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General

  • Target

    06636999.exe

  • Size

    4.1MB

  • Sample

    230601-t8984sfd44

  • MD5

    7d1d825841795f49bb77bd1ede3208e2

  • SHA1

    3736c711181f6baca6f340dc4432f471144f3129

  • SHA256

    9f3b216641de727fecb2d723e2dda239dfdde4ea4d1b5d8bd454240fc0b60986

  • SHA512

    4dc2c76490307f61dcf6abfce59fb015759b3aaebc2ee08c3c471697809f8c77af12ab59d5d434a16f19c3f447779963653c6b28585e27d53868fcf06907de31

  • SSDEEP

    98304:PvF+L+Hrtl8j/q6zZki5Sh3H/UbW1VrKZo/2VXt:XFdaj1zZghX/NVj+xt

Malware Config

Targets

    • Target

      06636999.exe

    • Size

      4.1MB

    • MD5

      7d1d825841795f49bb77bd1ede3208e2

    • SHA1

      3736c711181f6baca6f340dc4432f471144f3129

    • SHA256

      9f3b216641de727fecb2d723e2dda239dfdde4ea4d1b5d8bd454240fc0b60986

    • SHA512

      4dc2c76490307f61dcf6abfce59fb015759b3aaebc2ee08c3c471697809f8c77af12ab59d5d434a16f19c3f447779963653c6b28585e27d53868fcf06907de31

    • SSDEEP

      98304:PvF+L+Hrtl8j/q6zZki5Sh3H/UbW1VrKZo/2VXt:XFdaj1zZghX/NVj+xt

    • 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 v6

Tasks