General

  • Target

    87d551f87d6578c4e385493cdfcce666c65947f53d502ef5c557f446d802506d

  • Size

    4.2MB

  • Sample

    230607-mm6kgahf55

  • MD5

    3d2a6ba9e5e78df22e097a4a368ac732

  • SHA1

    fbc90fb673740a574ad25f199c6cb864ff4cd159

  • SHA256

    87d551f87d6578c4e385493cdfcce666c65947f53d502ef5c557f446d802506d

  • SHA512

    0638bf96f090e9d07252a8994eac383f127da2e6c48754eb6b92748babc8db1325f3a85e52f5ec08fc8f28125dd3480813e10b01ef6af01a95b8539261254355

  • SSDEEP

    98304:17cjpnWTod4g2pxfbBxBg9mIiQMFSS/eeWhB:l4pnQn9xB8w/epz

Malware Config

Targets

    • Target

      87d551f87d6578c4e385493cdfcce666c65947f53d502ef5c557f446d802506d

    • Size

      4.2MB

    • MD5

      3d2a6ba9e5e78df22e097a4a368ac732

    • SHA1

      fbc90fb673740a574ad25f199c6cb864ff4cd159

    • SHA256

      87d551f87d6578c4e385493cdfcce666c65947f53d502ef5c557f446d802506d

    • SHA512

      0638bf96f090e9d07252a8994eac383f127da2e6c48754eb6b92748babc8db1325f3a85e52f5ec08fc8f28125dd3480813e10b01ef6af01a95b8539261254355

    • SSDEEP

      98304:17cjpnWTod4g2pxfbBxBg9mIiQMFSS/eeWhB:l4pnQn9xB8w/epz

    • 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.

    • Drops file in System32 directory

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