General

  • Target

    aaf40981d6a04afce2b036eb98670a9d_JaffaCakes118

  • Size

    11.1MB

  • Sample

    241128-ewt9ss1ndk

  • MD5

    aaf40981d6a04afce2b036eb98670a9d

  • SHA1

    e202b436f978d78253f0287fc7d1597e4079d5b0

  • SHA256

    bbe7d154232e8e07dd0aeeaadca111e11bd6814ea2c3dc1d6926b7a6f2d58693

  • SHA512

    267c6496d78e0895a0afab297727b588a130493c92c9a578aedbda138562c2b009a56467fe06017f207396b9208c7c90cf6f3fe5d1f373b9e80cdf98bf39acc3

  • SSDEEP

    3072:trLSAaIXFM9X/WWIyOEfEDQMZWecFKmZ:9NWktyH9V

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      aaf40981d6a04afce2b036eb98670a9d_JaffaCakes118

    • Size

      11.1MB

    • MD5

      aaf40981d6a04afce2b036eb98670a9d

    • SHA1

      e202b436f978d78253f0287fc7d1597e4079d5b0

    • SHA256

      bbe7d154232e8e07dd0aeeaadca111e11bd6814ea2c3dc1d6926b7a6f2d58693

    • SHA512

      267c6496d78e0895a0afab297727b588a130493c92c9a578aedbda138562c2b009a56467fe06017f207396b9208c7c90cf6f3fe5d1f373b9e80cdf98bf39acc3

    • SSDEEP

      3072:trLSAaIXFM9X/WWIyOEfEDQMZWecFKmZ:9NWktyH9V

    • 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