General

  • Target

    koha.bat

  • Size

    6.0MB

  • Sample

    241229-vd2txsvldt

  • MD5

    8bfb9e937938cf7f0ce71819e221f8ec

  • SHA1

    9634cbe183191cb4a95f37c6c02914f1435f519e

  • SHA256

    dba42ed9e61cf74b0f6905d8a5f47be0de1ca30bf93472ac8600eec5242b3d7f

  • SHA512

    8f3b60a3f47b27c482b2159e7ad6042d90ada0b8d90061f5025071dc13f61ea3bb218f891b6bc1dc54246addcef9444645a77f8f82313ff83f3f4927bb193509

  • SSDEEP

    98304:0zEtdFByLzO0amaHl3Ne4i3gmtfXJOLhx9fZAzDJ4wzQgsRuGK4RNOnAKWWAJ7L:0qFELa1eN/FJMIDJf0gsAGK4RInAKWb/

Malware Config

Targets

    • Target

      koha.bat

    • Size

      6.0MB

    • MD5

      8bfb9e937938cf7f0ce71819e221f8ec

    • SHA1

      9634cbe183191cb4a95f37c6c02914f1435f519e

    • SHA256

      dba42ed9e61cf74b0f6905d8a5f47be0de1ca30bf93472ac8600eec5242b3d7f

    • SHA512

      8f3b60a3f47b27c482b2159e7ad6042d90ada0b8d90061f5025071dc13f61ea3bb218f891b6bc1dc54246addcef9444645a77f8f82313ff83f3f4927bb193509

    • SSDEEP

      98304:0zEtdFByLzO0amaHl3Ne4i3gmtfXJOLhx9fZAzDJ4wzQgsRuGK4RNOnAKWWAJ7L:0qFELa1eN/FJMIDJf0gsAGK4RInAKWb/

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Drops file in Drivers directory

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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.

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • Enumerates processes with tasklist

    • Hide Artifacts: Hidden Files and Directories

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks