General

  • Target

    a37825b304e7b77f3e314430a6718f5094e085ea8f9d209854701ce28e33d565

  • Size

    4.1MB

  • Sample

    230329-rp7mrsac5v

  • MD5

    f9c8fea8e579df299c25fcfaed603bb2

  • SHA1

    9f52eb9f994801c77d2941611a754e9ac99dfd00

  • SHA256

    a37825b304e7b77f3e314430a6718f5094e085ea8f9d209854701ce28e33d565

  • SHA512

    ff89a062d6654fc722e0afe850eb1d2d61a7e359ccf3bf4f173db199fde3a8326b4a1451d35fa7714ad9302f0cace1e078b231bd8038586abb3240e0d3d8c9c8

  • SSDEEP

    98304:Mn7DsKGaqVohMV3iM4rojo/8eRQfWle7+NTITxGbeKkQCvc:83B+EyiMgojz7JTxc/k/vc

Malware Config

Targets

    • Target

      a37825b304e7b77f3e314430a6718f5094e085ea8f9d209854701ce28e33d565

    • Size

      4.1MB

    • MD5

      f9c8fea8e579df299c25fcfaed603bb2

    • SHA1

      9f52eb9f994801c77d2941611a754e9ac99dfd00

    • SHA256

      a37825b304e7b77f3e314430a6718f5094e085ea8f9d209854701ce28e33d565

    • SHA512

      ff89a062d6654fc722e0afe850eb1d2d61a7e359ccf3bf4f173db199fde3a8326b4a1451d35fa7714ad9302f0cace1e078b231bd8038586abb3240e0d3d8c9c8

    • SSDEEP

      98304:Mn7DsKGaqVohMV3iM4rojo/8eRQfWle7+NTITxGbeKkQCvc:83B+EyiMgojz7JTxc/k/vc

    • 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.

    • 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

Modify Registry

1
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Command and Control

Web Service

1
T1102

Tasks