Resubmissions

25/03/2024, 21:05

240325-zxdnnahe48 3

25/03/2024, 20:59

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25/03/2024, 20:56

240325-zq3dfahd45 3

25/03/2024, 20:51

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25/03/2024, 20:45

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25/03/2024, 20:36

240325-zdscpshb45 3

Analysis

  • max time kernel
    30s
  • max time network
    37s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/03/2024, 20:45

General

  • Target

    Prefetch/CIS.EXE-B8EB3849.pf

  • Size

    27KB

  • MD5

    5bc9ebd7f3ea7ed1cb9af2e10e29fc18

  • SHA1

    604da8f1553a389945db555c942e0c24320fa06b

  • SHA256

    eb4ada1552408830a24c9d6bcbf57cdce2942e8330fbc99c94dc4c7ff7dc9c7a

  • SHA512

    6d28e4073540d54bf3492b1894aa8020659ecbfd78eddd5d5c7e63cab286df4552e28d254c9105e1f64e2d589a4a549983dd9d9d8b65c490c131351f0e7a14e8

  • SSDEEP

    384:C9Z7eHiMO9YGzroE02+r4sfi8BbscwLLz7eZkk3PhZqVx9NpQ5IHhH0CzeEPy5TR:CDwVEqAz70kUZORpNSy5CRH

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 2 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious use of SetWindowsHookEx 17 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\Prefetch\CIS.EXE-B8EB3849.pf
    1⤵
    • Modifies registry class
    PID:1404
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3516
    • C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\Prefetch\CIS.EXE-B8EB3849.pf
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:3124

Network

MITRE ATT&CK Enterprise v15

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Downloads