General

  • Target

    733b48d4ab3d9b8e238e8754be55f8f65c8828ccb89f8036ca4fa6d9c365c1e1

  • Size

    4.2MB

  • Sample

    240419-be8t3sca37

  • MD5

    a133d81d522c002d67e1e3bda08c7c5b

  • SHA1

    1ccfad9ac193b263dec99701d9743103daf5cc0e

  • SHA256

    733b48d4ab3d9b8e238e8754be55f8f65c8828ccb89f8036ca4fa6d9c365c1e1

  • SHA512

    29ecb8db53d28fd12b70366c0b0f59576efb1ec2828470b73432b79af561d11a342e7a51be846e123116ffd7a15b8da1f99e17c342b3e06a0a2407950f0f4138

  • SSDEEP

    98304:6eU9Bh0ZpWG7460rhxj0FMVy+9LgCbGoD1OyJCOsGUxDW88A2xBQ0w:a9j0jWE+llaMVy+90CpOuCOqDWtA2xBE

Malware Config

Targets

    • Target

      733b48d4ab3d9b8e238e8754be55f8f65c8828ccb89f8036ca4fa6d9c365c1e1

    • Size

      4.2MB

    • MD5

      a133d81d522c002d67e1e3bda08c7c5b

    • SHA1

      1ccfad9ac193b263dec99701d9743103daf5cc0e

    • SHA256

      733b48d4ab3d9b8e238e8754be55f8f65c8828ccb89f8036ca4fa6d9c365c1e1

    • SHA512

      29ecb8db53d28fd12b70366c0b0f59576efb1ec2828470b73432b79af561d11a342e7a51be846e123116ffd7a15b8da1f99e17c342b3e06a0a2407950f0f4138

    • SSDEEP

      98304:6eU9Bh0ZpWG7460rhxj0FMVy+9LgCbGoD1OyJCOsGUxDW88A2xBQ0w:a9j0jWE+llaMVy+90CpOuCOqDWtA2xBE

    • 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

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