General

  • Target

    43e5f4b7207951d79124b27d02deac8e1d9dfdcd1b0ceceee9f62867a8ee5238

  • Size

    1.2MB

  • Sample

    201008-dhts2j64ks

  • MD5

    2455a10f2236cbe8cf77e5f9209fe4a2

  • SHA1

    8c82e1a680aa0b64ca34935137cf337f941de4b7

  • SHA256

    43e5f4b7207951d79124b27d02deac8e1d9dfdcd1b0ceceee9f62867a8ee5238

  • SHA512

    68955976d02d02d85b94417b0d92e0afc69bec3ce3ab8f6858a3153154e5bfde450f3ba2054a0540d2d47c6c38eebbed15a7f082644f4d68babd114fa7efa3ec

Malware Config

Extracted

Language
ps1
Source
URLs
ps1.dropper

http://myexternalip.com/raw

Targets

    • Target

      43e5f4b7207951d79124b27d02deac8e1d9dfdcd1b0ceceee9f62867a8ee5238

    • Size

      1.2MB

    • MD5

      2455a10f2236cbe8cf77e5f9209fe4a2

    • SHA1

      8c82e1a680aa0b64ca34935137cf337f941de4b7

    • SHA256

      43e5f4b7207951d79124b27d02deac8e1d9dfdcd1b0ceceee9f62867a8ee5238

    • SHA512

      68955976d02d02d85b94417b0d92e0afc69bec3ce3ab8f6858a3153154e5bfde450f3ba2054a0540d2d47c6c38eebbed15a7f082644f4d68babd114fa7efa3ec

    • Matrix Ransomware

      Targeted ransomware with information collection and encryption functionality.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Blacklisted process makes network request

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Sets service image path in registry

    • UPX packed file

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

    • Loads dropped DLL

    • Modifies file permissions

    • Enumerates connected drives

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

    • 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

    • Modifies service

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v6

Tasks