General

  • Target
    64CO.bin
  • Size 1.2MB
  • Sample231129-bf6fcadf37
  • SHA256 033b4950a8f249b20eb86ec6f8f2ea0a1567bb164289d1aa7fb0ba51f9bbe46c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      64CO.bin
    • Size 1.2MB
    • SHA256 033b4950a8f249b20eb86ec6f8f2ea0a1567bb164289d1aa7fb0ba51f9bbe46c
    • MD5 SHA1 SHA512 SSDEEP
    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Renames multiple (629) files with added filename extension

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

    • Renames multiple (916) 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.

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Deletes itself

    • 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

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks