General

  • Target

    a26906c09acbcd300aa4a7f237249282_JaffaCakes118

  • Size

    74KB

  • Sample

    241126-rp3c2s1mbn

  • MD5

    a26906c09acbcd300aa4a7f237249282

  • SHA1

    294868f580a8cf338ca7fcd2a713b8b6b84434d1

  • SHA256

    20165d77c3851851b5df4fa23850bf02ebf990fbb80d387d0007b4ba52ac64a3

  • SHA512

    034a75a85e31cc8532823ecdb22f076af386fcda6f750c15e44d13d811d4646bf5b6fd28764e04bb8e1c36c4ec27b1a6fd2b7b3d256a1d36cef3cd108e56daea

  • SSDEEP

    1536:IVd5aji/ori2ozCLWpvQxJtdXVIvyU7aSYCQXD:IVd5ajJrolpIxJt3IvX2aiD

Malware Config

Targets

    • Target

      a26906c09acbcd300aa4a7f237249282_JaffaCakes118

    • Size

      74KB

    • MD5

      a26906c09acbcd300aa4a7f237249282

    • SHA1

      294868f580a8cf338ca7fcd2a713b8b6b84434d1

    • SHA256

      20165d77c3851851b5df4fa23850bf02ebf990fbb80d387d0007b4ba52ac64a3

    • SHA512

      034a75a85e31cc8532823ecdb22f076af386fcda6f750c15e44d13d811d4646bf5b6fd28764e04bb8e1c36c4ec27b1a6fd2b7b3d256a1d36cef3cd108e56daea

    • SSDEEP

      1536:IVd5aji/ori2ozCLWpvQxJtdXVIvyU7aSYCQXD:IVd5ajJrolpIxJt3IvX2aiD

    • Detected Xorist Ransomware

    • Xorist Ransomware

      Xorist is a ransomware first seen in 2020.

    • Xorist family

    • Renames multiple (2170) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Deletes itself

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks