General

  • Target

    JaffaCakes118_6ceb9a72d32552da5885593938dca574bf043d6f39ee5443e2803dfcfae5f18d

  • Size

    136KB

  • Sample

    241225-a75gpasmey

  • MD5

    a1746af01bdd96219bdfc0a44b5825b1

  • SHA1

    82fdd3deb8414b3fd0c5c01a16d8a84488e21c2d

  • SHA256

    6ceb9a72d32552da5885593938dca574bf043d6f39ee5443e2803dfcfae5f18d

  • SHA512

    976ab91a304d4cbe65676b545281758414f0e042ee4fffa124100d11683a0acec6630df81286c1c9578f0dda78af6a96bb782f6c1b5fea79444ad99423e7ddd4

  • SSDEEP

    3072:0aDZxXySmDW/dHWHNHm3aDWD57ulk9mY5:0aFxCRuHWZmNs

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_6ceb9a72d32552da5885593938dca574bf043d6f39ee5443e2803dfcfae5f18d

    • Size

      136KB

    • MD5

      a1746af01bdd96219bdfc0a44b5825b1

    • SHA1

      82fdd3deb8414b3fd0c5c01a16d8a84488e21c2d

    • SHA256

      6ceb9a72d32552da5885593938dca574bf043d6f39ee5443e2803dfcfae5f18d

    • SHA512

      976ab91a304d4cbe65676b545281758414f0e042ee4fffa124100d11683a0acec6630df81286c1c9578f0dda78af6a96bb782f6c1b5fea79444ad99423e7ddd4

    • SSDEEP

      3072:0aDZxXySmDW/dHWHNHm3aDWD57ulk9mY5:0aFxCRuHWZmNs

    • 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