Analysis

  • max time kernel
    149s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-02-2023 09:59

General

  • Target

    WindowUpdateBlocker/Wub_x64.exe

  • Size

    924KB

  • MD5

    418dff42eea894a227f78935fbd8b059

  • SHA1

    24c587c6f765bbbbe70f0d4c2f3a8654e8667a25

  • SHA256

    bf79bb5da35061353485c7369cc5ecc9cecc79de7543bd71ce73f7192d0f6ec3

  • SHA512

    ce7f3281dae81006edd545442d32cfe4ffa706964a0a8fc6e8c768fa1ca8a6b92a05a052b57849a73a5d6ecc70c1e4be3a858ddaae21f59a351ee226e248468d

  • SSDEEP

    24576:q2DW/xbgX2YIbBQsu3/PNLKQ4HyAvsT7GUcUHJb:q2EUXgQsW/PNWQojUcUpb

Score
10/10

Malware Config

Signatures

  • Modifies security service 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\WindowUpdateBlocker\Wub_x64.exe
    "C:\Users\Admin\AppData\Local\Temp\WindowUpdateBlocker\Wub_x64.exe"
    1⤵
    • Modifies security service
    • Suspicious behavior: GetForegroundWindowSpam
    PID:4792

Network

MITRE ATT&CK Enterprise v6

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Downloads