General

  • Target

    2f34762083211116b4c42e2ab68fdd026f244ffc7ce6f8497486bcda265e6744

  • Size

    4.1MB

  • Sample

    230327-w93xjaeg67

  • MD5

    e353f117209194d573e7e644db9c20b2

  • SHA1

    ea0ac51a29810939c740a70d2f9523298e44e419

  • SHA256

    2f34762083211116b4c42e2ab68fdd026f244ffc7ce6f8497486bcda265e6744

  • SHA512

    9ddd11e3cc4017f9636b819dc571a453696f130ba0306e47a43a624c8d95b4888c3615b7899761281a0a2db31c93d4792df468cde206fa27c41e33289309adff

  • SSDEEP

    98304:rvpOWouYO4mCfghlxU0b33zKayfkyhq08WQ:rvAzuYO4JyHaFq+Q

Malware Config

Targets

    • Target

      2f34762083211116b4c42e2ab68fdd026f244ffc7ce6f8497486bcda265e6744

    • Size

      4.1MB

    • MD5

      e353f117209194d573e7e644db9c20b2

    • SHA1

      ea0ac51a29810939c740a70d2f9523298e44e419

    • SHA256

      2f34762083211116b4c42e2ab68fdd026f244ffc7ce6f8497486bcda265e6744

    • SHA512

      9ddd11e3cc4017f9636b819dc571a453696f130ba0306e47a43a624c8d95b4888c3615b7899761281a0a2db31c93d4792df468cde206fa27c41e33289309adff

    • SSDEEP

      98304:rvpOWouYO4mCfghlxU0b33zKayfkyhq08WQ:rvAzuYO4JyHaFq+Q

    • 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