General

  • Target

    769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c

  • Size

    4.1MB

  • Sample

    230329-t2jsksaf8t

  • MD5

    be3e4ff45023420855bca037e9a86548

  • SHA1

    8a7884f774084478ddf4075b84d7bc9f0ecf9cae

  • SHA256

    769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c

  • SHA512

    3d6b840ee3a93891cf6a6d6e940fb14e57e437d8d40bebc38e9b035733989be8d96674cff5a0e9fd7f739790d4bad03d67794705cf2ef51b60601cc2202dfccd

  • SSDEEP

    49152:Sl58oGO/1alm2ulPvxlN9PMJxgVhgiPuJNoBVnJx5s9+veMOJSWvTgrATlnsQCN:q+Ren2ulHxlrMJxgVhFnB95321JjU8dW

Malware Config

Targets

    • Target

      769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c

    • Size

      4.1MB

    • MD5

      be3e4ff45023420855bca037e9a86548

    • SHA1

      8a7884f774084478ddf4075b84d7bc9f0ecf9cae

    • SHA256

      769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c

    • SHA512

      3d6b840ee3a93891cf6a6d6e940fb14e57e437d8d40bebc38e9b035733989be8d96674cff5a0e9fd7f739790d4bad03d67794705cf2ef51b60601cc2202dfccd

    • SSDEEP

      49152:Sl58oGO/1alm2ulPvxlN9PMJxgVhgiPuJNoBVnJx5s9+veMOJSWvTgrATlnsQCN:q+Ren2ulHxlrMJxgVhFnB95321JjU8dW

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

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

Command and Control

Web Service

1
T1102

Tasks