General

  • Target

    JaffaCakes118_eb23d0babff0e507c1dcf8ba4c6763626972fbcd7a3d18d6408a57063ff841ad

  • Size

    147KB

  • Sample

    241229-jrg6wswrf1

  • MD5

    8c9037ef39252b830c9f423eb5893543

  • SHA1

    080ad0e6b966ff4a1eac5ff53bcd9f6204b2c75e

  • SHA256

    eb23d0babff0e507c1dcf8ba4c6763626972fbcd7a3d18d6408a57063ff841ad

  • SHA512

    9652f12291b3604f2202f8436ed0de6faa746cfb0bfb01500a749d337b3c950dd71aa828e45458e1b07737b8547a6aad10507b33bb0bc3a94dfdc7e7000c6162

  • SSDEEP

    3072:3b60anGsBzXDU0eSPafOWI5DnrcPI1ZeNPDEZYz:3bvantBrDUdJfZIcPI10Dea

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_eb23d0babff0e507c1dcf8ba4c6763626972fbcd7a3d18d6408a57063ff841ad

    • Size

      147KB

    • MD5

      8c9037ef39252b830c9f423eb5893543

    • SHA1

      080ad0e6b966ff4a1eac5ff53bcd9f6204b2c75e

    • SHA256

      eb23d0babff0e507c1dcf8ba4c6763626972fbcd7a3d18d6408a57063ff841ad

    • SHA512

      9652f12291b3604f2202f8436ed0de6faa746cfb0bfb01500a749d337b3c950dd71aa828e45458e1b07737b8547a6aad10507b33bb0bc3a94dfdc7e7000c6162

    • SSDEEP

      3072:3b60anGsBzXDU0eSPafOWI5DnrcPI1ZeNPDEZYz:3bvantBrDUdJfZIcPI10Dea

    • 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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks