General

  • Target

    56682ca9ad12536f6e53da6b2c02a72258996acd67b66ce1da12a16c694b2d83.exe

  • Size

    13.9MB

  • Sample

    241122-sbkfrasqcw

  • MD5

    ab0e948d4784415f90d8677e5f4c9d91

  • SHA1

    812b1354f35ed90d60aaa8c562db4380919f12ab

  • SHA256

    56682ca9ad12536f6e53da6b2c02a72258996acd67b66ce1da12a16c694b2d83

  • SHA512

    a42433ffe7cfcef3c5e3db9981f93dbc1a2a7fd2269764128ac30b3750fc020249ca70a11c975c1f7cc373ab8fb032e96a5b2ae07d55edb95c841df4e740929d

  • SSDEEP

    49152:1zPOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOX:1D

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      56682ca9ad12536f6e53da6b2c02a72258996acd67b66ce1da12a16c694b2d83.exe

    • Size

      13.9MB

    • MD5

      ab0e948d4784415f90d8677e5f4c9d91

    • SHA1

      812b1354f35ed90d60aaa8c562db4380919f12ab

    • SHA256

      56682ca9ad12536f6e53da6b2c02a72258996acd67b66ce1da12a16c694b2d83

    • SHA512

      a42433ffe7cfcef3c5e3db9981f93dbc1a2a7fd2269764128ac30b3750fc020249ca70a11c975c1f7cc373ab8fb032e96a5b2ae07d55edb95c841df4e740929d

    • SSDEEP

      49152:1zPOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOX:1D

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Tofsee family

    • Windows security bypass

    • Creates new service(s)

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks