Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/11/2022, 03:16

General

  • Target

    c5db4327da168984a996051c5d284b54125e6ab0ab69861bbe043dd464c7c151.exe

  • Size

    184KB

  • MD5

    74b0f1663f35eb5c417b7fb00c653049

  • SHA1

    f746f95c43ea5f28e4c72da68567eb4acede998c

  • SHA256

    c5db4327da168984a996051c5d284b54125e6ab0ab69861bbe043dd464c7c151

  • SHA512

    87d177d3c8ed1ad60bb504e04ead7a6f3efeb240130eb64dccad4867f7c10c6850db2e2e432e3e3372df81d5a31e899433921ff8ea043072f2388755ee43dc6d

  • SSDEEP

    3072:w11cfl/BTyzcM+Knvmb7/D263i4qMbBQhAK/WOD2r1oX1/hcNcfAUane4RzsUZSO:4ClpTFzKnvmb7/D26y4qMSyKuOD2r1om

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 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 55 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 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c5db4327da168984a996051c5d284b54125e6ab0ab69861bbe043dd464c7c151.exe
    "C:\Users\Admin\AppData\Local\Temp\c5db4327da168984a996051c5d284b54125e6ab0ab69861bbe043dd464c7c151.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4900
    • C:\Users\Admin\ycxues.exe
      "C:\Users\Admin\ycxues.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1452

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\ycxues.exe

    Filesize

    184KB

    MD5

    08b083733487beae60b9d6f0b2030ad5

    SHA1

    2bc0db6300de1d97ceccb5fd3942341d2de09fa2

    SHA256

    c3f8907a4bfb0ce7d51987d4ce8fabae5c2483828ebd47830e7fe206139f0214

    SHA512

    e4622701fba3d9f42cc0a25e81c0101aea88c04a18ba9401df737452f3cd6abd34595a2791ff3faa379419f2c3dbbffa843e06fd41ef89cdd0534781d478a0a7

  • C:\Users\Admin\ycxues.exe

    Filesize

    184KB

    MD5

    08b083733487beae60b9d6f0b2030ad5

    SHA1

    2bc0db6300de1d97ceccb5fd3942341d2de09fa2

    SHA256

    c3f8907a4bfb0ce7d51987d4ce8fabae5c2483828ebd47830e7fe206139f0214

    SHA512

    e4622701fba3d9f42cc0a25e81c0101aea88c04a18ba9401df737452f3cd6abd34595a2791ff3faa379419f2c3dbbffa843e06fd41ef89cdd0534781d478a0a7