Analysis

  • max time kernel
    153s
  • 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
    23/11/2022, 20:55

General

  • Target

    425cadc8fcf70f4059966a449ac4e4e0ba8089526056611f6277f7f541403faf.exe

  • Size

    112KB

  • MD5

    1570b43e0fa58df33f131a7a31e1d98f

  • SHA1

    901bae9f0ae0f1af725ade6f50eede6e3c5e3422

  • SHA256

    425cadc8fcf70f4059966a449ac4e4e0ba8089526056611f6277f7f541403faf

  • SHA512

    37a3216694e682d2c4e3d3d72553ecd1a8a3285f633c12aeb4ea5a03d58e9e329f21e6bbbd56632d603ad2be07c770fa9134887d8f0e3379320225139709704e

  • SSDEEP

    3072:7ysIkT5lJlfkX9kXWqgkXAkXAkXAkXtkX8kXQkXhkXIkX/kXdkX+kXmkXJkXMkXH:7ysIkrkX9kXWqgkXAkXAkXAkXtkX8kXl

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\425cadc8fcf70f4059966a449ac4e4e0ba8089526056611f6277f7f541403faf.exe
    "C:\Users\Admin\AppData\Local\Temp\425cadc8fcf70f4059966a449ac4e4e0ba8089526056611f6277f7f541403faf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1972
    • C:\Users\Admin\seowoo.exe
      "C:\Users\Admin\seowoo.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1876

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\seowoo.exe

    Filesize

    112KB

    MD5

    bbfee9c874a64307f1fc5e0022a582d1

    SHA1

    f3b64b00ebe9157d0b1f4cd366adecf6e9bf9318

    SHA256

    36d945ec458e6c0f856a64f0e5d85bebf5f87653d3bc77787573c14e5d93a360

    SHA512

    36decbcfb44c6ef5e7cfe0c48db299c5436c126aedce567d9f04304762570153a1f1bd3d4b4f954000ea3898cd8cd0781a0b97eb061befa62982abbfa5c1aa05

  • C:\Users\Admin\seowoo.exe

    Filesize

    112KB

    MD5

    bbfee9c874a64307f1fc5e0022a582d1

    SHA1

    f3b64b00ebe9157d0b1f4cd366adecf6e9bf9318

    SHA256

    36d945ec458e6c0f856a64f0e5d85bebf5f87653d3bc77787573c14e5d93a360

    SHA512

    36decbcfb44c6ef5e7cfe0c48db299c5436c126aedce567d9f04304762570153a1f1bd3d4b4f954000ea3898cd8cd0781a0b97eb061befa62982abbfa5c1aa05