General

  • Target

    8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe

  • Size

    4.1MB

  • Sample

    240523-z8m2gahb69

  • MD5

    25de89bbcf1b6b2399eed745d966e8f0

  • SHA1

    9593b6a78f2769b83cc949afd0482b4b29f0d9e7

  • SHA256

    8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc

  • SHA512

    011c1785b918ef8f8091da67a8d37708df8103aa6da188f5a8c6b7cea3400e2c8012c3b2a7ec77adc1ab19aeb0c81554243fc424eabe1e815c327a0bf4147120

  • SSDEEP

    98304:wc7aFVXn+Lid2bryXaMbaClZg093y0sFFfdliBdP4:wX++d2b0aMbplZO0sFfS4

Malware Config

Targets

    • Target

      8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc.exe

    • Size

      4.1MB

    • MD5

      25de89bbcf1b6b2399eed745d966e8f0

    • SHA1

      9593b6a78f2769b83cc949afd0482b4b29f0d9e7

    • SHA256

      8cca34499207c9b0f3d710c4c0c5bd0c6a934003cd18754727274f2629ed62dc

    • SHA512

      011c1785b918ef8f8091da67a8d37708df8103aa6da188f5a8c6b7cea3400e2c8012c3b2a7ec77adc1ab19aeb0c81554243fc424eabe1e815c327a0bf4147120

    • SSDEEP

      98304:wc7aFVXn+Lid2bryXaMbaClZg093y0sFFfdliBdP4:wX++d2b0aMbplZO0sFfS4

    • 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

    • 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