General

  • Target

    JaffaCakes118_b91cadcdb2de363ca86892d7ff8976eebc3caf201eaf17677e7813ab28dcca50

  • Size

    157KB

  • Sample

    241221-z1yg8szngj

  • MD5

    8006480396403ecdc3dfba652f72625e

  • SHA1

    2bd56d6ced8bbc55eabe903e40b0f379588a17ff

  • SHA256

    b91cadcdb2de363ca86892d7ff8976eebc3caf201eaf17677e7813ab28dcca50

  • SHA512

    c6a579c80c91b6ee7e08872b8c2f8c4d469e7ab53e67c1270920b0e3006c9ebf0ad77c9dba7ba05857f060bf15de2f4c22a618b874fc35363c0d9446d1a59290

  • SSDEEP

    3072:gSxItjItvER8RAVljfk7PwaKhp3iyqH5+:dIG1S8AfzFaAy

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_b91cadcdb2de363ca86892d7ff8976eebc3caf201eaf17677e7813ab28dcca50

    • Size

      157KB

    • MD5

      8006480396403ecdc3dfba652f72625e

    • SHA1

      2bd56d6ced8bbc55eabe903e40b0f379588a17ff

    • SHA256

      b91cadcdb2de363ca86892d7ff8976eebc3caf201eaf17677e7813ab28dcca50

    • SHA512

      c6a579c80c91b6ee7e08872b8c2f8c4d469e7ab53e67c1270920b0e3006c9ebf0ad77c9dba7ba05857f060bf15de2f4c22a618b874fc35363c0d9446d1a59290

    • SSDEEP

      3072:gSxItjItvER8RAVljfk7PwaKhp3iyqH5+:dIG1S8AfzFaAy

    • 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