General

  • Target

    d5e6b1d4f8f5ed4736b82eff2a26f91ddafabd91ecef99fafbd976ea5a80fc63

  • Size

    4.0MB

  • Sample

    230221-mk8xtaee36

  • MD5

    de3739d04a96ce38686d2402304c5a24

  • SHA1

    96cc07a715587eb9d219d2084cc4930f6b7a421b

  • SHA256

    d5e6b1d4f8f5ed4736b82eff2a26f91ddafabd91ecef99fafbd976ea5a80fc63

  • SHA512

    7c65e759a1f7f8018563626ba18bc9d3a79b898512106bce7db32ce7ac88914ab29a4957787649b865b73e4066ad53075b1f02cb06e822b7d39c838b370bd3fc

  • SSDEEP

    98304:bZSAU52/ToHhsGVOMurwtgMX3tPcGTtpU:bZgM/TizHrNtpU

Malware Config

Targets

    • Target

      d5e6b1d4f8f5ed4736b82eff2a26f91ddafabd91ecef99fafbd976ea5a80fc63

    • Size

      4.0MB

    • MD5

      de3739d04a96ce38686d2402304c5a24

    • SHA1

      96cc07a715587eb9d219d2084cc4930f6b7a421b

    • SHA256

      d5e6b1d4f8f5ed4736b82eff2a26f91ddafabd91ecef99fafbd976ea5a80fc63

    • SHA512

      7c65e759a1f7f8018563626ba18bc9d3a79b898512106bce7db32ce7ac88914ab29a4957787649b865b73e4066ad53075b1f02cb06e822b7d39c838b370bd3fc

    • SSDEEP

      98304:bZSAU52/ToHhsGVOMurwtgMX3tPcGTtpU:bZgM/TizHrNtpU

    • 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