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General

  • Target

    JaffaCakes118_fd14ab99b55fcea1192cc29f821fb3a98ca553e337501e63a7cb60d345747e41

  • Size

    287KB

  • Sample

    241226-1a3jya1lfv

  • MD5

    dd7144f014d58bf5de980c0476d61dd3

  • SHA1

    c6d2f048115642dff1dbc44d23f8474151120457

  • SHA256

    fd14ab99b55fcea1192cc29f821fb3a98ca553e337501e63a7cb60d345747e41

  • SHA512

    d39aaaa2f8f478c3c9d16f0600d28f4b593f2efceb597656285a26d8332ffe1babfff2a4704a1ea9839ceb88ec821f5ff9fdaee259668e2bc7a3b6c6c5538789

  • SSDEEP

    3072:mJZLEYc2tTaOjoQkzlzBFsfTnu0ay/MCYbCD+1G4mkl0zXi9qZwWLnrYKopn1m5J:m/LEsaOjoflzbwTRhD6fljqyWDsR

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_fd14ab99b55fcea1192cc29f821fb3a98ca553e337501e63a7cb60d345747e41

    • Size

      287KB

    • MD5

      dd7144f014d58bf5de980c0476d61dd3

    • SHA1

      c6d2f048115642dff1dbc44d23f8474151120457

    • SHA256

      fd14ab99b55fcea1192cc29f821fb3a98ca553e337501e63a7cb60d345747e41

    • SHA512

      d39aaaa2f8f478c3c9d16f0600d28f4b593f2efceb597656285a26d8332ffe1babfff2a4704a1ea9839ceb88ec821f5ff9fdaee259668e2bc7a3b6c6c5538789

    • SSDEEP

      3072:mJZLEYc2tTaOjoQkzlzBFsfTnu0ay/MCYbCD+1G4mkl0zXi9qZwWLnrYKopn1m5J:m/LEsaOjoflzbwTRhD6fljqyWDsR

    • 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