General

  • Target

    103341aab3e578acca36e26db9479dfb3f6a5f9336b50d679e97f8713ff41e98

  • Size

    4.2MB

  • Sample

    230607-mjemksab91

  • MD5

    4e1f79061d991664b7c983c73407fab7

  • SHA1

    80d147f2dbd1db93b34f49aee041e041e4dc4c0d

  • SHA256

    103341aab3e578acca36e26db9479dfb3f6a5f9336b50d679e97f8713ff41e98

  • SHA512

    07229e2874c52644cd6ee7f66062042802b5e9d72c5a85af0c20c5d1130bfb4e519b9fc19d73847544e94b3828cf80184505cbbf1069d3a667d103ea9dc0f269

  • SSDEEP

    98304:17cjpnWTod4g2pxfbBxBg9mIiQMFSS/eeWh4:l4pnQn9xB8w/epe

Malware Config

Targets

    • Target

      103341aab3e578acca36e26db9479dfb3f6a5f9336b50d679e97f8713ff41e98

    • Size

      4.2MB

    • MD5

      4e1f79061d991664b7c983c73407fab7

    • SHA1

      80d147f2dbd1db93b34f49aee041e041e4dc4c0d

    • SHA256

      103341aab3e578acca36e26db9479dfb3f6a5f9336b50d679e97f8713ff41e98

    • SHA512

      07229e2874c52644cd6ee7f66062042802b5e9d72c5a85af0c20c5d1130bfb4e519b9fc19d73847544e94b3828cf80184505cbbf1069d3a667d103ea9dc0f269

    • SSDEEP

      98304:17cjpnWTod4g2pxfbBxBg9mIiQMFSS/eeWh4:l4pnQn9xB8w/epe

    • Glupteba

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

    • Glupteba payload

    • Windows security bypass

    • Modifies Windows Firewall

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Windows security modification

    • 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

Disabling Security Tools

2
T1089

Modify Registry

3
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Tasks