Resubmissions

31-12-2022 16:51

221231-vdaqfaaa33 8

31-12-2022 16:42

221231-t7syfaaa24 8

31-12-2022 16:30

221231-tz265shh92 8

General

  • Target

    GLP_installer_1000218456_market.exe

  • Size

    3.6MB

  • Sample

    221231-vdaqfaaa33

  • MD5

    a0a25bdacd989feb80f73dfccd8c37bc

  • SHA1

    0eb7a30e7315594465e01ea42e103161e55087c0

  • SHA256

    74591a60abf83dcc096f4495f1b8bc031aaaca4a276644d0134ca7505cb1ec53

  • SHA512

    e71239fbf84e59747777080ffe988555d62cb2f5474064887742df10832682ac76f5112c531d9811318dc0a7ee810750149a6fc7e27082c8dd784680c507e0e7

  • SSDEEP

    49152:v08OhxtUg9OUi82w6aQp9dgS1GUL38XhCOYc3iJXe9emEPGKOPkQThMYRMnm7LBd:v08vdsGaQNgS1C6e6ngKpqh

Malware Config

Targets

    • Target

      GLP_installer_1000218456_market.exe

    • Size

      3.6MB

    • MD5

      a0a25bdacd989feb80f73dfccd8c37bc

    • SHA1

      0eb7a30e7315594465e01ea42e103161e55087c0

    • SHA256

      74591a60abf83dcc096f4495f1b8bc031aaaca4a276644d0134ca7505cb1ec53

    • SHA512

      e71239fbf84e59747777080ffe988555d62cb2f5474064887742df10832682ac76f5112c531d9811318dc0a7ee810750149a6fc7e27082c8dd784680c507e0e7

    • SSDEEP

      49152:v08OhxtUg9OUi82w6aQp9dgS1GUL38XhCOYc3iJXe9emEPGKOPkQThMYRMnm7LBd:v08vdsGaQNgS1C6e6ngKpqh

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

    • Suspicious use of NtCreateThreadExHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks