Analysis

  • max time kernel
    90s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-10-2022 14:46

General

  • Target

    challenge-files/challenge-files/license.dat

  • Size

    333KB

  • MD5

    3c6263a9c4117c78d26fc4380af014f2

  • SHA1

    eca410dd57af16227220e08067c1895c258eb92b

  • SHA256

    29d2a8344bd725d7a8b43cc77a82b3db57a5226ce792ac4b37e7f73ec468510e

  • SHA512

    0969cde0d327b9f4b2be708437aea2a1d7a9ba9482125e143ce25c6a2f07e8ee1fa9b23e12f4e88157305f59209e2a8b3a2b2e7eb143b114e3f0c95ba57a2e1a

  • SSDEEP

    6144:zsBoiLlIorxTbp4o8x4It25elAQpB/lP3O21uZoXq8ZTipooUDFkPt8gi976D+se:YKIIMxTbp4otQAQpdl221U89ipTc4CRd

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\challenge-files\challenge-files\license.dat
    1⤵
    • Modifies registry class
    PID:4488
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:3592

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

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Downloads