General

  • Target

    9c11327c65e320e8f9f5b1f85a4df2a30648315fb218a7dde34df4074f54747a

  • Size

    4.1MB

  • Sample

    230326-zgaxtsaa24

  • MD5

    77bf66663cac3e86378049c5c24aa280

  • SHA1

    d7dc5933db05693a6a66fac086a9053991b4789a

  • SHA256

    9c11327c65e320e8f9f5b1f85a4df2a30648315fb218a7dde34df4074f54747a

  • SHA512

    a6367518b6ef1ae5c18239e34294d0e747173499df0878758a2b437db753ca91c6885db552949db047e0c30c967b6bd9320f958fb4f03728c58b65b0e302cdf2

  • SSDEEP

    98304:21Mvy3BUmqtAP5v+7QhtPwaHYVYBSKkUTO/7Tfa2:21TUFSF+7QzZzBSKdTqbJ

Malware Config

Targets

    • Target

      9c11327c65e320e8f9f5b1f85a4df2a30648315fb218a7dde34df4074f54747a

    • Size

      4.1MB

    • MD5

      77bf66663cac3e86378049c5c24aa280

    • SHA1

      d7dc5933db05693a6a66fac086a9053991b4789a

    • SHA256

      9c11327c65e320e8f9f5b1f85a4df2a30648315fb218a7dde34df4074f54747a

    • SHA512

      a6367518b6ef1ae5c18239e34294d0e747173499df0878758a2b437db753ca91c6885db552949db047e0c30c967b6bd9320f958fb4f03728c58b65b0e302cdf2

    • SSDEEP

      98304:21Mvy3BUmqtAP5v+7QhtPwaHYVYBSKkUTO/7Tfa2:21TUFSF+7QzZzBSKdTqbJ

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Windows security bypass

    • Modifies Windows Firewall

    • Executes dropped EXE

    • Windows security modification

    • 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

Disabling Security Tools

2
T1089

Modify Registry

3
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Command and Control

Web Service

1
T1102

Tasks