General

  • Target

    5419151854960640.zip

  • Size

    721KB

  • Sample

    210309-xgb6yb48dn

  • MD5

    41eaa3ccce0930c246261d5f0f56a817

  • SHA1

    52c77cbb43c24b0d424539d441b3d74502fc936f

  • SHA256

    3cdc847f4ca7e263873e7b8fe077060c9c76c6e5d976ffea2d78b7c652f1f615

  • SHA512

    46361537e1df01c4d39766b66aeb6854b450be91a020a5041d496f8f3a7e4056549fa011ad87430f134c8e834c5aabed45d2b55338c864224cbfa9dd07ee0923

Malware Config

Targets

    • Target

      224ce0605b6840d7953729cee972f9e79198cb0d45a2cd3f16198444f6d2f914

    • Size

      1.3MB

    • MD5

      2c52f3918b636736bdf0022c64115b26

    • SHA1

      88cf55ae8c77ed23219e7c8fe794afa93301ad6d

    • SHA256

      224ce0605b6840d7953729cee972f9e79198cb0d45a2cd3f16198444f6d2f914

    • SHA512

      551f22bc10ceb1af2d6f8da6a27ec842176a14108383a2d46a37f4ee3bdfda0b08732aa5549e4a07d3dc337f1ebb07ca1852eb7b0ed9320fe5117b2d5cb62495

    • 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

    • 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.

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v6

Tasks