General

  • Target

    41e8b9938a61464ec824ab22b16b01904733ab47f7d8665dd3e5ad37197ca189

  • Size

    4.2MB

  • Sample

    230923-vlrnxsag83

  • MD5

    8142d38f3574ae4d2eedda3db3c22ef8

  • SHA1

    f861f9f31680f02c84df1c53e5c297bc34f0b5ba

  • SHA256

    41e8b9938a61464ec824ab22b16b01904733ab47f7d8665dd3e5ad37197ca189

  • SHA512

    6d35028acfe22dd038893ce5efa9bf6360363efd745edbfbe6dad47ed7fc794f57e728077b90688773bf2151c9d630a4f60e583b92845841748edf460c1d92b6

  • SSDEEP

    98304:X0NJcPwgVpnAhflow4DSidIjBMSPJ2c+HreHyKzaAu0qR2ds:SMAhflPidI1vPJ23SaAu9R2u

Malware Config

Targets

    • Target

      41e8b9938a61464ec824ab22b16b01904733ab47f7d8665dd3e5ad37197ca189

    • Size

      4.2MB

    • MD5

      8142d38f3574ae4d2eedda3db3c22ef8

    • SHA1

      f861f9f31680f02c84df1c53e5c297bc34f0b5ba

    • SHA256

      41e8b9938a61464ec824ab22b16b01904733ab47f7d8665dd3e5ad37197ca189

    • SHA512

      6d35028acfe22dd038893ce5efa9bf6360363efd745edbfbe6dad47ed7fc794f57e728077b90688773bf2151c9d630a4f60e583b92845841748edf460c1d92b6

    • SSDEEP

      98304:X0NJcPwgVpnAhflow4DSidIjBMSPJ2c+HreHyKzaAu0qR2ds:SMAhflPidI1vPJ23SaAu9R2u

    • Glupteba

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

    • Glupteba payload

    • Modifies Windows Firewall

    • Executes dropped EXE

    • 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 Enterprise v15

Tasks