General

  • Target

    final.exe

  • Size

    30.0MB

  • Sample

    250120-zn6m3syler

  • MD5

    0145b10c895dd69f3c00c178da2a8118

  • SHA1

    0d82fdcb4cb190f4b633507e347cc1db5b10bef3

  • SHA256

    f58c0d7ef79776b808048128c0a543b06b1f4b31710a223e419b5733cfd98428

  • SHA512

    74987e6f260b7b62aebbc93b8f08827aedef4c79336cc438088e5ca76d25fa3ae4b7fae52d831b1dfaeaeca671b3ba0e876b6b418eb6e757bcdc090c398fbac3

  • SSDEEP

    786432:f9Yidhz2W8A1YEA8o1QtIYa8DZcUTOl8fhGdO+IPHmEakNN06tcDID:f9JaWfuskiIp61H5+0Hhakn06tB

Malware Config

Targets

    • Target

      final.exe

    • Size

      30.0MB

    • MD5

      0145b10c895dd69f3c00c178da2a8118

    • SHA1

      0d82fdcb4cb190f4b633507e347cc1db5b10bef3

    • SHA256

      f58c0d7ef79776b808048128c0a543b06b1f4b31710a223e419b5733cfd98428

    • SHA512

      74987e6f260b7b62aebbc93b8f08827aedef4c79336cc438088e5ca76d25fa3ae4b7fae52d831b1dfaeaeca671b3ba0e876b6b418eb6e757bcdc090c398fbac3

    • SSDEEP

      786432:f9Yidhz2W8A1YEA8o1QtIYa8DZcUTOl8fhGdO+IPHmEakNN06tcDID:f9JaWfuskiIp61H5+0Hhakn06tB

    • Modifies Windows Defender Real-time Protection settings

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • 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