General

  • Target

    c0eb12db3783ac977f590737cc4d7b841d28c8d775a5071b1b82ed0c1fcf50af

  • Size

    4.2MB

  • Sample

    230608-fnzd8acc96

  • MD5

    9caecad915e684996ba40863de9f2f6d

  • SHA1

    c0736de1e60d494aa0bd7e8a7bd850410a75fd9f

  • SHA256

    c0eb12db3783ac977f590737cc4d7b841d28c8d775a5071b1b82ed0c1fcf50af

  • SHA512

    a52faf3fbcab4bed4bc464e9a2c81cf90ec6fce09912b5f14b89e2331664e1140473a0cb53dc7e55735eb173291c57d98ae7a1836a10b4c8f7a75c296daaea6d

  • SSDEEP

    98304:8L9MLJ4yT5nBpJLCTRLHuTMeBrhT8sCKfL71koaF:o9SJ4yTnCtCAbspfvRaF

Malware Config

Targets

    • Target

      c0eb12db3783ac977f590737cc4d7b841d28c8d775a5071b1b82ed0c1fcf50af

    • Size

      4.2MB

    • MD5

      9caecad915e684996ba40863de9f2f6d

    • SHA1

      c0736de1e60d494aa0bd7e8a7bd850410a75fd9f

    • SHA256

      c0eb12db3783ac977f590737cc4d7b841d28c8d775a5071b1b82ed0c1fcf50af

    • SHA512

      a52faf3fbcab4bed4bc464e9a2c81cf90ec6fce09912b5f14b89e2331664e1140473a0cb53dc7e55735eb173291c57d98ae7a1836a10b4c8f7a75c296daaea6d

    • SSDEEP

      98304:8L9MLJ4yT5nBpJLCTRLHuTMeBrhT8sCKfL71koaF:o9SJ4yTnCtCAbspfvRaF

    • Glupteba

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

    • Glupteba payload

    • Windows security bypass

    • Modifies Windows Firewall

    • Executes dropped EXE

    • UPX packed file

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

    • 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.

    • 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

Disabling Security Tools

2
T1089

Modify Registry

3
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Tasks