General

  • Target

    e856a93a08f97a40c1e08805ceff132e_JaffaCakes118

  • Size

    14.3MB

  • Sample

    240918-e6qz5asgra

  • MD5

    e856a93a08f97a40c1e08805ceff132e

  • SHA1

    5e5834e448da4c412fc63e4b9d3fe3f4ac0bb0aa

  • SHA256

    ada1625907b9d1a90cb4ee844b69b9c66ea0c520bbf05c6a73e0812e435fa8da

  • SHA512

    791c044b02f574c2b84fae88cf60c7a2a085eba8bfc676d15d49aec499590aa238f8300dbab3c9bf28bbb12a7d9d88d07a34ab7d9d01b357e7cc23382b0d3e80

  • SSDEEP

    49152:bsOuBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBJ:bL

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      e856a93a08f97a40c1e08805ceff132e_JaffaCakes118

    • Size

      14.3MB

    • MD5

      e856a93a08f97a40c1e08805ceff132e

    • SHA1

      5e5834e448da4c412fc63e4b9d3fe3f4ac0bb0aa

    • SHA256

      ada1625907b9d1a90cb4ee844b69b9c66ea0c520bbf05c6a73e0812e435fa8da

    • SHA512

      791c044b02f574c2b84fae88cf60c7a2a085eba8bfc676d15d49aec499590aa238f8300dbab3c9bf28bbb12a7d9d88d07a34ab7d9d01b357e7cc23382b0d3e80

    • SSDEEP

      49152:bsOuBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBJ:bL

    • Tofsee

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

    • 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