General

  • Target

    JaffaCakes118_2bea218f0d953d560a19d8aff8dfb4cd37fefe12e969982fcb031a8ef5725213

  • Size

    305KB

  • Sample

    241230-ghl3daznft

  • MD5

    780293db2a4e08f93a62476e02d21f27

  • SHA1

    34263f7759ed4ee598240896339cbe4cac84624a

  • SHA256

    2bea218f0d953d560a19d8aff8dfb4cd37fefe12e969982fcb031a8ef5725213

  • SHA512

    ffa7f48a2dc62beb86f2bbd0e37c60a41d8dadf4222a2593bb9bb6171c5326be5008bf96d00d65cdaeeae2923d9a4c93bbc781ddfeaefe1992b1f41a94a1b65e

  • SSDEEP

    3072:VXYXu1MVDsY2mtCnIDqMKHf5pex3ElMFvlq17hZynkHIOE4Ru5TJftDunEvhtWGE:VX9MqYtcIA/5paGMFvlq7wRRtWhZl/7

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_2bea218f0d953d560a19d8aff8dfb4cd37fefe12e969982fcb031a8ef5725213

    • Size

      305KB

    • MD5

      780293db2a4e08f93a62476e02d21f27

    • SHA1

      34263f7759ed4ee598240896339cbe4cac84624a

    • SHA256

      2bea218f0d953d560a19d8aff8dfb4cd37fefe12e969982fcb031a8ef5725213

    • SHA512

      ffa7f48a2dc62beb86f2bbd0e37c60a41d8dadf4222a2593bb9bb6171c5326be5008bf96d00d65cdaeeae2923d9a4c93bbc781ddfeaefe1992b1f41a94a1b65e

    • SSDEEP

      3072:VXYXu1MVDsY2mtCnIDqMKHf5pex3ElMFvlq17hZynkHIOE4Ru5TJftDunEvhtWGE:VX9MqYtcIA/5paGMFvlq7wRRtWhZl/7

    • 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