General

  • Target

    1921b018fcc9a1e518ae581d1ba8cad7efc434cce4035ed39bbd8e05b61cb27d

  • Size

    4.2MB

  • Sample

    230608-f4c6xsce67

  • MD5

    40bd9a86d1c96bc74058ba2425503a48

  • SHA1

    8cdc5adf70a56e0f7caeb8126e84d02971b6283a

  • SHA256

    1921b018fcc9a1e518ae581d1ba8cad7efc434cce4035ed39bbd8e05b61cb27d

  • SHA512

    c74ac3afbfd44b15f6a6b133292db036c2900f9bf28be5449f0ebb640ce15d81b94bedba75671faa4e4c2a7b5c827fbd97144053f82f103257de7e6d5c1aeba6

  • SSDEEP

    98304:cL9MLJ4yT5nBpJLCTRLHuTMeBrhT8sCKfL71koaL:I9SJ4yTnCtCAbspfvRaL

Malware Config

Targets

    • Target

      1921b018fcc9a1e518ae581d1ba8cad7efc434cce4035ed39bbd8e05b61cb27d

    • Size

      4.2MB

    • MD5

      40bd9a86d1c96bc74058ba2425503a48

    • SHA1

      8cdc5adf70a56e0f7caeb8126e84d02971b6283a

    • SHA256

      1921b018fcc9a1e518ae581d1ba8cad7efc434cce4035ed39bbd8e05b61cb27d

    • SHA512

      c74ac3afbfd44b15f6a6b133292db036c2900f9bf28be5449f0ebb640ce15d81b94bedba75671faa4e4c2a7b5c827fbd97144053f82f103257de7e6d5c1aeba6

    • SSDEEP

      98304:cL9MLJ4yT5nBpJLCTRLHuTMeBrhT8sCKfL71koaL:I9SJ4yTnCtCAbspfvRaL

    • 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