General

  • Target

    0676816e9e450dea861a65a0b29f44179e1999f09a24e488ec6756528a5e6b65

  • Size

    1.2MB

  • Sample

    220201-kjt16abehj

  • MD5

    607d292bdcdde297252e002e613282ae

  • SHA1

    0161d2dd582d064f7e7f50ccb43478ff0884916a

  • SHA256

    0676816e9e450dea861a65a0b29f44179e1999f09a24e488ec6756528a5e6b65

  • SHA512

    2bdc2ff857f9f52aac5071d3a695f7baf822a971969ba263ad03769c41af7916b558bada6bfe76fe78f730235a4ca5d2dd1cf3eaa2a59c5efef06af0a798acb8

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://myexternalip.com/raw

Targets

    • Target

      0676816e9e450dea861a65a0b29f44179e1999f09a24e488ec6756528a5e6b65

    • Size

      1.2MB

    • MD5

      607d292bdcdde297252e002e613282ae

    • SHA1

      0161d2dd582d064f7e7f50ccb43478ff0884916a

    • SHA256

      0676816e9e450dea861a65a0b29f44179e1999f09a24e488ec6756528a5e6b65

    • SHA512

      2bdc2ff857f9f52aac5071d3a695f7baf822a971969ba263ad03769c41af7916b558bada6bfe76fe78f730235a4ca5d2dd1cf3eaa2a59c5efef06af0a798acb8

    • 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.

    • Blocklisted 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

    • 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