Analysis

  • max time kernel
    194s
  • max time network
    277s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-02-2024 09:24

General

  • Target

    9785e072ecc643a10511ccf47e721bf8.tnef

  • Size

    2.1MB

  • MD5

    9785e072ecc643a10511ccf47e721bf8

  • SHA1

    29c03e2d0825ba9ab3824b50efb654c45a8acbc3

  • SHA256

    c8b7dd6544ae927c180b119ca9201f61957d4111322c7ff551f64402f907d3ea

  • SHA512

    11d08eebed2f580604af4ad1c726182065b8dedd20754a46444b614c1b57e846a9c53e657b4bb647055a55711f9bd03ae2bd17f07a484fe508ded8d8ee55fae1

  • SSDEEP

    49152:HRQ1uIw91wprx7azpPCnBAJRXf3OKREQQr:k41wprx7azpPCnyJRP3NQr

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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 25 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\9785e072ecc643a10511ccf47e721bf8.tnef
    1⤵
    • Modifies registry class
    PID:4436
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4828
    • C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\9785e072ecc643a10511ccf47e721bf8.tnef
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:4716

Network

MITRE ATT&CK Enterprise v15

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Downloads