General

  • Target

    23eb2cd6c5757c60ba8817f82883bf23433edaf1c82b4d44fca2be9637dcfdc0

  • Size

    4.0MB

  • Sample

    230221-mr2r3see52

  • MD5

    784340df8bdf42a33bef9d957939e18c

  • SHA1

    ee8fb310c819926a663b9f6c0532831c9fb0f747

  • SHA256

    23eb2cd6c5757c60ba8817f82883bf23433edaf1c82b4d44fca2be9637dcfdc0

  • SHA512

    4e2eae7e1ebe3b1efbecdcc927fd4c15d785a03044bcb6152c8e4d9b69456ed9d3fc297f14c0cea60589e9167ff801450fc22feb67cee6999f2780040aebdae4

  • SSDEEP

    98304:427d+Bg5T7I7Guy6DronwhprKUG0DGFovT6+f:7d+BmZuTF+9266

Malware Config

Targets

    • Target

      23eb2cd6c5757c60ba8817f82883bf23433edaf1c82b4d44fca2be9637dcfdc0

    • Size

      4.0MB

    • MD5

      784340df8bdf42a33bef9d957939e18c

    • SHA1

      ee8fb310c819926a663b9f6c0532831c9fb0f747

    • SHA256

      23eb2cd6c5757c60ba8817f82883bf23433edaf1c82b4d44fca2be9637dcfdc0

    • SHA512

      4e2eae7e1ebe3b1efbecdcc927fd4c15d785a03044bcb6152c8e4d9b69456ed9d3fc297f14c0cea60589e9167ff801450fc22feb67cee6999f2780040aebdae4

    • SSDEEP

      98304:427d+Bg5T7I7Guy6DronwhprKUG0DGFovT6+f:7d+BmZuTF+9266

    • 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