General

  • Target

    4a23a6c3308a3c17b2252c4272bd281bc286c8653ec69ba16b91ee36df85c775

  • Size

    4.1MB

  • Sample

    230331-yk6y1aec61

  • MD5

    d19110614d7333cb24a4563088a1d6a4

  • SHA1

    321c59f2ee475b964384d2ce05640ff3d34376cd

  • SHA256

    4a23a6c3308a3c17b2252c4272bd281bc286c8653ec69ba16b91ee36df85c775

  • SHA512

    cf66c0c974a70877bce866d81de9425e6ad6c77f127109da87add7f103d176b02a0866ab316ae90dab48992d088110748382221b16ca6b2278ac7f22aa1bf440

  • SSDEEP

    98304:dPWbmmQf6bYMIlp2fj7SK7VpaTBy675FsxVh5:5WbvQf6Eyfj7t7VpaTBJ5eVh5

Malware Config

Targets

    • Target

      4a23a6c3308a3c17b2252c4272bd281bc286c8653ec69ba16b91ee36df85c775

    • Size

      4.1MB

    • MD5

      d19110614d7333cb24a4563088a1d6a4

    • SHA1

      321c59f2ee475b964384d2ce05640ff3d34376cd

    • SHA256

      4a23a6c3308a3c17b2252c4272bd281bc286c8653ec69ba16b91ee36df85c775

    • SHA512

      cf66c0c974a70877bce866d81de9425e6ad6c77f127109da87add7f103d176b02a0866ab316ae90dab48992d088110748382221b16ca6b2278ac7f22aa1bf440

    • SSDEEP

      98304:dPWbmmQf6bYMIlp2fj7SK7VpaTBy675FsxVh5:5WbvQf6Eyfj7t7VpaTBJ5eVh5

    • Glupteba

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

    • Glupteba payload

    • Modifies Windows Firewall

    • Executes dropped EXE

    • 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.

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