General

  • Target

    JaffaCakes118_4c681413678d6527aaf91c2076ad2751ed04844363d496688de68c14529d184a

  • Size

    285KB

  • Sample

    241225-1nhfxsyrhk

  • MD5

    eb0b11f7105206a3e7b2ad98b7a9fbf4

  • SHA1

    bb314c002e1485eae7a44af5f6f0508161be8f8b

  • SHA256

    4c681413678d6527aaf91c2076ad2751ed04844363d496688de68c14529d184a

  • SHA512

    dd7af74ca4383110df6c67598fa3294579f42cc8fe4e9ff85d357d632bc23bdff86a40c18ef6e3706fe1a090e08d763f325afbf92dff16ce3888b68c48bdd951

  • SSDEEP

    6144:C2FMBDEA1/ABFbOM56KUCf/w8lv/IZu5F:C2FMBDB1/YbOcUm/5IZur

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_4c681413678d6527aaf91c2076ad2751ed04844363d496688de68c14529d184a

    • Size

      285KB

    • MD5

      eb0b11f7105206a3e7b2ad98b7a9fbf4

    • SHA1

      bb314c002e1485eae7a44af5f6f0508161be8f8b

    • SHA256

      4c681413678d6527aaf91c2076ad2751ed04844363d496688de68c14529d184a

    • SHA512

      dd7af74ca4383110df6c67598fa3294579f42cc8fe4e9ff85d357d632bc23bdff86a40c18ef6e3706fe1a090e08d763f325afbf92dff16ce3888b68c48bdd951

    • SSDEEP

      6144:C2FMBDEA1/ABFbOM56KUCf/w8lv/IZu5F:C2FMBDB1/YbOcUm/5IZur

    • 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