General

  • Target

    f341a49386ec2b702dbbdd39d5010b9c1b8742d678864844f0012b3e4ee6a8cb

  • Size

    4.1MB

  • Sample

    240315-a63xgaec76

  • MD5

    72c5c455824eb7c3791ed917541e22cf

  • SHA1

    c4168eb84e3e48650bc6742256d290a81c98d9b9

  • SHA256

    f341a49386ec2b702dbbdd39d5010b9c1b8742d678864844f0012b3e4ee6a8cb

  • SHA512

    d0015dea74a704fb2c5268e4d8a7cfb57d57e24c5dbb6f57480b06827bc1ce1efa419e57b811562b028e2614521763d18993ce415092b4139d2960fc07c93c8c

  • SSDEEP

    98304:XfoZjwaqLS9kJMOnAKemjlsux99jgxBERa1fbjFmM+dfPY:XQjwJpM4AK9sunxgxag1fbvB

Malware Config

Targets

    • Target

      f341a49386ec2b702dbbdd39d5010b9c1b8742d678864844f0012b3e4ee6a8cb

    • Size

      4.1MB

    • MD5

      72c5c455824eb7c3791ed917541e22cf

    • SHA1

      c4168eb84e3e48650bc6742256d290a81c98d9b9

    • SHA256

      f341a49386ec2b702dbbdd39d5010b9c1b8742d678864844f0012b3e4ee6a8cb

    • SHA512

      d0015dea74a704fb2c5268e4d8a7cfb57d57e24c5dbb6f57480b06827bc1ce1efa419e57b811562b028e2614521763d18993ce415092b4139d2960fc07c93c8c

    • SSDEEP

      98304:XfoZjwaqLS9kJMOnAKemjlsux99jgxBERa1fbjFmM+dfPY:XQjwJpM4AK9sunxgxag1fbvB

    • Glupteba

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

    • Glupteba payload

    • Windows security bypass

    • Detects Windows executables referencing non-Windows User-Agents

    • Detects executables Discord URL observed in first stage droppers

    • Detects executables containing URLs to raw contents of a Github gist

    • Detects executables containing artifacts associated with disabling Widnows Defender

    • Detects executables referencing many varying, potentially fake Windows User-Agents

    • Modifies boot configuration data using bcdedit

    • UPX dump on OEP (original entry point)

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Possible attempt to disable PatchGuard

      Rootkits can use kernel patching to embed themselves in an operating system.

    • Executes dropped EXE

    • Loads dropped DLL

    • 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 WinMon driver.

      Roottkits write to WinMon to hide PIDs from being detected.

    • 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