General

  • Target

    c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445

  • Size

    4.1MB

  • Sample

    230607-y4vebagb4s

  • MD5

    8582528fe7537ae85fb0a57f410c055a

  • SHA1

    b44374dd8e04a0e9b545abac3818dc66bef149f1

  • SHA256

    c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445

  • SHA512

    6e25de5578bfde101c0b524a0ef6e670386c7b100a7d11d8a642d869df1b1aec9df93bc04ad54277b5c50a953e8bf5c74166acc35ec7b1616636cd674f46b9b5

  • SSDEEP

    98304:vV0kmJ+lypSNjdXPFOPJebab0px9wmc+n8YxrkbK2edAQcAI:lBUUNjSheOR48v+9dAMI

Malware Config

Targets

    • Target

      c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445

    • Size

      4.1MB

    • MD5

      8582528fe7537ae85fb0a57f410c055a

    • SHA1

      b44374dd8e04a0e9b545abac3818dc66bef149f1

    • SHA256

      c0931a5fd9c4fefaa3dee13e9dd6418a4021911023ef92c86a44136548e6e445

    • SHA512

      6e25de5578bfde101c0b524a0ef6e670386c7b100a7d11d8a642d869df1b1aec9df93bc04ad54277b5c50a953e8bf5c74166acc35ec7b1616636cd674f46b9b5

    • SSDEEP

      98304:vV0kmJ+lypSNjdXPFOPJebab0px9wmc+n8YxrkbK2edAQcAI:lBUUNjSheOR48v+9dAMI

    • Glupteba

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

    • Glupteba payload

    • Modifies Windows Firewall

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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.

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • Drops file in System32 directory

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

Tasks