General

  • Target

    8d1f1605046b4f5989903aeb1970cab44da9b1e974e957e2459f0603f628b6f5

  • Size

    4.2MB

  • Sample

    240509-27g5yacd9x

  • MD5

    9f989ffbe8fb388c308d14f60461f382

  • SHA1

    140375d1f179625587f9ec069651aee33de1e0c7

  • SHA256

    8d1f1605046b4f5989903aeb1970cab44da9b1e974e957e2459f0603f628b6f5

  • SHA512

    684b1a3263b82daea54cc62cfd77c2e0c07551e88f3b08f4ad3c1535d910f60133b778f16540aabe6ebc2de6f6599f7a72af0072a0879dd8b1afac7e50834e18

  • SSDEEP

    98304:rZa2VZbCYsNXhwFqGw4s/ionP0i3VgMyn6gsfS:rYkZbZa6Fv+B3Vg99F

Malware Config

Targets

    • Target

      8d1f1605046b4f5989903aeb1970cab44da9b1e974e957e2459f0603f628b6f5

    • Size

      4.2MB

    • MD5

      9f989ffbe8fb388c308d14f60461f382

    • SHA1

      140375d1f179625587f9ec069651aee33de1e0c7

    • SHA256

      8d1f1605046b4f5989903aeb1970cab44da9b1e974e957e2459f0603f628b6f5

    • SHA512

      684b1a3263b82daea54cc62cfd77c2e0c07551e88f3b08f4ad3c1535d910f60133b778f16540aabe6ebc2de6f6599f7a72af0072a0879dd8b1afac7e50834e18

    • SSDEEP

      98304:rZa2VZbCYsNXhwFqGw4s/ionP0i3VgMyn6gsfS:rYkZbZa6Fv+B3Vg99F

    • 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