General

  • Target

    JaffaCakes118_fd216da6145a26e20993ff3eb13cd76ede17cb1f6919bfad9054369c528c23c0

  • Size

    344KB

  • Sample

    241225-gxm8zszndl

  • MD5

    e4022343f6c7ef942cc533df3e78d5ed

  • SHA1

    b8983551fe88d4cba4bf7e0dc9f83714a5fc0a47

  • SHA256

    fd216da6145a26e20993ff3eb13cd76ede17cb1f6919bfad9054369c528c23c0

  • SHA512

    80ba74761c5b39471e558cdd9f7cf6ce8ad98f62d0b4518d5d49c145dfd7ae1b0409ab43e861ee8ae976bdc4f74d8f2edaaf80a02c6cf24dd0444d7f00044e02

  • SSDEEP

    6144:Ymm51OozxJmVvxcJbWQ1Jr9slONxR/iQNAyukonIYq:GjJmtq1WQ1JrCMZ/iQeZPp

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_fd216da6145a26e20993ff3eb13cd76ede17cb1f6919bfad9054369c528c23c0

    • Size

      344KB

    • MD5

      e4022343f6c7ef942cc533df3e78d5ed

    • SHA1

      b8983551fe88d4cba4bf7e0dc9f83714a5fc0a47

    • SHA256

      fd216da6145a26e20993ff3eb13cd76ede17cb1f6919bfad9054369c528c23c0

    • SHA512

      80ba74761c5b39471e558cdd9f7cf6ce8ad98f62d0b4518d5d49c145dfd7ae1b0409ab43e861ee8ae976bdc4f74d8f2edaaf80a02c6cf24dd0444d7f00044e02

    • SSDEEP

      6144:Ymm51OozxJmVvxcJbWQ1Jr9slONxR/iQNAyukonIYq:GjJmtq1WQ1JrCMZ/iQeZPp

    • 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