General

  • Target

    80b9cb755acd34caaccc7bd4fb8cd7ec81be2d519321e229047df398ad1c01c8

  • Size

    4.0MB

  • Sample

    230220-yw3eyscc38

  • MD5

    5067e357a346d3b1ce031dd227b57ebe

  • SHA1

    7f44330de64e3ec03b88ab1565f35c3bc953a630

  • SHA256

    80b9cb755acd34caaccc7bd4fb8cd7ec81be2d519321e229047df398ad1c01c8

  • SHA512

    9b5500ec90ca9a98ba21eb8a772bbca1809cae7647f613b71148a03d218706c27aab0d0f7991c61f7b98c6cf7b1104b82059f3e22bed65e1a6b294d765622a4e

  • SSDEEP

    98304:XiM/QgUZuS/H/9XMAqpyjYrPJPowySaVm1DCPeZyRXWxS:XiZYA1X6g0rRPbtaV+DC5US

Malware Config

Targets

    • Target

      80b9cb755acd34caaccc7bd4fb8cd7ec81be2d519321e229047df398ad1c01c8

    • Size

      4.0MB

    • MD5

      5067e357a346d3b1ce031dd227b57ebe

    • SHA1

      7f44330de64e3ec03b88ab1565f35c3bc953a630

    • SHA256

      80b9cb755acd34caaccc7bd4fb8cd7ec81be2d519321e229047df398ad1c01c8

    • SHA512

      9b5500ec90ca9a98ba21eb8a772bbca1809cae7647f613b71148a03d218706c27aab0d0f7991c61f7b98c6cf7b1104b82059f3e22bed65e1a6b294d765622a4e

    • SSDEEP

      98304:XiM/QgUZuS/H/9XMAqpyjYrPJPowySaVm1DCPeZyRXWxS:XiZYA1X6g0rRPbtaV+DC5US

    • 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