General

  • Target

    JaffaCakes118_0bca46b194fbec1a66fd4ab15ada451391d18768be02b5dec4d18eb2a32e5832

  • Size

    165KB

  • Sample

    241223-wac7tswnfl

  • MD5

    eda8ef4ef88c28ae99753670669cb75c

  • SHA1

    782f44532a57ab15a38700d8effa6ee91329119e

  • SHA256

    0bca46b194fbec1a66fd4ab15ada451391d18768be02b5dec4d18eb2a32e5832

  • SHA512

    c8ce8416f4df3d49875acd4048881e7256eddfb27d787f51117d91f6376e04b2bf34446fba7ea9a86494d0f24a68a897ab94e68bbb9481c1869c6b794cb8f899

  • SSDEEP

    3072:yHecR8524Pj42v7XoL/d4TcTyB9rmqk88RgZA/72:TcR024PDTXm2B9Zk8kgZAK

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_0bca46b194fbec1a66fd4ab15ada451391d18768be02b5dec4d18eb2a32e5832

    • Size

      165KB

    • MD5

      eda8ef4ef88c28ae99753670669cb75c

    • SHA1

      782f44532a57ab15a38700d8effa6ee91329119e

    • SHA256

      0bca46b194fbec1a66fd4ab15ada451391d18768be02b5dec4d18eb2a32e5832

    • SHA512

      c8ce8416f4df3d49875acd4048881e7256eddfb27d787f51117d91f6376e04b2bf34446fba7ea9a86494d0f24a68a897ab94e68bbb9481c1869c6b794cb8f899

    • SSDEEP

      3072:yHecR8524Pj42v7XoL/d4TcTyB9rmqk88RgZA/72:TcR024PDTXm2B9Zk8kgZAK

    • 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