General

  • Target

    e54e80053d377c84e97906ad2bf2acb44428832c4eb839c6f5b3273c357292f0

  • Size

    4.1MB

  • Sample

    230327-wr98wsgf9x

  • MD5

    4f61b0db0fbd7b7c524624af58030785

  • SHA1

    a1febb88a29edbe10d427c4549833b6ab5befcea

  • SHA256

    e54e80053d377c84e97906ad2bf2acb44428832c4eb839c6f5b3273c357292f0

  • SHA512

    fe82d2e20c1583ee219a0dbec864951bcf6c183a8cb12e07564c244710d3f10164146554bc8a3211f59406387e3ca806e1914ad47b49d45272f94f479efbcfce

  • SSDEEP

    98304:CR4aIsqGXrMM5+XC79bek6AV6rp64timIOdgjmBZlYVyYAb:42RGgM5+y7kk6AV6/LIygjgZ2VI

Malware Config

Targets

    • Target

      e54e80053d377c84e97906ad2bf2acb44428832c4eb839c6f5b3273c357292f0

    • Size

      4.1MB

    • MD5

      4f61b0db0fbd7b7c524624af58030785

    • SHA1

      a1febb88a29edbe10d427c4549833b6ab5befcea

    • SHA256

      e54e80053d377c84e97906ad2bf2acb44428832c4eb839c6f5b3273c357292f0

    • SHA512

      fe82d2e20c1583ee219a0dbec864951bcf6c183a8cb12e07564c244710d3f10164146554bc8a3211f59406387e3ca806e1914ad47b49d45272f94f479efbcfce

    • SSDEEP

      98304:CR4aIsqGXrMM5+XC79bek6AV6rp64timIOdgjmBZlYVyYAb:42RGgM5+y7kk6AV6/LIygjgZ2VI

    • 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