General

  • Target

    b83042ce721971e96c124e7d534d0ec1516050bbcd84c8b7da76f9e06a890302

  • Size

    4.1MB

  • Sample

    230328-zlw1vsdc73

  • MD5

    6d836acf9bec5f5020a9f075448cde4f

  • SHA1

    3e0f0f5233be9f3a17c74c96a5a110de0f42a6fd

  • SHA256

    b83042ce721971e96c124e7d534d0ec1516050bbcd84c8b7da76f9e06a890302

  • SHA512

    af6404eee6d04b7ee3b538edb5e87a25b451fc0671d9d5546d2b3125b32f4ad72f48fa1f4ee02ab9e4bf611c34c26b60212131b1a1a8428cfe00de9e9c9d866c

  • SSDEEP

    98304:1gllZtUzyXaTUcZNWhxCJtdbhiVLOMs9LZsG/IJsSDtGFiK:1g5iH4cZyxCJIEgGCswEiK

Malware Config

Targets

    • Target

      b83042ce721971e96c124e7d534d0ec1516050bbcd84c8b7da76f9e06a890302

    • Size

      4.1MB

    • MD5

      6d836acf9bec5f5020a9f075448cde4f

    • SHA1

      3e0f0f5233be9f3a17c74c96a5a110de0f42a6fd

    • SHA256

      b83042ce721971e96c124e7d534d0ec1516050bbcd84c8b7da76f9e06a890302

    • SHA512

      af6404eee6d04b7ee3b538edb5e87a25b451fc0671d9d5546d2b3125b32f4ad72f48fa1f4ee02ab9e4bf611c34c26b60212131b1a1a8428cfe00de9e9c9d866c

    • SSDEEP

      98304:1gllZtUzyXaTUcZNWhxCJtdbhiVLOMs9LZsG/IJsSDtGFiK:1g5iH4cZyxCJIEgGCswEiK

    • Glupteba

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

    • Glupteba payload

    • Modifies Windows Firewall

    • Executes dropped EXE

    • 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 WinMonFS driver.

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

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

2
T1012

System Information Discovery

1
T1082

Tasks