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General

  • Target

    a01ad59b2de98c10546ff73fe50d0ca72552052bfcdad10f1ad3e7ce0edabb1b

  • Size

    4.1MB

  • Sample

    240411-bgfw3sbb6t

  • MD5

    6044f2f2262c0de494201f19a34ff55b

  • SHA1

    a24db8d1c20d09dbffb8ce2e93c7e8b280b59662

  • SHA256

    a01ad59b2de98c10546ff73fe50d0ca72552052bfcdad10f1ad3e7ce0edabb1b

  • SHA512

    c658f1410a13b3f10e3491dee772cdb0034345a301bcbd9deeefca24bec89b122d0bd87a70b782c75ecc7281dfd4f3eb30b0a3c54c4a528272e3d06c008df910

  • SSDEEP

    98304:65jqri2a9J7HBC+KfSL5CMfDRDx81TEeVsAtOgvsMz94:8jXJ7hCQfDRt81T/mABZ94

Malware Config

Targets

    • Target

      a01ad59b2de98c10546ff73fe50d0ca72552052bfcdad10f1ad3e7ce0edabb1b

    • Size

      4.1MB

    • MD5

      6044f2f2262c0de494201f19a34ff55b

    • SHA1

      a24db8d1c20d09dbffb8ce2e93c7e8b280b59662

    • SHA256

      a01ad59b2de98c10546ff73fe50d0ca72552052bfcdad10f1ad3e7ce0edabb1b

    • SHA512

      c658f1410a13b3f10e3491dee772cdb0034345a301bcbd9deeefca24bec89b122d0bd87a70b782c75ecc7281dfd4f3eb30b0a3c54c4a528272e3d06c008df910

    • SSDEEP

      98304:65jqri2a9J7HBC+KfSL5CMfDRDx81TEeVsAtOgvsMz94:8jXJ7hCQfDRt81T/mABZ94

    • 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