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Analysis

  • max time kernel
    171s
  • max time network
    188s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/12/2022, 03:23

General

  • Target

    b46198dc20027d23ca3aeef857eff2cc59c3e3202c422d68cecc431f3003a42d.exe

  • Size

    208KB

  • MD5

    4a913c8aa0df7e39c6822b48d26e6e10

  • SHA1

    16ecc1a3dfd9830270c069ccd3e230208e678f23

  • SHA256

    b46198dc20027d23ca3aeef857eff2cc59c3e3202c422d68cecc431f3003a42d

  • SHA512

    3b8b4afbd15de133cf1c8473a15bb6da46d851c2fd304e3b5db149ecff1f844089f49e3d5d882ae0384c119b08038fe9071d919426e9bbb3e41afd5a5d2e5efc

  • SSDEEP

    3072:oFtCD3EAkPRCSk3YRNCgmm/r4o+1EqCzfA1WmdH83qZ0oREdxuDwZe/rPXUv9Ut2:QtiCRCm/r4JOmN83GuuuSXUWGx

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 29 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\b46198dc20027d23ca3aeef857eff2cc59c3e3202c422d68cecc431f3003a42d.exe
    "C:\Users\Admin\AppData\Local\Temp\b46198dc20027d23ca3aeef857eff2cc59c3e3202c422d68cecc431f3003a42d.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:4940
    • C:\Users\Admin\doiivub.exe
      "C:\Users\Admin\doiivub.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:4952

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\doiivub.exe

    Filesize

    208KB

    MD5

    ece36a2ea3075678f32322a555d66493

    SHA1

    fe163a48a3d2b60aec076d63acf31ffb53b10387

    SHA256

    0e5ce42c885f552554b5419108649ae74d8775290ea675a0559ac85376e62215

    SHA512

    7139a1620e7899a549e719d8befc2600775dd399675aafcd0656b6336823f78a8f00ec09467d4e679268801e3f9823931a64c620cef2f421d9b64be967c84732

  • C:\Users\Admin\doiivub.exe

    Filesize

    208KB

    MD5

    ece36a2ea3075678f32322a555d66493

    SHA1

    fe163a48a3d2b60aec076d63acf31ffb53b10387

    SHA256

    0e5ce42c885f552554b5419108649ae74d8775290ea675a0559ac85376e62215

    SHA512

    7139a1620e7899a549e719d8befc2600775dd399675aafcd0656b6336823f78a8f00ec09467d4e679268801e3f9823931a64c620cef2f421d9b64be967c84732