General

  • Target

    2a6ce305bf0bc2b51a889bd577d4046e5e81857d85d1876f5fbd81512cad8aac

  • Size

    1.5MB

  • Sample

    220305-tk8elsacfk

  • MD5

    7b5d977cef12c94558a3ef7dcc44396b

  • SHA1

    c00a63341b6516680b31d0b6673c8e52dcc99c8d

  • SHA256

    2a6ce305bf0bc2b51a889bd577d4046e5e81857d85d1876f5fbd81512cad8aac

  • SHA512

    6a62813ca7c0c53a917b8e345505978e23c17bf8fadea512bb9b13d78ccde8ccb81e92d5dce14ab40941d0fecec95946b57314ab5541f732ac8d532b6e60b691

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://myexternalip.com/raw

Targets

    • Target

      2a6ce305bf0bc2b51a889bd577d4046e5e81857d85d1876f5fbd81512cad8aac

    • Size

      1.5MB

    • MD5

      7b5d977cef12c94558a3ef7dcc44396b

    • SHA1

      c00a63341b6516680b31d0b6673c8e52dcc99c8d

    • SHA256

      2a6ce305bf0bc2b51a889bd577d4046e5e81857d85d1876f5fbd81512cad8aac

    • SHA512

      6a62813ca7c0c53a917b8e345505978e23c17bf8fadea512bb9b13d78ccde8ccb81e92d5dce14ab40941d0fecec95946b57314ab5541f732ac8d532b6e60b691

    • Matrix Ransomware

      Targeted ransomware with information collection and encryption functionality.

    • suricata: ET MALWARE MSIL/Matrix Ransomware CnC Activity

      suricata: ET MALWARE MSIL/Matrix Ransomware CnC Activity

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Blocklisted process makes network request

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Sets service image path in registry

    • UPX packed file

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

    • Checks computer location settings

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

    • 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)

    • 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.

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v6

Tasks