Resubmissions

02/03/2024, 17:16

240302-vs5jcsfc7z

02/03/2024, 17:12

240302-vrcrysfc6z7

General

  • Target
    HDD Regenerator 2011.exe
  • Size 6.5MB
  • Sample240302-vrcrysfc6z
  • SHA256 08d95e46cac1a5e1ecd1db39127a01f6351016bc24d11e2c3d6fddd7e0b78183
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Targets

    • Target
      HDD Regenerator 2011.exe
    • Size 6.5MB
    • SHA256 08d95e46cac1a5e1ecd1db39127a01f6351016bc24d11e2c3d6fddd7e0b78183
    • MD5 SHA1 SHA512 SSDEEP
    Score
    7/10
    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Blocklisted process makes network request

    • Enumerates connected drives

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

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks