General

  • Target

    JaffaCakes118_3c520498147ae370021f45ec0b819740a38d19437efd990cfb529a9a02210a55

  • Size

    281KB

  • Sample

    241222-a74kdswrar

  • MD5

    2840d22a020bc638ed748b3c1358e0fe

  • SHA1

    cc3aa1f4f2bedb979c5d1f94b3cbcce3eead5bc8

  • SHA256

    3c520498147ae370021f45ec0b819740a38d19437efd990cfb529a9a02210a55

  • SHA512

    c5987b6b3454ac5a17fca6df1246b9678d9c387aabd422827d2d7cd95bc6a3ae33b9743f7ef9f8a78ae07c1e07650e3911ce0aaf4a05a3a978e3e55ac90a7898

  • SSDEEP

    6144:aozHI8/57wH+3eTnl7QQriROhxxpeTr/ekI:3HP/57wH+urlcQrXzxp6L

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_3c520498147ae370021f45ec0b819740a38d19437efd990cfb529a9a02210a55

    • Size

      281KB

    • MD5

      2840d22a020bc638ed748b3c1358e0fe

    • SHA1

      cc3aa1f4f2bedb979c5d1f94b3cbcce3eead5bc8

    • SHA256

      3c520498147ae370021f45ec0b819740a38d19437efd990cfb529a9a02210a55

    • SHA512

      c5987b6b3454ac5a17fca6df1246b9678d9c387aabd422827d2d7cd95bc6a3ae33b9743f7ef9f8a78ae07c1e07650e3911ce0aaf4a05a3a978e3e55ac90a7898

    • SSDEEP

      6144:aozHI8/57wH+3eTnl7QQriROhxxpeTr/ekI:3HP/57wH+urlcQrXzxp6L

    • 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