General

  • Target

    fdf33bcaac18604051afb04b0b52416f_JaffaCakes118

  • Size

    13.5MB

  • Sample

    240420-3zhxyadg9t

  • MD5

    fdf33bcaac18604051afb04b0b52416f

  • SHA1

    3a125b929ebaea43caf9700fa589d2329e38d019

  • SHA256

    1cfae1204e52198353fa94fd41d6d3496a316735d98f334eb300becdd837d90d

  • SHA512

    bd26dcdfcaa2d61498610613d5e8ca67699f234db3b906a6c982e957474c315e5cff30f9701692c0746eb8d0fab336f9f5a14cb3ffe21569004283599aad75f5

  • SSDEEP

    6144:m2BxZXDsssssssssssssssssssssssssssssssssssssssssssssssssssssssss:m4V

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      fdf33bcaac18604051afb04b0b52416f_JaffaCakes118

    • Size

      13.5MB

    • MD5

      fdf33bcaac18604051afb04b0b52416f

    • SHA1

      3a125b929ebaea43caf9700fa589d2329e38d019

    • SHA256

      1cfae1204e52198353fa94fd41d6d3496a316735d98f334eb300becdd837d90d

    • SHA512

      bd26dcdfcaa2d61498610613d5e8ca67699f234db3b906a6c982e957474c315e5cff30f9701692c0746eb8d0fab336f9f5a14cb3ffe21569004283599aad75f5

    • SSDEEP

      6144:m2BxZXDsssssssssssssssssssssssssssssssssssssssssssssssssssssssss:m4V

    • 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