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Analysis

  • max time kernel
    152s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2022, 20:48

General

  • Target

    89a982b999859a72ecc3b20acd6a3f1b0913c0cd857ef1cd9354cacdba1131e2.exe

  • Size

    84KB

  • MD5

    673232581d1f3b0a9f837972c9755192

  • SHA1

    4715958013d89c50b6fc4387ed847bf36eb90eea

  • SHA256

    89a982b999859a72ecc3b20acd6a3f1b0913c0cd857ef1cd9354cacdba1131e2

  • SHA512

    201d1afbe4e6589880e1d1375efc8505cacd0e32c5bc0f3e8effee899bdf37b499e3386cb027982372da38eeb5a59dd2192be36e1084d48411a2b64a97a87eb7

  • SSDEEP

    1536:vQ8y57bg4htUVGLG/wXJYeUj27dTGHq13i6E:4UVeG/wXJY527Y

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\89a982b999859a72ecc3b20acd6a3f1b0913c0cd857ef1cd9354cacdba1131e2.exe
    "C:\Users\Admin\AppData\Local\Temp\89a982b999859a72ecc3b20acd6a3f1b0913c0cd857ef1cd9354cacdba1131e2.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:1684
    • C:\Users\Admin\weuzo.exe
      "C:\Users\Admin\weuzo.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:4996

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\weuzo.exe

    Filesize

    84KB

    MD5

    5dd1dac78656ea7c927296af8a52f24b

    SHA1

    b5bd0fe12090a772381a02613225b43845de69af

    SHA256

    7009327058075380d58235753e78cfae976ca48d9cc8a09face5ea9166794158

    SHA512

    6180bcd475868e0c7b7ec28b9640422c3117029a78443eb4d7830b4cf10f3dec20ca25e19d4a2d8e21e124139d7df54988aeba7525c39586a310f0bc0420fdd3

  • C:\Users\Admin\weuzo.exe

    Filesize

    84KB

    MD5

    5dd1dac78656ea7c927296af8a52f24b

    SHA1

    b5bd0fe12090a772381a02613225b43845de69af

    SHA256

    7009327058075380d58235753e78cfae976ca48d9cc8a09face5ea9166794158

    SHA512

    6180bcd475868e0c7b7ec28b9640422c3117029a78443eb4d7830b4cf10f3dec20ca25e19d4a2d8e21e124139d7df54988aeba7525c39586a310f0bc0420fdd3