General

  • Target

    JaffaCakes118_045c130cc87e4f28d595ba4c453b22b1a5aee0880e7e470aa8376af489c999e9

  • Size

    254KB

  • Sample

    241229-nf6sbszpgp

  • MD5

    3f97e25b571e5b39c46248482468af0b

  • SHA1

    7292c6503bb2f0315d9bd02fa03703222e845aa6

  • SHA256

    045c130cc87e4f28d595ba4c453b22b1a5aee0880e7e470aa8376af489c999e9

  • SHA512

    66ed5364cc36688f9bb176cc0f8ff90040de30ea24a90ed159416a0353278d9252fea5bfee9e847b21e5724b4e91677602fd50b7a054c3eb45866efd0cbdbfde

  • SSDEEP

    6144:e2HFrM+PL3nRZnvwnZFVyOIauHn4HhV24q:hM+DnbvwnZjyOvDHhM4q

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_045c130cc87e4f28d595ba4c453b22b1a5aee0880e7e470aa8376af489c999e9

    • Size

      254KB

    • MD5

      3f97e25b571e5b39c46248482468af0b

    • SHA1

      7292c6503bb2f0315d9bd02fa03703222e845aa6

    • SHA256

      045c130cc87e4f28d595ba4c453b22b1a5aee0880e7e470aa8376af489c999e9

    • SHA512

      66ed5364cc36688f9bb176cc0f8ff90040de30ea24a90ed159416a0353278d9252fea5bfee9e847b21e5724b4e91677602fd50b7a054c3eb45866efd0cbdbfde

    • SSDEEP

      6144:e2HFrM+PL3nRZnvwnZFVyOIauHn4HhV24q:hM+DnbvwnZjyOvDHhM4q

    • 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