General

  • Target

    8cc552abaa5626bb8e0f63c876a88ef9c09b25d22f44d44c8c8b133b7885fd4a

  • Size

    4.1MB

  • Sample

    230326-y7l74sbh4s

  • MD5

    c2094f0892ae8c9b5562b413c898d847

  • SHA1

    aa1f2134706b28dec552a666601ffca6de18814b

  • SHA256

    8cc552abaa5626bb8e0f63c876a88ef9c09b25d22f44d44c8c8b133b7885fd4a

  • SHA512

    078b26555b657c67104bfecf0a9c980454a4fe4fe290fa314f78de3e1bfe5f09196cfc058fc441c57a8196b8509be6769b64a2d6c7664783e83d0fdc2a8f8da1

  • SSDEEP

    98304:s/3z+q3kCw6T/jJgazfJD3b78JfkS5ao/0O4bwkD:Wn3kVa/jJgazpL7SkS5aoN2

Malware Config

Targets

    • Target

      8cc552abaa5626bb8e0f63c876a88ef9c09b25d22f44d44c8c8b133b7885fd4a

    • Size

      4.1MB

    • MD5

      c2094f0892ae8c9b5562b413c898d847

    • SHA1

      aa1f2134706b28dec552a666601ffca6de18814b

    • SHA256

      8cc552abaa5626bb8e0f63c876a88ef9c09b25d22f44d44c8c8b133b7885fd4a

    • SHA512

      078b26555b657c67104bfecf0a9c980454a4fe4fe290fa314f78de3e1bfe5f09196cfc058fc441c57a8196b8509be6769b64a2d6c7664783e83d0fdc2a8f8da1

    • SSDEEP

      98304:s/3z+q3kCw6T/jJgazfJD3b78JfkS5ao/0O4bwkD:Wn3kVa/jJgazpL7SkS5aoN2

    • 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