General

  • Target

    JaffaCakes118_798ae701056c5af507b179f0be77b7ee4148f3d1b12cf20758dd13cf0c5708bb

  • Size

    211KB

  • Sample

    241229-gve5lavlfq

  • MD5

    ffffbcff20fb800fd3f9eead8cc301d6

  • SHA1

    8107208c9d533b474c2ada975607857445bb4b25

  • SHA256

    798ae701056c5af507b179f0be77b7ee4148f3d1b12cf20758dd13cf0c5708bb

  • SHA512

    ee99f55075f9597d3bebf79ff6fbd80ab002c3d730e050c6d579a90855e1af7ce6850238d2579c58c5d6f610df4fcb025c4c5411b3e2bd8ff9dd1a467d70ef13

  • SSDEEP

    3072:UXbDiQngH/AxJ9M12IJZ2L088qxwuqH/pxAATTgmsrZrZPwpVWLQhgC:UXbBgYxjaZ2LJhCBxOHryWQ

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_798ae701056c5af507b179f0be77b7ee4148f3d1b12cf20758dd13cf0c5708bb

    • Size

      211KB

    • MD5

      ffffbcff20fb800fd3f9eead8cc301d6

    • SHA1

      8107208c9d533b474c2ada975607857445bb4b25

    • SHA256

      798ae701056c5af507b179f0be77b7ee4148f3d1b12cf20758dd13cf0c5708bb

    • SHA512

      ee99f55075f9597d3bebf79ff6fbd80ab002c3d730e050c6d579a90855e1af7ce6850238d2579c58c5d6f610df4fcb025c4c5411b3e2bd8ff9dd1a467d70ef13

    • SSDEEP

      3072:UXbDiQngH/AxJ9M12IJZ2L088qxwuqH/pxAATTgmsrZrZPwpVWLQhgC:UXbBgYxjaZ2LJhCBxOHryWQ

    • 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