General

  • Target
    ccsetup_online_setup.exe
  • Size 1.7MB
  • Sample260705-zcsbbafw3t
  • SHA256 c157080bacfa4e5fd50584b2f3d0ca2459cc7c921225365b60c886e1799c9d1e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      ccsetup_online_setup.exe
    • Size 1.7MB
    • SHA256 c157080bacfa4e5fd50584b2f3d0ca2459cc7c921225365b60c886e1799c9d1e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Uses Session Manager for persistence

      Creates Session Manager registry key to run executable early in system boot.

    • Checks for any installed AV software in registry

    • Downloads MZ/PE file

    • Enumerates connected drives

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

    • Network Share Discovery

      Attempt to gather information on host network.

    • Writes to the Master Boot Record (MBR)

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

    • Checks computer location settings

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks