General

  • Target

    88c17f3f1763b8423d393baba1e9b4c7_JaffaCakes118

  • Size

    142KB

  • Sample

    240531-3q514saf45

  • MD5

    88c17f3f1763b8423d393baba1e9b4c7

  • SHA1

    c11443fcf1f4571548045b4b607dc28a8d0e01b8

  • SHA256

    1e2a56bfb27bbdef81f7fb668e42e104e0ac2503ee75710e0a057cec0c6df76e

  • SHA512

    81e61204ed87245c027097a948398675d0a42de3789fa0424046885fd87dcacfcff852163e215f2b9ac83578c3ad47f896363d0d843f1bef17a9b2051a998203

  • SSDEEP

    3072:ClHB+LO7fIsSSoJvnra4BcwfMq/eTW8q7k9f:h6foJDDBcwt/vS

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      88c17f3f1763b8423d393baba1e9b4c7_JaffaCakes118

    • Size

      142KB

    • MD5

      88c17f3f1763b8423d393baba1e9b4c7

    • SHA1

      c11443fcf1f4571548045b4b607dc28a8d0e01b8

    • SHA256

      1e2a56bfb27bbdef81f7fb668e42e104e0ac2503ee75710e0a057cec0c6df76e

    • SHA512

      81e61204ed87245c027097a948398675d0a42de3789fa0424046885fd87dcacfcff852163e215f2b9ac83578c3ad47f896363d0d843f1bef17a9b2051a998203

    • SSDEEP

      3072:ClHB+LO7fIsSSoJvnra4BcwfMq/eTW8q7k9f:h6foJDDBcwt/vS

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • 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