General

  • Target

    3fdefe5166c56785e272a4b27e1471aac33aa6b0cdbe4d466dde87016e941dc5

  • Size

    4.1MB

  • Sample

    240427-kf8p5seh68

  • MD5

    6ce3ae9b79c9ddaee85a2e55d2fd89c2

  • SHA1

    3816ab7b53e00efb2d7a5573e6a33882311e7674

  • SHA256

    3fdefe5166c56785e272a4b27e1471aac33aa6b0cdbe4d466dde87016e941dc5

  • SHA512

    e41135183066433b19afa9e29d38795cfe4eea0d9f30bdc9bb2505f6171853d14bfd0d567d7e2886aff67ae6880c8f53e7bbc28c9d65efea34e67eadfda048fb

  • SSDEEP

    98304:hBrcvoQ3bpeAYFyI5s2iXAaDVcYvvxcUB482tlsgYA74q:hBQ8JjsJRJcupcUK8wlX7Z

Malware Config

Targets

    • Target

      3fdefe5166c56785e272a4b27e1471aac33aa6b0cdbe4d466dde87016e941dc5

    • Size

      4.1MB

    • MD5

      6ce3ae9b79c9ddaee85a2e55d2fd89c2

    • SHA1

      3816ab7b53e00efb2d7a5573e6a33882311e7674

    • SHA256

      3fdefe5166c56785e272a4b27e1471aac33aa6b0cdbe4d466dde87016e941dc5

    • SHA512

      e41135183066433b19afa9e29d38795cfe4eea0d9f30bdc9bb2505f6171853d14bfd0d567d7e2886aff67ae6880c8f53e7bbc28c9d65efea34e67eadfda048fb

    • SSDEEP

      98304:hBrcvoQ3bpeAYFyI5s2iXAaDVcYvvxcUB482tlsgYA74q:hBQ8JjsJRJcupcUK8wlX7Z

    • Glupteba

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

    • Glupteba payload

    • Modifies Windows Firewall

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Tasks