General

  • Target

    https://github.com/Da2dalus/The-MALWARE-Repo

  • Sample

    241118-xt19faxrgq

Malware Config

Targets

    • Target

      https://github.com/Da2dalus/The-MALWARE-Repo

    • Modifies visibility of file extensions in Explorer

    • Troldesh family

    • Troldesh, Shade, Encoder.858

      Troldesh is a ransomware spread by malspam.

    • UAC bypass

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (71) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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.

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks