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Analysis

  • max time kernel
    172s
  • max time network
    178s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/10/2022, 05:23

General

  • Target

    c32654d3558e01b1785f603b706ea1fc3c07e0965a9b5c22a4e7a0761e4bff4c.exe

  • Size

    124KB

  • MD5

    48dda9ece40fc1cd4f836329fbe44b1f

  • SHA1

    7b7a5b1cbe117806cc9784e7fd93b55d3dbe0c77

  • SHA256

    c32654d3558e01b1785f603b706ea1fc3c07e0965a9b5c22a4e7a0761e4bff4c

  • SHA512

    3c054c8e3d644267968dfeccf91fc54cf2b897a35950a6a5ab0740338bc61035e46b26cc03263f0cc31680bf24b1293449e02f5f84f5dd338c71b8b579273616

  • SSDEEP

    1536:yHQK12C+WZSu+FOYqUWmatkSJrpVJzMqGN/5sfqDaiwq6H10q:ycCbZSukOY8hrJFVNM/N/5sfqDfwqpq

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\c32654d3558e01b1785f603b706ea1fc3c07e0965a9b5c22a4e7a0761e4bff4c.exe
    "C:\Users\Admin\AppData\Local\Temp\c32654d3558e01b1785f603b706ea1fc3c07e0965a9b5c22a4e7a0761e4bff4c.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:4344
    • C:\Users\Admin\wiuruuq.exe
      "C:\Users\Admin\wiuruuq.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:2180

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\wiuruuq.exe

    Filesize

    124KB

    MD5

    d1ea58445fa37248b99d2d016bbef1f7

    SHA1

    ee5c4a22b9e67b00fd99bcc6391edde4266a70ca

    SHA256

    6892369ecc97b85d5bde9d54c0b057ff690749a3e43e52db065d713db43cce6d

    SHA512

    5eed5f26115c78c24a67fad89a7e1c75e430036c28a9599c7cb001b43e38f3019ed574721e9d55d442f89132c312912957fdd12a7b8abb79fdc5caa350dcecfc

  • C:\Users\Admin\wiuruuq.exe

    Filesize

    124KB

    MD5

    d1ea58445fa37248b99d2d016bbef1f7

    SHA1

    ee5c4a22b9e67b00fd99bcc6391edde4266a70ca

    SHA256

    6892369ecc97b85d5bde9d54c0b057ff690749a3e43e52db065d713db43cce6d

    SHA512

    5eed5f26115c78c24a67fad89a7e1c75e430036c28a9599c7cb001b43e38f3019ed574721e9d55d442f89132c312912957fdd12a7b8abb79fdc5caa350dcecfc