General

  • Target

    JaffaCakes118_85c64a1eb4c5c0cd9a5d2a53bbec5616

  • Size

    12.2MB

  • Sample

    250105-c1rclaylat

  • MD5

    85c64a1eb4c5c0cd9a5d2a53bbec5616

  • SHA1

    fddc3bfdb09fa48de605b9607671c0ecc5ea6a3a

  • SHA256

    e8642c02dea577bb9c4db1d767f1028aa52e25b86c90369ada17a32c9b8c9974

  • SHA512

    16297cf27f2cfed4eb203ad12bb409a1a1c45e03d9bd6c539d7a15f102d3c1fd2cc5c8e263db97c6dbf5d2d240c81889cd8092d40495da6eb0822552f4e8b5fe

  • SSDEEP

    6144:8M0Em6Qk5N3ScccccccccccccccccccccccccccccccccccccccccccccccccccM:yEma

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      JaffaCakes118_85c64a1eb4c5c0cd9a5d2a53bbec5616

    • Size

      12.2MB

    • MD5

      85c64a1eb4c5c0cd9a5d2a53bbec5616

    • SHA1

      fddc3bfdb09fa48de605b9607671c0ecc5ea6a3a

    • SHA256

      e8642c02dea577bb9c4db1d767f1028aa52e25b86c90369ada17a32c9b8c9974

    • SHA512

      16297cf27f2cfed4eb203ad12bb409a1a1c45e03d9bd6c539d7a15f102d3c1fd2cc5c8e263db97c6dbf5d2d240c81889cd8092d40495da6eb0822552f4e8b5fe

    • SSDEEP

      6144:8M0Em6Qk5N3ScccccccccccccccccccccccccccccccccccccccccccccccccccM:yEma

    • 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