General

  • Target

    28c9f359048866a09d47e7af54929b71f1036e14a03bc137768118cab7a79ab1

  • Size

    4.1MB

  • Sample

    230607-3zk3asaa2s

  • MD5

    fc9774ac68cefbf8c3d89f44e1ecb0d0

  • SHA1

    66c885cdf03a50c8a18a925d11500eb50145bd00

  • SHA256

    28c9f359048866a09d47e7af54929b71f1036e14a03bc137768118cab7a79ab1

  • SHA512

    64a3dd1945e94ec4d4acf203652af9e185df57ea15a202a1974f272e33507986a77a39d52027ca630c15849372f3868b6e16fd9f4d8234690b9de63a0d5d8d1b

  • SSDEEP

    98304:X8GtT7KONvb9Pix2XoCrEsQYjOARBWTRZ/y7nROO:XHBTb9PiwXZgsnFBYRZ/kYO

Malware Config

Targets

    • Target

      28c9f359048866a09d47e7af54929b71f1036e14a03bc137768118cab7a79ab1

    • Size

      4.1MB

    • MD5

      fc9774ac68cefbf8c3d89f44e1ecb0d0

    • SHA1

      66c885cdf03a50c8a18a925d11500eb50145bd00

    • SHA256

      28c9f359048866a09d47e7af54929b71f1036e14a03bc137768118cab7a79ab1

    • SHA512

      64a3dd1945e94ec4d4acf203652af9e185df57ea15a202a1974f272e33507986a77a39d52027ca630c15849372f3868b6e16fd9f4d8234690b9de63a0d5d8d1b

    • SSDEEP

      98304:X8GtT7KONvb9Pix2XoCrEsQYjOARBWTRZ/y7nROO:XHBTb9PiwXZgsnFBYRZ/kYO

    • 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.

    • 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

Disabling Security Tools

2
T1089

Modify Registry

3
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Tasks