Analysis

  • max time kernel
    44s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    06-11-2022 15:38

General

  • Target

    76b96f84cc26050662758376eb5a66a6b81e2c8b05b718344bb91c8bb8a24e29.exe

  • Size

    160KB

  • MD5

    0cc9f444897fee45503629b76279f788

  • SHA1

    6e58732d285bc6b962a2da432b6606d99f9d106a

  • SHA256

    76b96f84cc26050662758376eb5a66a6b81e2c8b05b718344bb91c8bb8a24e29

  • SHA512

    46e3721d683df1898c3cdd8332a52a8a3d89cab574bfb0f003fb853d1ece9e9f86928709d14d93404f87e04b9166ca205d12f4eae2d98432ed04989da30204da

  • SSDEEP

    1536:zmWwat4oIuRXqHQu+QwPyohUXWIcoTgCwHhmHKNKqODN5YlS0pw8:znzt4oIuR6Hv+QwPyohUsuCqxqA1Sr

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Modifies system executable filetype association 2 TTPs 14 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 5 IoCs
  • Blocks application from running via registry modification 6 IoCs

    Adds application to list of disallowed applications.

  • Disables RegEdit via registry modification 2 IoCs
  • Disables use of System Restore points 1 TTPs
  • Sets file execution options in registry 2 TTPs 2 IoCs
  • Windows security modification 2 TTPs 6 IoCs
  • Adds Run key to start application 2 TTPs 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Modifies Control Panel 9 IoCs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 16 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • System policy modification 1 TTPs 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\76b96f84cc26050662758376eb5a66a6b81e2c8b05b718344bb91c8bb8a24e29.exe
    "C:\Users\Admin\AppData\Local\Temp\76b96f84cc26050662758376eb5a66a6b81e2c8b05b718344bb91c8bb8a24e29.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Modifies system executable filetype association
    • Modifies visibility of file extensions in Explorer
    • Modifies visiblity of hidden/system files in Explorer
    • Windows security bypass
    • Blocks application from running via registry modification
    • Disables RegEdit via registry modification
    • Sets file execution options in registry
    • Windows security modification
    • Adds Run key to start application
    • Modifies Control Panel
    • Modifies Internet Explorer settings
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:2024
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2024 -s 392
      2⤵
      • Program crash
      PID:644

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/644-57-0x0000000000000000-mapping.dmp

  • memory/2024-56-0x00000000766D1000-0x00000000766D3000-memory.dmp

    Filesize

    8KB

  • memory/2024-58-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB