General

  • Target

    a3f3b86b629eea6d88d62641b94d6b6a2d49d16ee85ec2a6710ea7a5fadb10f3

  • Size

    4.1MB

  • Sample

    230327-mqeadsfb41

  • MD5

    a46e627b6a82dc325860fecf504aa90f

  • SHA1

    b4e7cd7d2c4b2f3dba28520d9d99ee7b342a2872

  • SHA256

    a3f3b86b629eea6d88d62641b94d6b6a2d49d16ee85ec2a6710ea7a5fadb10f3

  • SHA512

    cd7535615b1718e5cbd3e519590c0214d04874613cf69c6551eb4856a8cbad1c6197e967ee29d12b8a9b6af006c1448151de61c4b1fafac71d6a662bdba77399

  • SSDEEP

    98304:qlUsq5/mFUy5W3l9xAhU+wp3o0ideZIOvfviQrMRto/4Sxf:aUB/mFUy5W3l8hM3oN4ZIbQrMRtsf

Malware Config

Targets

    • Target

      a3f3b86b629eea6d88d62641b94d6b6a2d49d16ee85ec2a6710ea7a5fadb10f3

    • Size

      4.1MB

    • MD5

      a46e627b6a82dc325860fecf504aa90f

    • SHA1

      b4e7cd7d2c4b2f3dba28520d9d99ee7b342a2872

    • SHA256

      a3f3b86b629eea6d88d62641b94d6b6a2d49d16ee85ec2a6710ea7a5fadb10f3

    • SHA512

      cd7535615b1718e5cbd3e519590c0214d04874613cf69c6551eb4856a8cbad1c6197e967ee29d12b8a9b6af006c1448151de61c4b1fafac71d6a662bdba77399

    • SSDEEP

      98304:qlUsq5/mFUy5W3l9xAhU+wp3o0ideZIOvfviQrMRto/4Sxf:aUB/mFUy5W3l8hM3oN4ZIbQrMRtsf

    • Glupteba

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

    • Glupteba payload

    • Windows security bypass

    • Modifies Windows Firewall

    • Executes dropped EXE

    • 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.

    • 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

Disabling Security Tools

2
T1089

Modify Registry

3
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Command and Control

Web Service

1
T1102

Tasks