General

  • Target

    JaffaCakes118_5fe6bb381e5905ea9bd0baf3378a0a569e31b28e8e3919a95faa1c7c1f708323

  • Size

    238KB

  • Sample

    241226-3ste4avqhp

  • MD5

    b2fa4e2d6fa858be14ff3f823b7f76fb

  • SHA1

    608a467bfe20c69e2878c8df74017b6649a965af

  • SHA256

    5fe6bb381e5905ea9bd0baf3378a0a569e31b28e8e3919a95faa1c7c1f708323

  • SHA512

    44a13f9e38f1f54cb7dd1bb428f6a5ef7584a471ed2cf72f68662dcc1af1b1acf5b6711dd0ae465b11a60024055b20353ccd3f6b3389130726917c0877415999

  • SSDEEP

    3072:67QHNeYxb1NIHOQcm01jxD52D87Cg2G+yP70iVggjcGkNIVqI7sxkgaBChMpZa96:fNeWb3u29xD8XGxPl7ITsq7igavwVf

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_5fe6bb381e5905ea9bd0baf3378a0a569e31b28e8e3919a95faa1c7c1f708323

    • Size

      238KB

    • MD5

      b2fa4e2d6fa858be14ff3f823b7f76fb

    • SHA1

      608a467bfe20c69e2878c8df74017b6649a965af

    • SHA256

      5fe6bb381e5905ea9bd0baf3378a0a569e31b28e8e3919a95faa1c7c1f708323

    • SHA512

      44a13f9e38f1f54cb7dd1bb428f6a5ef7584a471ed2cf72f68662dcc1af1b1acf5b6711dd0ae465b11a60024055b20353ccd3f6b3389130726917c0877415999

    • SSDEEP

      3072:67QHNeYxb1NIHOQcm01jxD52D87Cg2G+yP70iVggjcGkNIVqI7sxkgaBChMpZa96:fNeWb3u29xD8XGxPl7ITsq7igavwVf

    • 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