General

  • Target

    0b03bf1c7b596a862978999eebfa0703e6de48912c9a57e2fed3ae5cd747bea7

  • Size

    1.2MB

  • Sample

    201008-vc937jgesa

  • MD5

    76b640aa00354e46b29ca7ac2adfd732

  • SHA1

    afebf9d72ba7186afefebf4deda87675621b0b8b

  • SHA256

    0b03bf1c7b596a862978999eebfa0703e6de48912c9a57e2fed3ae5cd747bea7

  • SHA512

    fecb15238714c786098f1dd0bb18696ab15634228ec3a48c900fd843e817d4c24607bdf6fb58e0321da3e1c1e49305ec919dddabbd34727acec8fbd6cb6fd552

Malware Config

Extracted

Language
ps1
Source
URLs
ps1.dropper

http://myexternalip.com/raw

Targets

    • Target

      0b03bf1c7b596a862978999eebfa0703e6de48912c9a57e2fed3ae5cd747bea7

    • Size

      1.2MB

    • MD5

      76b640aa00354e46b29ca7ac2adfd732

    • SHA1

      afebf9d72ba7186afefebf4deda87675621b0b8b

    • SHA256

      0b03bf1c7b596a862978999eebfa0703e6de48912c9a57e2fed3ae5cd747bea7

    • SHA512

      fecb15238714c786098f1dd0bb18696ab15634228ec3a48c900fd843e817d4c24607bdf6fb58e0321da3e1c1e49305ec919dddabbd34727acec8fbd6cb6fd552

    • 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