General

  • Target

    99e4a377f10ea3bc6afc59c281e42842ce89e78364c463fc97b652a57b96c45e

  • Size

    4.2MB

  • Sample

    230607-a568hagg41

  • MD5

    3515619748bf893df9250390676c3ff6

  • SHA1

    f490080eb51f7a7947512a045aabb44feb1d0e94

  • SHA256

    99e4a377f10ea3bc6afc59c281e42842ce89e78364c463fc97b652a57b96c45e

  • SHA512

    af30aedc7ca29e363c93e8a451ed8f54e02a1128a8f9bab481e3aaa32ad9f32dbf8a88987a2d58f66ed3ddeff9e358d25cd45633da320218c8fe0aeadef1e4ac

  • SSDEEP

    98304:kfj1qqJsKF48d0lq1tWEW7hhcbSAW+/YMXAe530ShV2WySKl:o9a8dPCj3cbSm55002b/l

Malware Config

Targets

    • Target

      99e4a377f10ea3bc6afc59c281e42842ce89e78364c463fc97b652a57b96c45e

    • Size

      4.2MB

    • MD5

      3515619748bf893df9250390676c3ff6

    • SHA1

      f490080eb51f7a7947512a045aabb44feb1d0e94

    • SHA256

      99e4a377f10ea3bc6afc59c281e42842ce89e78364c463fc97b652a57b96c45e

    • SHA512

      af30aedc7ca29e363c93e8a451ed8f54e02a1128a8f9bab481e3aaa32ad9f32dbf8a88987a2d58f66ed3ddeff9e358d25cd45633da320218c8fe0aeadef1e4ac

    • SSDEEP

      98304:kfj1qqJsKF48d0lq1tWEW7hhcbSAW+/YMXAe530ShV2WySKl:o9a8dPCj3cbSm55002b/l

    • 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