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Analysis

  • max time kernel
    151s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/10/2022, 19:45

General

  • Target

    910c52371469211f376db92728867bfb579aa48ed96cf2d99550a65c4b901f9e.exe

  • Size

    256KB

  • MD5

    a1aecc7703dedddda49785aaf2742087

  • SHA1

    04c005cbe169590f044f0c487dd79648561ad2d8

  • SHA256

    910c52371469211f376db92728867bfb579aa48ed96cf2d99550a65c4b901f9e

  • SHA512

    ac54cc7cac23d1e3e828de8a172dfa0e853566f31a712300bab967ee18572ec8098f90290bbc09904eb625e6cc90e63a33e521dbda6431ff01b8ab664e8afb8f

  • SSDEEP

    1536:feYa43xj1WKsWHbrDFdRhUbZrQBXz9V/haD8j7MktNGoFoCfNRrXe4W4X1yD91nd:JJ2rQNTIYkZ

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 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 53 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\910c52371469211f376db92728867bfb579aa48ed96cf2d99550a65c4b901f9e.exe
    "C:\Users\Admin\AppData\Local\Temp\910c52371469211f376db92728867bfb579aa48ed96cf2d99550a65c4b901f9e.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2776
    • C:\Users\Admin\vaoaga.exe
      "C:\Users\Admin\vaoaga.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
      • Suspicious use of WriteProcessMemory
      PID:368

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\vaoaga.exe

    Filesize

    256KB

    MD5

    1bc237f4dda205f9613f7ba775932614

    SHA1

    fa0fda786e76dffef901d55e93851ca290a51abc

    SHA256

    84c913d79b462e6cc58ec6db99ed8f450820a97e1ae056b8c258ea23dffdc97c

    SHA512

    bb19697a446692eb78b79b34750a7e2d1e04a10b9070c63db3a66f33bcace96a6badf92e2745dcbecbd42c7ec0207f1402105a8ecfd49597b901ff1c8234d669

  • C:\Users\Admin\vaoaga.exe

    Filesize

    256KB

    MD5

    1bc237f4dda205f9613f7ba775932614

    SHA1

    fa0fda786e76dffef901d55e93851ca290a51abc

    SHA256

    84c913d79b462e6cc58ec6db99ed8f450820a97e1ae056b8c258ea23dffdc97c

    SHA512

    bb19697a446692eb78b79b34750a7e2d1e04a10b9070c63db3a66f33bcace96a6badf92e2745dcbecbd42c7ec0207f1402105a8ecfd49597b901ff1c8234d669