Analysis

  • max time kernel
    144s
  • max time network
    146s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    11-01-2023 17:10

General

  • Target

    disallowedcert.stl

  • Size

    5KB

  • MD5

    b1b258f645f1942199c34bdef900295f

  • SHA1

    887d0c98297ed40cab73cdf8a858a55ae71f67ca

  • SHA256

    54bf97ec19075163b6f11b32783364a50f8c73fe7f04f1c9eed75e9866bf020d

  • SHA512

    8d69aa9aed497d80d3b0691199e1535430875805976837f4f022f6a0874f6ceea4100193e24b044227bece25a7b11ef340701486d2efd16b6cb3de02352ba4fe

  • SSDEEP

    96:vnxsSPd1si1Y50uP/hEDEaYDcvgWYfk1yKvDD0BDEdf6PYjISm2gry7f/DENVNnk:vG2LV00GhjeyKcq6vSDf+vnk

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\disallowedcert.stl
    1⤵
    • Modifies registry class
    PID:4936
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4968

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

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Downloads