General

  • Target

    27ccf91d838586c5b744ef0342e8ff1a112c7227b4cabb73f75a9f3670dabeb9

  • Size

    4.2MB

  • Sample

    230607-pt8phsae68

  • MD5

    3e9d9049854bafb6839907a38003ae1c

  • SHA1

    c1bf66046d62fd88ec4298d1d68721bc0a6fe2fd

  • SHA256

    27ccf91d838586c5b744ef0342e8ff1a112c7227b4cabb73f75a9f3670dabeb9

  • SHA512

    fb7f60e3dc0da6836791d505ef9735ffce54a80665b7f9d982f3f2cb37d35920645118ef9d5bf2cc35a8b216014774cbee485bbf5a6ad4ac3d9c41c1e33ed86c

  • SSDEEP

    98304:3+ryqTX39hhVlc5LB/2OriIoNKDqzuQVp20mFybya:3+fntQLB/2OfoNK2tms

Malware Config

Targets

    • Target

      27ccf91d838586c5b744ef0342e8ff1a112c7227b4cabb73f75a9f3670dabeb9

    • Size

      4.2MB

    • MD5

      3e9d9049854bafb6839907a38003ae1c

    • SHA1

      c1bf66046d62fd88ec4298d1d68721bc0a6fe2fd

    • SHA256

      27ccf91d838586c5b744ef0342e8ff1a112c7227b4cabb73f75a9f3670dabeb9

    • SHA512

      fb7f60e3dc0da6836791d505ef9735ffce54a80665b7f9d982f3f2cb37d35920645118ef9d5bf2cc35a8b216014774cbee485bbf5a6ad4ac3d9c41c1e33ed86c

    • SSDEEP

      98304:3+ryqTX39hhVlc5LB/2OriIoNKDqzuQVp20mFybya:3+fntQLB/2OfoNK2tms

    • 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