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General

  • Target

    Trojan-Ransom.Win32.Blocker.ivbx-eb6d8fc63554f3f02119dcf03ba021451f9ee21c63c8075111299709ac144d6b

  • Size

    802KB

  • Sample

    221107-e5tpmabbap

  • MD5

    2558f8a8234fc3e4db65a9c412d437b7

  • SHA1

    972875b6ed00a202e0bb525cd5a9e6a7bef27322

  • SHA256

    eb6d8fc63554f3f02119dcf03ba021451f9ee21c63c8075111299709ac144d6b

  • SHA512

    a764bf045386a3f4ad10160714db7f8a7be227bf88a54e33da09e43cb1200c18898376b4f71a1499214c43492ff0c15c072d28452e1b261275631d78e6fa42ab

  • SSDEEP

    1536:+EfFNvtgmAl7z5dKY6yuJPW8K43w9NXOM1aRl/i6JWT0S9yXnBibnouy8gHn2JX:+YLmGO4W849NXO9RlK6gOxiDouto2N

Malware Config

Targets

    • Target

      Trojan-Ransom.Win32.Blocker.ivbx-eb6d8fc63554f3f02119dcf03ba021451f9ee21c63c8075111299709ac144d6b

    • Size

      802KB

    • MD5

      2558f8a8234fc3e4db65a9c412d437b7

    • SHA1

      972875b6ed00a202e0bb525cd5a9e6a7bef27322

    • SHA256

      eb6d8fc63554f3f02119dcf03ba021451f9ee21c63c8075111299709ac144d6b

    • SHA512

      a764bf045386a3f4ad10160714db7f8a7be227bf88a54e33da09e43cb1200c18898376b4f71a1499214c43492ff0c15c072d28452e1b261275631d78e6fa42ab

    • SSDEEP

      1536:+EfFNvtgmAl7z5dKY6yuJPW8K43w9NXOM1aRl/i6JWT0S9yXnBibnouy8gHn2JX:+YLmGO4W849NXO9RlK6gOxiDouto2N

    • Modifies firewall policy service

    • Modifies security service

    • Modifies visibility of file extensions in Explorer

    • Modifies visiblity of hidden/system files in Explorer

    • UAC bypass

    • Windows security bypass

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Sets file execution options in registry

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Windows security modification

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks