General

  • Target

    a447869d741851df40abfe5d72f39fdd3fdbd9c61d15b0145e33e9e5f4a53821

  • Size

    4.0MB

  • Sample

    230221-vf35rsfe73

  • MD5

    0271bc5ecbfd6c9dd118c62d65d005eb

  • SHA1

    aacc135d8b2ddaab9536dd767d9149da502d39f5

  • SHA256

    a447869d741851df40abfe5d72f39fdd3fdbd9c61d15b0145e33e9e5f4a53821

  • SHA512

    d792b5e3e5fb3ca3de39b53dc6a29eb74c7251378c9288ce1372362b4ab01d7c0cc026a94a3a22daea8608b41f20e61998c3907e506a44c99806b2133d855729

  • SSDEEP

    98304:krwFQ7rbj38ljcSEC+VwnOxOrpk6M4EdwD:krwFQ3GcSAVgOxkOSD

Malware Config

Targets

    • Target

      a447869d741851df40abfe5d72f39fdd3fdbd9c61d15b0145e33e9e5f4a53821

    • Size

      4.0MB

    • MD5

      0271bc5ecbfd6c9dd118c62d65d005eb

    • SHA1

      aacc135d8b2ddaab9536dd767d9149da502d39f5

    • SHA256

      a447869d741851df40abfe5d72f39fdd3fdbd9c61d15b0145e33e9e5f4a53821

    • SHA512

      d792b5e3e5fb3ca3de39b53dc6a29eb74c7251378c9288ce1372362b4ab01d7c0cc026a94a3a22daea8608b41f20e61998c3907e506a44c99806b2133d855729

    • SSDEEP

      98304:krwFQ7rbj38ljcSEC+VwnOxOrpk6M4EdwD:krwFQ3GcSAVgOxkOSD

    • 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.

    • 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

Tasks