General

  • Target

    9ab922afeb5ce1db433a216c47c2425a11d32cb36e9c213e969d86d8a3e87453

  • Size

    4.1MB

  • Sample

    230328-jcgltabd6t

  • MD5

    bd043b9a2cedc5a6a80581f040dbdb7f

  • SHA1

    7671a081ae6662a4e3a308366bb83318cc359b31

  • SHA256

    9ab922afeb5ce1db433a216c47c2425a11d32cb36e9c213e969d86d8a3e87453

  • SHA512

    57b527413aa794667881c2652620a43c2b6ef02adc0340f655fbfae7e727eef4de8c14a0e02eea979da3811796ece786a433c3bd8ce7e0796ca4386c37b5f092

  • SSDEEP

    98304:2ojG5wSVpA06RFL0CxbWXYdsOzVuQDRCp3gQG6pq+k5FuIu:7SUHW0HBCZgm7Ovu

Malware Config

Targets

    • Target

      9ab922afeb5ce1db433a216c47c2425a11d32cb36e9c213e969d86d8a3e87453

    • Size

      4.1MB

    • MD5

      bd043b9a2cedc5a6a80581f040dbdb7f

    • SHA1

      7671a081ae6662a4e3a308366bb83318cc359b31

    • SHA256

      9ab922afeb5ce1db433a216c47c2425a11d32cb36e9c213e969d86d8a3e87453

    • SHA512

      57b527413aa794667881c2652620a43c2b6ef02adc0340f655fbfae7e727eef4de8c14a0e02eea979da3811796ece786a433c3bd8ce7e0796ca4386c37b5f092

    • SSDEEP

      98304:2ojG5wSVpA06RFL0CxbWXYdsOzVuQDRCp3gQG6pq+k5FuIu:7SUHW0HBCZgm7Ovu

    • 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