General

  • Target

    final.exe

  • Size

    30.0MB

  • Sample

    250121-jn2fcstnay

  • MD5

    9d0aa242f82278c0ae03f3147f1b4df5

  • SHA1

    831acb2ab63116025a939e31c5ce64a231ed0d2d

  • SHA256

    661608e34ee0c28e0e4454065d1f0c697ed278d524cc0c448cba1bb41066be69

  • SHA512

    4a343c2ecd999f06fe00c0be5af92f4bcf1dd8b3d0cc86b6e0659233193ec5693e482ef9b8e9b7c6dd6a3fe3a8bef2cef7aaff9d157a1a573455c5a143b75448

  • SSDEEP

    786432:Uwnf49Yidhz2W8A1YEA8o1QtIYa8DZcUTOl8f6GdO+OPHmEakjN06tcDI4:UwA9JaWfuskiIp61HU+iHhakJ06tB

Malware Config

Targets

    • Target

      final.exe

    • Size

      30.0MB

    • MD5

      9d0aa242f82278c0ae03f3147f1b4df5

    • SHA1

      831acb2ab63116025a939e31c5ce64a231ed0d2d

    • SHA256

      661608e34ee0c28e0e4454065d1f0c697ed278d524cc0c448cba1bb41066be69

    • SHA512

      4a343c2ecd999f06fe00c0be5af92f4bcf1dd8b3d0cc86b6e0659233193ec5693e482ef9b8e9b7c6dd6a3fe3a8bef2cef7aaff9d157a1a573455c5a143b75448

    • SSDEEP

      786432:Uwnf49Yidhz2W8A1YEA8o1QtIYa8DZcUTOl8f6GdO+OPHmEakjN06tcDI4:UwA9JaWfuskiIp61HU+iHhakJ06tB

    • Modifies Windows Defender Real-time Protection settings

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Disables cmd.exe use via registry modification

    • Drops file in Drivers directory

    • Possible privilege escalation attempt

    • Drops startup file

    • Executes dropped EXE

    • Impair Defenses: Safe Mode Boot

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Enumerates processes with tasklist

    • Hide Artifacts: Hidden Files and Directories

MITRE ATT&CK Enterprise v15

Tasks