General

  • Target

    c3fbf531176436d05ad6b8b7cdf00a5b6c0f45e7c4b8af6c85829d172e14f1f6

  • Size

    4.2MB

  • Sample

    230607-pnw4jaad74

  • MD5

    6e2214b4dc89fd5b15cd54d13208fe2f

  • SHA1

    ce6b22eb779091c8bf1da50885c51cd911dcf7d0

  • SHA256

    c3fbf531176436d05ad6b8b7cdf00a5b6c0f45e7c4b8af6c85829d172e14f1f6

  • SHA512

    490e154f78bf82bebd4ca8581a8cbbfef75836560bc42be099e4acf588d5b18751a6bab91dc1c6b6d6614bd9cc4f4c969e60faf3be430ecf114ead850846ca10

  • SSDEEP

    98304:3+ryqTX39hhVlc5LB/2OriIoNKDqzuQVp20mFybyz:3+fntQLB/2OfoNK2tmN

Malware Config

Targets

    • Target

      c3fbf531176436d05ad6b8b7cdf00a5b6c0f45e7c4b8af6c85829d172e14f1f6

    • Size

      4.2MB

    • MD5

      6e2214b4dc89fd5b15cd54d13208fe2f

    • SHA1

      ce6b22eb779091c8bf1da50885c51cd911dcf7d0

    • SHA256

      c3fbf531176436d05ad6b8b7cdf00a5b6c0f45e7c4b8af6c85829d172e14f1f6

    • SHA512

      490e154f78bf82bebd4ca8581a8cbbfef75836560bc42be099e4acf588d5b18751a6bab91dc1c6b6d6614bd9cc4f4c969e60faf3be430ecf114ead850846ca10

    • SSDEEP

      98304:3+ryqTX39hhVlc5LB/2OriIoNKDqzuQVp20mFybyz:3+fntQLB/2OfoNK2tmN

    • 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