General

  • Target

    JaffaCakes118_c077d664f953607162a99c61e05cd65110f848cbfcc4140ab6d0429fca29f0dc

  • Size

    157KB

  • Sample

    241229-js1pmaxjbs

  • MD5

    3bb0a31288d781001d33aeedf06dd8dc

  • SHA1

    981e01149abcd4418142f41758787cf91c97e9c5

  • SHA256

    c077d664f953607162a99c61e05cd65110f848cbfcc4140ab6d0429fca29f0dc

  • SHA512

    c0e8728c316b22fb7ac1e3fde375217240c9ac6f572c8af843f068cde53193534070a62484cbb504ece5e0f09a7d06256e2c940cf36a649741716b001d796c3d

  • SSDEEP

    1536:o7iZ6fjIz/BBE9T6WKPeazpJn1ro7PAak0Am4xz3eyfAQpCJyGUx8z6CDzMAOjM0:+EtUJfg0sz3Jt0JVNxDOI5R4T9

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_c077d664f953607162a99c61e05cd65110f848cbfcc4140ab6d0429fca29f0dc

    • Size

      157KB

    • MD5

      3bb0a31288d781001d33aeedf06dd8dc

    • SHA1

      981e01149abcd4418142f41758787cf91c97e9c5

    • SHA256

      c077d664f953607162a99c61e05cd65110f848cbfcc4140ab6d0429fca29f0dc

    • SHA512

      c0e8728c316b22fb7ac1e3fde375217240c9ac6f572c8af843f068cde53193534070a62484cbb504ece5e0f09a7d06256e2c940cf36a649741716b001d796c3d

    • SSDEEP

      1536:o7iZ6fjIz/BBE9T6WKPeazpJn1ro7PAak0Am4xz3eyfAQpCJyGUx8z6CDzMAOjM0:+EtUJfg0sz3Jt0JVNxDOI5R4T9

    • 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