Analysis

  • max time kernel
    145s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/08/2022, 19:51

General

  • Target
    xeM62YNBjskQ.exe
  • Size 465KB
  • Sample220810-yktcxaeccn
  • SHA256 ac06e4313da14b514dad4f7d250c99a43ff07fc1966cd98f824d741880164af8
  • MD5 SHA1 SHA512
Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\xeM62YNBjskQ.exe
    "C:\Users\Admin\AppData\Local\Temp\xeM62YNBjskQ.exe"
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4308
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\whqwujwmifullaglj.vbs"
      2⤵
        PID:1792

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          whqwujwmifullaglj.vbs

          • Path C:\Users\Admin\AppData\Local\Temp\whqwujwmifullaglj.vbs
          • Size 520B
          • SHA256 e4d673d6e7b2a3f7722c92d39e86c6c0eca1bdd517f1c53a7d00725ed72471de
          • MD5 SHA1 SHA512