuel.exe

    Filesize

    88KB

    MD5

    445f590129ab3578a25406e13bf59676

    SHA1

    b31b91185600c836b00fa11e5a9917d330b28fb8

    SHA256

    e921e8f4ff4306a3e67493b831c46591a4b4e16fe3b305d8d53bfbb1572d78c6

    SHA512

    0678760652a5fdd6797138997ae5bace62dc2776679685de163d906fd908d7ccf29f339ad6d0653f2fb2f70734637da19e5dbeebe2529aa374b44679a23e9dac

  • memory/384-146-0x0000000000000000-mapping.dmp

  • memory/384-153-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/384-155-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/3444-134-0x0000000000000000-mapping.dmp

  • memory/3444-135-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/3444-137-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/3444-140-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/3444-154-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/4996-141-0x0000000000000000-mapping.dmp