General

  • Target

    8c03086c7f4a307bc6ce966c3e90352f284e39d8e0d8fd4fdef20d8531f4ddd3

  • Size

    4.1MB

  • Sample

    230328-yv3pbseh2v

  • MD5

    32af05e8ceea412df35ed3098fc76308

  • SHA1

    e160d6563c832cffd9f42f98216e8038fde94b43

  • SHA256

    8c03086c7f4a307bc6ce966c3e90352f284e39d8e0d8fd4fdef20d8531f4ddd3

  • SHA512

    3c75b022f793ebec6978d37e158f23d962988a51e3955c4f1abd222fe4f1f993c83745858aec4239a110ce9fa9d9159d1db31274291bfebe0220966a0025a0a1

  • SSDEEP

    98304:kELwTlvdgEX2NpXI1CvrZ0wYkLx78mDXz//wDHa17+P6a+DsJxVO2PF/:kEaAEXAsCv10rkLuUz//Wa1iPqsJxVOi

Malware Config

Targets

    • Target

      8c03086c7f4a307bc6ce966c3e90352f284e39d8e0d8fd4fdef20d8531f4ddd3

    • Size

      4.1MB

    • MD5

      32af05e8ceea412df35ed3098fc76308

    • SHA1

      e160d6563c832cffd9f42f98216e8038fde94b43

    • SHA256

      8c03086c7f4a307bc6ce966c3e90352f284e39d8e0d8fd4fdef20d8531f4ddd3

    • SHA512

      3c75b022f793ebec6978d37e158f23d962988a51e3955c4f1abd222fe4f1f993c83745858aec4239a110ce9fa9d9159d1db31274291bfebe0220966a0025a0a1

    • SSDEEP

      98304:kELwTlvdgEX2NpXI1CvrZ0wYkLx78mDXz//wDHa17+P6a+DsJxVO2PF/:kEaAEXAsCv10rkLuUz//Wa1iPqsJxVOi

    • 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