General

  • Target

    fd3eda66225f8b8b4dae819270171d6ff4fcd8c2070d728e53362891a047c9e0

  • Size

    4.1MB

  • Sample

    240511-kw2lrsch97

  • MD5

    87f3e8da76aad8f55d9531c62a56692a

  • SHA1

    3c2306c32d35d6b54a5fc8995ff6109991c9ca72

  • SHA256

    fd3eda66225f8b8b4dae819270171d6ff4fcd8c2070d728e53362891a047c9e0

  • SHA512

    49b662dc23ea8bd676f82a3a4af315f07e679336c20c844a55e128fee0003d4ad4d8195363f9895c286f64198f5742ab8933c5c9fbef8c4149ebee26ada48771

  • SSDEEP

    98304:IErTbmYqgZ1XudKeC70JrifsEkbyxLCxltfr4Ppsv6xaCIl:LD1Z1UwAUfrk2xOxPr4PpsvyaCIl

Malware Config

Targets

    • Target

      fd3eda66225f8b8b4dae819270171d6ff4fcd8c2070d728e53362891a047c9e0

    • Size

      4.1MB

    • MD5

      87f3e8da76aad8f55d9531c62a56692a

    • SHA1

      3c2306c32d35d6b54a5fc8995ff6109991c9ca72

    • SHA256

      fd3eda66225f8b8b4dae819270171d6ff4fcd8c2070d728e53362891a047c9e0

    • SHA512

      49b662dc23ea8bd676f82a3a4af315f07e679336c20c844a55e128fee0003d4ad4d8195363f9895c286f64198f5742ab8933c5c9fbef8c4149ebee26ada48771

    • SSDEEP

      98304:IErTbmYqgZ1XudKeC70JrifsEkbyxLCxltfr4Ppsv6xaCIl:LD1Z1UwAUfrk2xOxPr4PpsvyaCIl

    • 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 v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Tasks