General

  • Target

    4eb441c898f7cbd0ac987c2de038a7a0d8f29dd1f666ab558e6e59ba15fc5f79

  • Size

    4.2MB

  • Sample

    230608-f4gt4sdb2s

  • MD5

    f1d4bdcbd90815a9819642714c4f5824

  • SHA1

    d4f316b64923cd3205f36f17d20a95d5a79069ff

  • SHA256

    4eb441c898f7cbd0ac987c2de038a7a0d8f29dd1f666ab558e6e59ba15fc5f79

  • SHA512

    897ec562859d63169407e6d4fa35d9cb00524f9c10e71c0aded9f818dfb410f75eeab264ef52876770946166d5a5cb9dda77d11d2f01ad9109eab905380a8377

  • SSDEEP

    98304:cL9MLJ4yT5nBpJLCTRLHuTMeBrhT8sCKfL71koak:I9SJ4yTnCtCAbspfvRak

Malware Config

Targets

    • Target

      4eb441c898f7cbd0ac987c2de038a7a0d8f29dd1f666ab558e6e59ba15fc5f79

    • Size

      4.2MB

    • MD5

      f1d4bdcbd90815a9819642714c4f5824

    • SHA1

      d4f316b64923cd3205f36f17d20a95d5a79069ff

    • SHA256

      4eb441c898f7cbd0ac987c2de038a7a0d8f29dd1f666ab558e6e59ba15fc5f79

    • SHA512

      897ec562859d63169407e6d4fa35d9cb00524f9c10e71c0aded9f818dfb410f75eeab264ef52876770946166d5a5cb9dda77d11d2f01ad9109eab905380a8377

    • SSDEEP

      98304:cL9MLJ4yT5nBpJLCTRLHuTMeBrhT8sCKfL71koak:I9SJ4yTnCtCAbspfvRak

    • Glupteba

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

    • Glupteba payload

    • Modifies Windows Firewall

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

2
T1082

Tasks