General

  • Target

    c8a1c6ae1bc1d9f538accde0bece33c8feb58e062475fc7c066275ec1da4b0d7

  • Size

    4.2MB

  • Sample

    230607-pnawasah6s

  • MD5

    ac25d49dbfba143074cc8f3c94c66fc2

  • SHA1

    8cb43616ebe04dde99d6d9e1b69d0d84942d1cdd

  • SHA256

    c8a1c6ae1bc1d9f538accde0bece33c8feb58e062475fc7c066275ec1da4b0d7

  • SHA512

    b5d05ef8a8afd28e2d31de07f4ff3ab21308f203dc4cd67f8945a69c98f872fa8d3a50b03c0a32e197c2c860a548848cef02873691e2dab16ef156aae1a97c76

  • SSDEEP

    98304:3+ryqTX39hhVlc5LB/2OriIoNKDqzuQVp20mFyby/:3+fntQLB/2OfoNK2tmV

Malware Config

Targets

    • Target

      c8a1c6ae1bc1d9f538accde0bece33c8feb58e062475fc7c066275ec1da4b0d7

    • Size

      4.2MB

    • MD5

      ac25d49dbfba143074cc8f3c94c66fc2

    • SHA1

      8cb43616ebe04dde99d6d9e1b69d0d84942d1cdd

    • SHA256

      c8a1c6ae1bc1d9f538accde0bece33c8feb58e062475fc7c066275ec1da4b0d7

    • SHA512

      b5d05ef8a8afd28e2d31de07f4ff3ab21308f203dc4cd67f8945a69c98f872fa8d3a50b03c0a32e197c2c860a548848cef02873691e2dab16ef156aae1a97c76

    • SSDEEP

      98304:3+ryqTX39hhVlc5LB/2OriIoNKDqzuQVp20mFyby/:3+fntQLB/2OfoNK2tmV

    • 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