General

  • Target

    b62c39e9400f4c447b9d668adc94060b3001bbca4a746c1e4c8effa6817a7136

  • Size

    4.1MB

  • Sample

    240516-3xh5xsfc7t

  • MD5

    f761a48a7fdded4bf108ff4774866696

  • SHA1

    63ddcc4cc14ffa26d82baeb4095b524e2c2ec3cb

  • SHA256

    b62c39e9400f4c447b9d668adc94060b3001bbca4a746c1e4c8effa6817a7136

  • SHA512

    ba4b9caa31cc9dfb1214c19062bdee86dec23e62d97bbfebb2f5fc87ff044ed863a814cd7e06c29cb0bc6e10ede6efa5aa0106fbef14a058e85d60dfb954be68

  • SSDEEP

    98304:VOEQv7p1EKwgW7O4vptwZo6T+WO0dzEY6Kk7ob384km+FfOS:Vr2p15ulARrO0d7kw84IGS

Malware Config

Targets

    • Target

      b62c39e9400f4c447b9d668adc94060b3001bbca4a746c1e4c8effa6817a7136

    • Size

      4.1MB

    • MD5

      f761a48a7fdded4bf108ff4774866696

    • SHA1

      63ddcc4cc14ffa26d82baeb4095b524e2c2ec3cb

    • SHA256

      b62c39e9400f4c447b9d668adc94060b3001bbca4a746c1e4c8effa6817a7136

    • SHA512

      ba4b9caa31cc9dfb1214c19062bdee86dec23e62d97bbfebb2f5fc87ff044ed863a814cd7e06c29cb0bc6e10ede6efa5aa0106fbef14a058e85d60dfb954be68

    • SSDEEP

      98304:VOEQv7p1EKwgW7O4vptwZo6T+WO0dzEY6Kk7ob384km+FfOS:Vr2p15ulARrO0d7kw84IGS

    • Glupteba

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

    • Glupteba payload

    • Windows security bypass

    • Modifies boot configuration data using bcdedit

    • 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