General

  • Target

    c44f977eec11543ca82ff353024debd41048d405d3c74506bf31c82c77e9f1ff

  • Size

    4.0MB

  • Sample

    230221-gc7rwsff7v

  • MD5

    a202e58546e62f25d026be0876b800a0

  • SHA1

    cd20ce6f2424cc87074b6b7ed14169dc7988a010

  • SHA256

    c44f977eec11543ca82ff353024debd41048d405d3c74506bf31c82c77e9f1ff

  • SHA512

    6c91c539df562c54e4b1241642c3a7fc3b7c7dd22d08964e40fa89f2681f319749bf274ec79b8df7198ff72e341a380ddab15882988684984e28f200855b121e

  • SSDEEP

    98304:PX6VzPNrYPjUsmpLnNBadKuqW0H1oJ3LVUSXJeAjvUnC:PXQTSapLNBsKuwuJ3pPXkU7

Malware Config

Targets

    • Target

      c44f977eec11543ca82ff353024debd41048d405d3c74506bf31c82c77e9f1ff

    • Size

      4.0MB

    • MD5

      a202e58546e62f25d026be0876b800a0

    • SHA1

      cd20ce6f2424cc87074b6b7ed14169dc7988a010

    • SHA256

      c44f977eec11543ca82ff353024debd41048d405d3c74506bf31c82c77e9f1ff

    • SHA512

      6c91c539df562c54e4b1241642c3a7fc3b7c7dd22d08964e40fa89f2681f319749bf274ec79b8df7198ff72e341a380ddab15882988684984e28f200855b121e

    • SSDEEP

      98304:PX6VzPNrYPjUsmpLnNBadKuqW0H1oJ3LVUSXJeAjvUnC:PXQTSapLNBsKuwuJ3pPXkU7

    • Glupteba

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

    • Glupteba payload

    • Modifies Windows Firewall

    • Executes dropped EXE

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

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

Command and Control

Web Service

1
T1102

Tasks