General

  • Target

    43d0cbd83b6a0a296cd1e49260339d591a22b60209261fbae1c39b6af51df78e

  • Size

    4.1MB

  • Sample

    230328-tbfy1ade5v

  • MD5

    75359bbdaf5a442553d2dd1286a1d941

  • SHA1

    a52046c9ce321bd2eb4fbb0c52d078983cd4c405

  • SHA256

    43d0cbd83b6a0a296cd1e49260339d591a22b60209261fbae1c39b6af51df78e

  • SHA512

    7c728d7f940652c62cfffb377892d9716e1ee1e4eb37c34097a1105f5f0ce42a96b1647ec3fb6f9593a4c7f5658457f4ac4bac227cdd00b88ef4418b9e8fd563

  • SSDEEP

    98304:Jv8VP4qda1AwlCuF+X7nTfk2P7Px/Hvgk/7FHeVAkEdgGt0WI3TL+T:dq8fviU4x/YYeuky0Ve

Malware Config

Targets

    • Target

      43d0cbd83b6a0a296cd1e49260339d591a22b60209261fbae1c39b6af51df78e

    • Size

      4.1MB

    • MD5

      75359bbdaf5a442553d2dd1286a1d941

    • SHA1

      a52046c9ce321bd2eb4fbb0c52d078983cd4c405

    • SHA256

      43d0cbd83b6a0a296cd1e49260339d591a22b60209261fbae1c39b6af51df78e

    • SHA512

      7c728d7f940652c62cfffb377892d9716e1ee1e4eb37c34097a1105f5f0ce42a96b1647ec3fb6f9593a4c7f5658457f4ac4bac227cdd00b88ef4418b9e8fd563

    • SSDEEP

      98304:Jv8VP4qda1AwlCuF+X7nTfk2P7Px/Hvgk/7FHeVAkEdgGt0WI3TL+T:dq8fviU4x/YYeuky0Ve

    • Glupteba

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

    • Glupteba payload

    • Windows security bypass

    • Modifies Windows Firewall

    • Executes dropped EXE

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • 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

Disabling Security Tools

2
T1089

Modify Registry

3
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Command and Control

Web Service

1
T1102

Tasks