General

  • Target

    7db77a1a5e4ba41c7a7703b75c929b64f69729c35158ec48e858d5dcc4fb3cd8

  • Size

    4.1MB

  • Sample

    230620-11n48sfg7x

  • MD5

    353585b04e56cd28eef408898e4f111f

  • SHA1

    6609299a15c53072d9b0a830d64678bb0d6b0045

  • SHA256

    7db77a1a5e4ba41c7a7703b75c929b64f69729c35158ec48e858d5dcc4fb3cd8

  • SHA512

    30646a0e466574122553b7edb35b0759ea9533a98dff76f4688453084e93a1e33b374b812ee4e20084b2938d372f3c8efdf5b6809b3e7a796af2231b89194425

  • SSDEEP

    98304:GRRu7JlHIqCfORsvc+0by6a+tN8vWZ2P1VDRDL5tTNz7i:GRQtlo9WJCqN8vgI11zW

Malware Config

Targets

    • Target

      7db77a1a5e4ba41c7a7703b75c929b64f69729c35158ec48e858d5dcc4fb3cd8

    • Size

      4.1MB

    • MD5

      353585b04e56cd28eef408898e4f111f

    • SHA1

      6609299a15c53072d9b0a830d64678bb0d6b0045

    • SHA256

      7db77a1a5e4ba41c7a7703b75c929b64f69729c35158ec48e858d5dcc4fb3cd8

    • SHA512

      30646a0e466574122553b7edb35b0759ea9533a98dff76f4688453084e93a1e33b374b812ee4e20084b2938d372f3c8efdf5b6809b3e7a796af2231b89194425

    • SSDEEP

      98304:GRRu7JlHIqCfORsvc+0by6a+tN8vWZ2P1VDRDL5tTNz7i:GRQtlo9WJCqN8vgI11zW

    • 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