Resubmissions

21-02-2023 00:08

230221-ae65taeh4z 10

21-02-2023 00:05

230221-ac9g6ada85 10

General

  • Target

    524c571aab9caea5eb04e6c94178d7b16671946ff66e220e4c1a4f7c650e5eeb

  • Size

    4.0MB

  • Sample

    230221-ac9g6ada85

  • MD5

    d220d524b26c2d0913f1ace06c9205f5

  • SHA1

    881e9f4e61e3051d5025be2575d3f3f6b49d77b0

  • SHA256

    524c571aab9caea5eb04e6c94178d7b16671946ff66e220e4c1a4f7c650e5eeb

  • SHA512

    2e20338cf6433345ccc98bf209ac85cfc0358e0d99e24f8b19fdc73dbde0e5439622493efa9f8eb655148e13ee43e484d65c9461b8364391c931c75159f55842

  • SSDEEP

    49152:JwLeW63sqJsyS6O/jaqlKT6YKEn42BFFaCmkBBf2ieCRgzjhCGNY6OuKr0V9eaZa:auCM6x72BugzRgv2rP6eQJQ4x2RmF18

Malware Config

Targets

    • Target

      524c571aab9caea5eb04e6c94178d7b16671946ff66e220e4c1a4f7c650e5eeb

    • Size

      4.0MB

    • MD5

      d220d524b26c2d0913f1ace06c9205f5

    • SHA1

      881e9f4e61e3051d5025be2575d3f3f6b49d77b0

    • SHA256

      524c571aab9caea5eb04e6c94178d7b16671946ff66e220e4c1a4f7c650e5eeb

    • SHA512

      2e20338cf6433345ccc98bf209ac85cfc0358e0d99e24f8b19fdc73dbde0e5439622493efa9f8eb655148e13ee43e484d65c9461b8364391c931c75159f55842

    • SSDEEP

      49152:JwLeW63sqJsyS6O/jaqlKT6YKEn42BFFaCmkBBf2ieCRgzjhCGNY6OuKr0V9eaZa:auCM6x72BugzRgv2rP6eQJQ4x2RmF18

    • 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