General

  • Target

    76310f92a6b1241f7546acaef8c00c8f4461c5b51bbf3fedbfe1f9d162fcd3f2

  • Size

    4.2MB

  • Sample

    230607-yavszsfa74

  • MD5

    71108a6217ea6cb3b1427b0e8085606c

  • SHA1

    f0ef2589eed64e72d7e4040913ee748e31447bd9

  • SHA256

    76310f92a6b1241f7546acaef8c00c8f4461c5b51bbf3fedbfe1f9d162fcd3f2

  • SHA512

    88fc9b9ff9cb7dd3bf69a15a5145b306010679aeaae2c16b190b4799217d8c57c6921a523314af92fea3597df48cda53ee40a699b56bc4d9904a9d5d91a01873

  • SSDEEP

    98304:l7xlQWUQJrx/VpUx5jTm4qCa4aWdF3j0chnIX4rRu:Jxqd9YP+rjRfVu

Malware Config

Targets

    • Target

      76310f92a6b1241f7546acaef8c00c8f4461c5b51bbf3fedbfe1f9d162fcd3f2

    • Size

      4.2MB

    • MD5

      71108a6217ea6cb3b1427b0e8085606c

    • SHA1

      f0ef2589eed64e72d7e4040913ee748e31447bd9

    • SHA256

      76310f92a6b1241f7546acaef8c00c8f4461c5b51bbf3fedbfe1f9d162fcd3f2

    • SHA512

      88fc9b9ff9cb7dd3bf69a15a5145b306010679aeaae2c16b190b4799217d8c57c6921a523314af92fea3597df48cda53ee40a699b56bc4d9904a9d5d91a01873

    • SSDEEP

      98304:l7xlQWUQJrx/VpUx5jTm4qCa4aWdF3j0chnIX4rRu:Jxqd9YP+rjRfVu

    • 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