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Analysis

  • max time kernel
    137s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2022, 05:56

General

  • Target

    41b86cf7ff2aab30c86d65a33231287a8ba49e528c9bef395bc57229655faddb.exe

  • Size

    1.0MB

  • MD5

    65839392a5e23701ea4b076f89be4d0f

  • SHA1

    480dc5b54c6778d8b62238c443675a82669b18d1

  • SHA256

    41b86cf7ff2aab30c86d65a33231287a8ba49e528c9bef395bc57229655faddb

  • SHA512

    66f0d608dbd5d02a87ba3bb2fe9e11fd0baab123fa74e916560da8a8993eb1d7d4a1a4dc60b45233fe85ae267adea1232c6f1f6a2f00d1f318bd38bd7252cebb

  • SSDEEP

    24576:OpY6Sppq4BgOrnHr8DnmBSkFISfYNrNjTLSd:EGM4GOrnHwDQSkRfYNjXk

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\41b86cf7ff2aab30c86d65a33231287a8ba49e528c9bef395bc57229655faddb.exe
    "C:\Users\Admin\AppData\Local\Temp\41b86cf7ff2aab30c86d65a33231287a8ba49e528c9bef395bc57229655faddb.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    PID:3648
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3648 -s 1272
      2⤵
      • Program crash
      PID:4980
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3648 -ip 3648
    1⤵
      PID:2232

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\11282121525\LZMA.dll

      Filesize

      67KB

      MD5

      d0f2416807f04c559e6394a0a4c7f1d1

      SHA1

      7df43ffa3716156d282b1e37d12dd1122f0a762c

      SHA256

      0fe6a869cf220769a058f8d281f272ef72669e3587673e52b53f3f9650dcf1fc

      SHA512

      8199c967ad813216f2ef3094a7614c9ccc95d35a817fc685cb7823f36cc97f0279bddd0ec0bb8f07ee2445476aaea35548516841ee9cde53a8be395515457799