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General

  • Target

    31839b57a4f11171d6abc8bbc4451ee4.exe

  • Size

    4.1MB

  • Sample

    231012-q1rv1see73

  • MD5

    637f73095de9f62dc6fcfbe9b3f6d3d6

  • SHA1

    708771d9413e7df69189d2a0c283ec72bd63d99e

  • SHA256

    6a678e471f24d7560be7cda7a49a34b4f0c2cb279b779984e5f002be3dfacf1d

  • SHA512

    00d4d05c7b894d4c52dcbc75d555c76f966defed1934747ffe4a29d8dc1b426fad021a02a5e221dd583ac86d67661a6b9cddde13ad1465546439f52ed567aeb5

  • SSDEEP

    98304:WTF3/yifTDOs5MvtF5aDUw1VUT2eh5Xz8ME4AwzfxrJ39J5BatN7SrR:k36sDXaf5tw1VUTLXYBefdzITOrR

Malware Config

Targets

    • Target

      31839b57a4f11171d6abc8bbc4451ee4.exe

    • Size

      4.1MB

    • MD5

      637f73095de9f62dc6fcfbe9b3f6d3d6

    • SHA1

      708771d9413e7df69189d2a0c283ec72bd63d99e

    • SHA256

      6a678e471f24d7560be7cda7a49a34b4f0c2cb279b779984e5f002be3dfacf1d

    • SHA512

      00d4d05c7b894d4c52dcbc75d555c76f966defed1934747ffe4a29d8dc1b426fad021a02a5e221dd583ac86d67661a6b9cddde13ad1465546439f52ed567aeb5

    • SSDEEP

      98304:WTF3/yifTDOs5MvtF5aDUw1VUT2eh5Xz8ME4AwzfxrJ39J5BatN7SrR:k36sDXaf5tw1VUTLXYBefdzITOrR

    • 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