General

  • Target

    1b150d45eb1b9507e4b232cd481bbac84a150dff5000794980a17760e1734292

  • Size

    4.1MB

  • Sample

    231010-1mvpvsdd7s

  • MD5

    dccb4ef6e90b3f4585db5290f4783ecd

  • SHA1

    a45838f52ec29612b21b44992b9ee3ff8f9a2fdb

  • SHA256

    1b150d45eb1b9507e4b232cd481bbac84a150dff5000794980a17760e1734292

  • SHA512

    d4a1a21a2a9dfac4b9edb78b2df97233fa8c6f24e988906964e67135d1a48259f2ccaf3402af4be48df64f2620f0e32451efe964b04b412e75b1a2dbea0bcf82

  • SSDEEP

    49152:kvvs6bgkKPFLz+yPjob5CC1GsZg828PJ+wmn4g4LQNHVzn+PX/UHHwA9mwiWCqHf:kvvsOKhr8wqcnXlHt+GHjq1yqzeqsR

Malware Config

Targets

    • Target

      1b150d45eb1b9507e4b232cd481bbac84a150dff5000794980a17760e1734292

    • Size

      4.1MB

    • MD5

      dccb4ef6e90b3f4585db5290f4783ecd

    • SHA1

      a45838f52ec29612b21b44992b9ee3ff8f9a2fdb

    • SHA256

      1b150d45eb1b9507e4b232cd481bbac84a150dff5000794980a17760e1734292

    • SHA512

      d4a1a21a2a9dfac4b9edb78b2df97233fa8c6f24e988906964e67135d1a48259f2ccaf3402af4be48df64f2620f0e32451efe964b04b412e75b1a2dbea0bcf82

    • SSDEEP

      49152:kvvs6bgkKPFLz+yPjob5CC1GsZg828PJ+wmn4g4LQNHVzn+PX/UHHwA9mwiWCqHf:kvvsOKhr8wqcnXlHt+GHjq1yqzeqsR

    • 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