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General

  • Target

    2024-07-05_faf4a13294c9eb15a32a66ddff1cd0b8_virlock

  • Size

    242KB

  • Sample

    240705-qwxkps1hne

  • MD5

    faf4a13294c9eb15a32a66ddff1cd0b8

  • SHA1

    18dc43f42d13880b13d8459c76a0bedee2b86a54

  • SHA256

    958a79dfb26cb0548fa6b48e66b6c826350733a331c77d885ddee2503e2a8ede

  • SHA512

    315f709f7c38ca0e723e7fc8ed0e0292f1262e020a682a9b7d01cd7ef3652259d963c94e8293faada8f2e086fe55c79388f41796e1e9d3f3003556401ae45a1c

  • SSDEEP

    6144:LjuolgBD6TtaqF73V3b9M5r8YWnWiZ8llW:3uoA6TtaqF7tbm5XWnTZCW

Malware Config

Targets

    • Target

      2024-07-05_faf4a13294c9eb15a32a66ddff1cd0b8_virlock

    • Size

      242KB

    • MD5

      faf4a13294c9eb15a32a66ddff1cd0b8

    • SHA1

      18dc43f42d13880b13d8459c76a0bedee2b86a54

    • SHA256

      958a79dfb26cb0548fa6b48e66b6c826350733a331c77d885ddee2503e2a8ede

    • SHA512

      315f709f7c38ca0e723e7fc8ed0e0292f1262e020a682a9b7d01cd7ef3652259d963c94e8293faada8f2e086fe55c79388f41796e1e9d3f3003556401ae45a1c

    • SSDEEP

      6144:LjuolgBD6TtaqF73V3b9M5r8YWnWiZ8llW:3uoA6TtaqF7tbm5XWnTZCW

    • Modifies visibility of file extensions in Explorer

    • UAC bypass

    • Renames multiple (82) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks