Resubmissions

06/07/2025, 15:53

250706-tbzfca1jv510

24/06/2025, 02:46

250624-c9b92abj7v10

23/06/2025, 04:20

250623-eyd1la1tbs10

General

  • Target
    22768991078.zip
  • Size 721KB
  • Sample250706-tbzfca1jv5
  • SHA256 4b4d937412ce641fcc3545bf083912a6ca96f3dbe83cdc3146d439bc7403453a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      8fdee53152ec985ffeeeda3d7a85852eb5c9902d2d480449421b4939b1904aad
    • Size 723KB
    • SHA256 8fdee53152ec985ffeeeda3d7a85852eb5c9902d2d480449421b4939b1904aad
    • MD5 SHA1 SHA512 SSDEEP
    • Disables service(s)

    • Clears Windows event logs

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Renames multiple (239) files with added filename extension

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

    • Deletes System State backups

      Uses wbadmin.exe to inhibit system recovery.

    • Indicator Removal: Clear Windows Event Logs

      Clear Windows Event Logs to hide the activity of an intrusion.

    • Reads user/profile data of web browsers

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

    • Disables regular backups

      Uses wbadmin.exe to disable Windows backups.

    • Drops desktop.ini file(s)

    • UPX packed file

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

MITRE ATT&CK Enterprise v16

Tasks