General

  • Target

    942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6

  • Size

    4.1MB

  • Sample

    240524-a8lqzafd79

  • MD5

    3600b9a82907a9f072c5086fdc376220

  • SHA1

    0553de1e76929adf821c5d78516a8ad2a86eb503

  • SHA256

    942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6

  • SHA512

    1389f017f0ff4cb31d068a1f9add60cd0f1670a271ab8463ed5a68e65464f9e60943a9daa48a6cc9ad9fe42d38a80cd123ac51ff8b7bb4aa6a0f22ac7291a5a5

  • SSDEEP

    98304:MxfL9oyIkrku4AJMBJNRxIbk0RddEjk9Pc8cg301s2mGvl:6RrVrv4XbNRWhj2o9k8f3CspGvl

Malware Config

Targets

    • Target

      942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6

    • Size

      4.1MB

    • MD5

      3600b9a82907a9f072c5086fdc376220

    • SHA1

      0553de1e76929adf821c5d78516a8ad2a86eb503

    • SHA256

      942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6

    • SHA512

      1389f017f0ff4cb31d068a1f9add60cd0f1670a271ab8463ed5a68e65464f9e60943a9daa48a6cc9ad9fe42d38a80cd123ac51ff8b7bb4aa6a0f22ac7291a5a5

    • SSDEEP

      98304:MxfL9oyIkrku4AJMBJNRxIbk0RddEjk9Pc8cg301s2mGvl:6RrVrv4XbNRWhj2o9k8f3CspGvl

    • Glupteba

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

    • Glupteba payload

    • Windows security bypass

    • Modifies boot configuration data using bcdedit

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Possible attempt to disable PatchGuard

      Rootkits can use kernel patching to embed themselves in an operating system.

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

    • 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 WinMon driver.

      Roottkits write to WinMon to hide PIDs from being detected.

    • 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

2
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

4
T1562

Disable or Modify Tools

2
T1562.001

Disable or Modify System Firewall

1
T1562.004

Modify Registry

4
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Command and Control

Web Service

1
T1102

Tasks