General

  • Target

    1f44ef5b4936c4e6200719723a024fa891b9c5ed15de1a224f6fc8c9675e08cc

  • Size

    4.1MB

  • Sample

    230325-s6sqlsdd27

  • MD5

    c176117c40b7581de17288ef73c8e049

  • SHA1

    18292a90eac77244e9c2c63472ae77e4cb915a8f

  • SHA256

    1f44ef5b4936c4e6200719723a024fa891b9c5ed15de1a224f6fc8c9675e08cc

  • SHA512

    887fedd4f704fe094cbdc0cbf624d0b7eb0844a4bf9da73f60070a1e27af5be639572085192014d10547e820d1ead986db1b846fbed3eea8ab5a67aec21f453c

  • SSDEEP

    98304:l0DJDGd03aPrurdTQvyL5PCDrcYccpCmLPV92d:kiLPiOQCfcYcHmPV9o

Malware Config

Targets

    • Target

      1f44ef5b4936c4e6200719723a024fa891b9c5ed15de1a224f6fc8c9675e08cc

    • Size

      4.1MB

    • MD5

      c176117c40b7581de17288ef73c8e049

    • SHA1

      18292a90eac77244e9c2c63472ae77e4cb915a8f

    • SHA256

      1f44ef5b4936c4e6200719723a024fa891b9c5ed15de1a224f6fc8c9675e08cc

    • SHA512

      887fedd4f704fe094cbdc0cbf624d0b7eb0844a4bf9da73f60070a1e27af5be639572085192014d10547e820d1ead986db1b846fbed3eea8ab5a67aec21f453c

    • SSDEEP

      98304:l0DJDGd03aPrurdTQvyL5PCDrcYccpCmLPV92d:kiLPiOQCfcYcHmPV9o

    • 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