General

  • Target

    83d28960ce93489e10f811845e5ed84eb04cf4b785107e177bd474a471d45ce5.exe

  • Size

    4.1MB

  • Sample

    240523-d5nb6sce2s

  • MD5

    27d01600bd3dc1ec2f1eb16bea1db760

  • SHA1

    924553c3d344d884e6f3f5f438be26976178083e

  • SHA256

    83d28960ce93489e10f811845e5ed84eb04cf4b785107e177bd474a471d45ce5

  • SHA512

    348bf2924303d7b9c98e73ccf4ea3af9dfd0a9b531315a4910f4976aa345ce07f334b6e9f9a695e76e679c547119de766638d38dde85eaffded0741d51354d2d

  • SSDEEP

    98304:AcO3d23DP4WvcTQUVFyLidGODnX7vlp0fAiBu1UOo5GU75c1WMsxQ:AcO3d2wQ4Q8FyLwnXJ+AxvtU75c1js+

Malware Config

Targets

    • Target

      83d28960ce93489e10f811845e5ed84eb04cf4b785107e177bd474a471d45ce5.exe

    • Size

      4.1MB

    • MD5

      27d01600bd3dc1ec2f1eb16bea1db760

    • SHA1

      924553c3d344d884e6f3f5f438be26976178083e

    • SHA256

      83d28960ce93489e10f811845e5ed84eb04cf4b785107e177bd474a471d45ce5

    • SHA512

      348bf2924303d7b9c98e73ccf4ea3af9dfd0a9b531315a4910f4976aa345ce07f334b6e9f9a695e76e679c547119de766638d38dde85eaffded0741d51354d2d

    • SSDEEP

      98304:AcO3d23DP4WvcTQUVFyLidGODnX7vlp0fAiBu1UOo5GU75c1WMsxQ:AcO3d2wQ4Q8FyLwnXJ+AxvtU75c1js+

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Windows security bypass

    • Modifies boot configuration data using bcdedit

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Possible attempt to disable PatchGuard

      Rootkits can use kernel patching to embed themselves in an operating system.

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Manipulates WinMon driver.

      Roottkits write to WinMon to hide PIDs from being detected.

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks