General

  • Target

    486f8c0eaf278d80819fc4ac86050e43e5249f8c1dcdc44562356bf223fc038a

  • Size

    4.1MB

  • Sample

    240515-1fg57add86

  • MD5

    bfac71036495979e938ba4fb8a575bb4

  • SHA1

    46abc028d51cf0f47eba97abe94eb8e616a1c057

  • SHA256

    486f8c0eaf278d80819fc4ac86050e43e5249f8c1dcdc44562356bf223fc038a

  • SHA512

    ba9e37268f8f9f5079aa97d349e843b4e27aabe3b04a616a15d198ab76ea9a04bcda2d163df63c0c3b33926cd2113dda9e775094da5b7767c52e7d4ae399d45b

  • SSDEEP

    98304:p3dVJM4YCCzPiLhVkDuY8wHCBqfC7Z5TMHO1G88ghLAoF2P:9dVO4YCCzqLXkDuTwiBquCjgdAI2P

Malware Config

Targets

    • Target

      486f8c0eaf278d80819fc4ac86050e43e5249f8c1dcdc44562356bf223fc038a

    • Size

      4.1MB

    • MD5

      bfac71036495979e938ba4fb8a575bb4

    • SHA1

      46abc028d51cf0f47eba97abe94eb8e616a1c057

    • SHA256

      486f8c0eaf278d80819fc4ac86050e43e5249f8c1dcdc44562356bf223fc038a

    • SHA512

      ba9e37268f8f9f5079aa97d349e843b4e27aabe3b04a616a15d198ab76ea9a04bcda2d163df63c0c3b33926cd2113dda9e775094da5b7767c52e7d4ae399d45b

    • SSDEEP

      98304:p3dVJM4YCCzPiLhVkDuY8wHCBqfC7Z5TMHO1G88ghLAoF2P:9dVO4YCCzqLXkDuTwiBquCjgdAI2P

    • 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