General

  • Target

    e6b4bd102c3151b6639945d82eb560b00515ce82f64da494b38f29604473507c

  • Size

    3.8MB

  • Sample

    220306-dzgmfabfbm

  • MD5

    6fa2ff1dad01f838e0bb814affccd0c6

  • SHA1

    8c26dfd9d19c3b45cd057f895f80d43326fc986d

  • SHA256

    e6b4bd102c3151b6639945d82eb560b00515ce82f64da494b38f29604473507c

  • SHA512

    de88757ee96943eaec582760b1631befb09ea8b9a5c8c757e24431978e3338ea7dd922e2b3dd1a47e514bb0ea93252171236f817c4d1220794e9472c8c2f24d3

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://myexternalip.com/raw

Targets

    • Target

      e6b4bd102c3151b6639945d82eb560b00515ce82f64da494b38f29604473507c

    • Size

      3.8MB

    • MD5

      6fa2ff1dad01f838e0bb814affccd0c6

    • SHA1

      8c26dfd9d19c3b45cd057f895f80d43326fc986d

    • SHA256

      e6b4bd102c3151b6639945d82eb560b00515ce82f64da494b38f29604473507c

    • SHA512

      de88757ee96943eaec582760b1631befb09ea8b9a5c8c757e24431978e3338ea7dd922e2b3dd1a47e514bb0ea93252171236f817c4d1220794e9472c8c2f24d3

    • 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