General

  • Target

    400b4a664dfa0cdff46a0d1a9067ca6144b196c19e8b26b2362a534be9a435fa

  • Size

    4.1MB

  • Sample

    230608-acwlasaa51

  • MD5

    13f67cb6e1deec0c669d8989072d9c4d

  • SHA1

    12382906ddcfdfb00a11c510134a55217f248a88

  • SHA256

    400b4a664dfa0cdff46a0d1a9067ca6144b196c19e8b26b2362a534be9a435fa

  • SHA512

    128444478f7ef38d99a0244ac39d19fbb15b822ebcf9d7d0045691334982a971716f1f7bd36ed6bafb5f4161eba37ae2a739d912e3af8d4f22bf603290a33866

  • SSDEEP

    98304:f8GtT7KONvb9Pix2XoCrEsQYjOARBWTRZ/y7nROe:fHBTb9PiwXZgsnFBYRZ/kYe

Malware Config

Targets

    • Target

      400b4a664dfa0cdff46a0d1a9067ca6144b196c19e8b26b2362a534be9a435fa

    • Size

      4.1MB

    • MD5

      13f67cb6e1deec0c669d8989072d9c4d

    • SHA1

      12382906ddcfdfb00a11c510134a55217f248a88

    • SHA256

      400b4a664dfa0cdff46a0d1a9067ca6144b196c19e8b26b2362a534be9a435fa

    • SHA512

      128444478f7ef38d99a0244ac39d19fbb15b822ebcf9d7d0045691334982a971716f1f7bd36ed6bafb5f4161eba37ae2a739d912e3af8d4f22bf603290a33866

    • SSDEEP

      98304:f8GtT7KONvb9Pix2XoCrEsQYjOARBWTRZ/y7nROe:fHBTb9PiwXZgsnFBYRZ/kYe

    • Glupteba

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

    • Glupteba payload

    • Modifies Windows Firewall

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

2
T1082

Tasks