General

  • Target

    4b23d5fef10196d4762dace6e7156cb52e743788f96541f3d609dbed204219f6

  • Size

    4.0MB

  • Sample

    230220-t5lfksbf32

  • MD5

    78848d53017748f91b761cb78ccd1928

  • SHA1

    af9a014474101cb63658f48ab8108ed9985b9fc5

  • SHA256

    4b23d5fef10196d4762dace6e7156cb52e743788f96541f3d609dbed204219f6

  • SHA512

    26939ac6c74af1d569d830335cce023c681ed435dd2c602f280513b535f80159c05a23c45032df69b1577ff7cbc3a72a7447077e866d7637ec2c7a81efecf34e

  • SSDEEP

    98304:WMl1bCfev7JhW3xrkcITFff9vNIhakZJD/2+uwX74GlB:jjW3pkhFfFsakZJDuiL4GT

Malware Config

Targets

    • Target

      4b23d5fef10196d4762dace6e7156cb52e743788f96541f3d609dbed204219f6

    • Size

      4.0MB

    • MD5

      78848d53017748f91b761cb78ccd1928

    • SHA1

      af9a014474101cb63658f48ab8108ed9985b9fc5

    • SHA256

      4b23d5fef10196d4762dace6e7156cb52e743788f96541f3d609dbed204219f6

    • SHA512

      26939ac6c74af1d569d830335cce023c681ed435dd2c602f280513b535f80159c05a23c45032df69b1577ff7cbc3a72a7447077e866d7637ec2c7a81efecf34e

    • SSDEEP

      98304:WMl1bCfev7JhW3xrkcITFff9vNIhakZJD/2+uwX74GlB:jjW3pkhFfFsakZJDuiL4GT

    • 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.

    • 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

1
T1012

System Information Discovery

1
T1082

Tasks