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Analysis

  • max time kernel
    151s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2022, 03:06

General

  • Target

    81e25cbec1be07bb69b70545a7b95afa4db090b7edddaf2fc8320b050d6659a8.exe

  • Size

    2.5MB

  • MD5

    e03b309460f197de3b267757b8f7340b

  • SHA1

    194b75c7a80315db3a7d41b2f9c31d53bfb5b774

  • SHA256

    81e25cbec1be07bb69b70545a7b95afa4db090b7edddaf2fc8320b050d6659a8

  • SHA512

    7aadba5a701bea1057d7545e8e0557a806e09c2a92932ded1acc72630c4c82b2c63b61d45c6269771926730729dc5d11c9e378d55e5efd2a94109235c43762f7

  • SSDEEP

    49152:EGM4GOrnHwDQSkRfYNjX5+nCi1a67GV+d4L28hUZzqmZxPHvLm48fXW:RDGnkRWN+Ci067DeL2iUZz9ZdvyjfXW

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 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\81e25cbec1be07bb69b70545a7b95afa4db090b7edddaf2fc8320b050d6659a8.exe
    "C:\Users\Admin\AppData\Local\Temp\81e25cbec1be07bb69b70545a7b95afa4db090b7edddaf2fc8320b050d6659a8.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1456
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1456 -s 1288
      2⤵
      • Program crash
      PID:5084
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1456 -s 1288
      2⤵
      • Program crash
      PID:4932
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1456 -ip 1456
    1⤵
      PID:3564

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\1127231943373\LZMA.dll

      Filesize

      67KB

      MD5

      d0f2416807f04c559e6394a0a4c7f1d1

      SHA1

      7df43ffa3716156d282b1e37d12dd1122f0a762c

      SHA256

      0fe6a869cf220769a058f8d281f272ef72669e3587673e52b53f3f9650dcf1fc

      SHA512

      8199c967ad813216f2ef3094a7614c9ccc95d35a817fc685cb7823f36cc97f0279bddd0ec0bb8f07ee2445476aaea35548516841ee9cde53a8be395515457799