General

  • Target

    30a5805557923cb5e17dd7ad7275758094f50914a13f11f4f3f40b4e482d72e1

  • Size

    4.2MB

  • Sample

    220917-crebnschfm

  • MD5

    ccfcd083ffeebc4132280c7dfb916db4

  • SHA1

    57c6eb9ed6fe86e9709b4faf3d7e79a95747c761

  • SHA256

    30a5805557923cb5e17dd7ad7275758094f50914a13f11f4f3f40b4e482d72e1

  • SHA512

    0d9a80e3dee0e2402c50d97f04978dcc12a886b1f0ef407b43215cb67c80d1305879173a8ad517640cc688a78c7971ce4ecf4a6c362b56308f124887b870d527

  • SSDEEP

    98304:9w30D6K27v62XCl/Xfjuxp9mUuldW+huBRCC8AKmOoWdyB:1e62aPLqpG0+h4RC9shWE

Malware Config

Targets

    • Target

      30a5805557923cb5e17dd7ad7275758094f50914a13f11f4f3f40b4e482d72e1

    • Size

      4.2MB

    • MD5

      ccfcd083ffeebc4132280c7dfb916db4

    • SHA1

      57c6eb9ed6fe86e9709b4faf3d7e79a95747c761

    • SHA256

      30a5805557923cb5e17dd7ad7275758094f50914a13f11f4f3f40b4e482d72e1

    • SHA512

      0d9a80e3dee0e2402c50d97f04978dcc12a886b1f0ef407b43215cb67c80d1305879173a8ad517640cc688a78c7971ce4ecf4a6c362b56308f124887b870d527

    • SSDEEP

      98304:9w30D6K27v62XCl/Xfjuxp9mUuldW+huBRCC8AKmOoWdyB:1e62aPLqpG0+h4RC9shWE

    • Glupteba

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

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Loads dropped DLL

    • 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.

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Tasks