General

  • Target

    875092d5da67df789b2b1e389427c26ece19a06dd0ece3fa9b835e66f88c5e97

  • Size

    4.1MB

  • Sample

    230328-22zg2afe2x

  • MD5

    b811c3bdd07fd4ed96960f3a66382411

  • SHA1

    7cd06ad5fef27a9785a71ec4f6e771cd2d43e6c3

  • SHA256

    875092d5da67df789b2b1e389427c26ece19a06dd0ece3fa9b835e66f88c5e97

  • SHA512

    402f9e918a51de50cc25550c5c7d90381aef6165775d5f70a79b3c5ed95170619dd30ccc0453a2287729e244d9fee8088e320e9d3c3fa61ccd8ac2d3c9b4aa9b

  • SSDEEP

    98304:oUdwLCQU4shpicxy6jtxBRMATIHJvkKrcghV3:oUudU4micxy6XvCv/V3

Malware Config

Targets

    • Target

      875092d5da67df789b2b1e389427c26ece19a06dd0ece3fa9b835e66f88c5e97

    • Size

      4.1MB

    • MD5

      b811c3bdd07fd4ed96960f3a66382411

    • SHA1

      7cd06ad5fef27a9785a71ec4f6e771cd2d43e6c3

    • SHA256

      875092d5da67df789b2b1e389427c26ece19a06dd0ece3fa9b835e66f88c5e97

    • SHA512

      402f9e918a51de50cc25550c5c7d90381aef6165775d5f70a79b3c5ed95170619dd30ccc0453a2287729e244d9fee8088e320e9d3c3fa61ccd8ac2d3c9b4aa9b

    • SSDEEP

      98304:oUdwLCQU4shpicxy6jtxBRMATIHJvkKrcghV3:oUudU4micxy6XvCv/V3

    • Glupteba

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

    • Glupteba payload

    • Windows security bypass

    • Modifies Windows Firewall

    • Executes dropped EXE

    • 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.

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

Tasks