General

  • Target

    5b0b25f7d195c7fc487ef3cad674b3149cb541d8e312aa191b476b103bedef42

  • Size

    4.2MB

  • Sample

    230607-ahyb3sgb63

  • MD5

    55fb7ecea14bbbde342bb9684629d400

  • SHA1

    3383c6587e8479715a1b9b32b57683e4a8325bdc

  • SHA256

    5b0b25f7d195c7fc487ef3cad674b3149cb541d8e312aa191b476b103bedef42

  • SHA512

    d6f0ed26e9e92c714264d89e3ef2e7a00e615c48ebc9b8d6caf207aaea605ec72fd46c81f15d8c958a8e835c2da4580574e801a75a6aabf65ea62c6a3ac9e68e

  • SSDEEP

    98304:qRpqgcnrakfp/v5EYMUDaH8BuphD4LYzqMjBd5Nmn8GbQKYr4:kp3kfp/v59PD/kaM+MjL3ZGET4

Malware Config

Targets

    • Target

      5b0b25f7d195c7fc487ef3cad674b3149cb541d8e312aa191b476b103bedef42

    • Size

      4.2MB

    • MD5

      55fb7ecea14bbbde342bb9684629d400

    • SHA1

      3383c6587e8479715a1b9b32b57683e4a8325bdc

    • SHA256

      5b0b25f7d195c7fc487ef3cad674b3149cb541d8e312aa191b476b103bedef42

    • SHA512

      d6f0ed26e9e92c714264d89e3ef2e7a00e615c48ebc9b8d6caf207aaea605ec72fd46c81f15d8c958a8e835c2da4580574e801a75a6aabf65ea62c6a3ac9e68e

    • SSDEEP

      98304:qRpqgcnrakfp/v5EYMUDaH8BuphD4LYzqMjBd5Nmn8GbQKYr4:kp3kfp/v59PD/kaM+MjL3ZGET4

    • 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