General

  • Target

    JaffaCakes118_b94d0e8435e9f0dadb6f683f7eaf08ef0917aabd80ab0c5ae38296921bc6d566

  • Size

    300KB

  • Sample

    241224-k9jm4stmbz

  • MD5

    4189f2a27dfdbdc0424f4b04964a1cb1

  • SHA1

    276ccfa3cef69d41b4ae7dfca5ca170a90d5032a

  • SHA256

    b94d0e8435e9f0dadb6f683f7eaf08ef0917aabd80ab0c5ae38296921bc6d566

  • SHA512

    55fd82b856ffcf1c0c1febeda8ce04ae4893a84d8a0bfb617fca3fdd1090f667f43aeb569857913e7a0e1388b769dd77006926a6469c23f9b339f06a7d705355

  • SSDEEP

    6144:+X5T4tWtxqDstWhZxQxHdEXhG904J6KkE:+X5UtWCDstWhfQNdKhV40Kk

Malware Config

Extracted

Family

tofsee

C2

patmushta.info

parubey.info

Targets

    • Target

      JaffaCakes118_b94d0e8435e9f0dadb6f683f7eaf08ef0917aabd80ab0c5ae38296921bc6d566

    • Size

      300KB

    • MD5

      4189f2a27dfdbdc0424f4b04964a1cb1

    • SHA1

      276ccfa3cef69d41b4ae7dfca5ca170a90d5032a

    • SHA256

      b94d0e8435e9f0dadb6f683f7eaf08ef0917aabd80ab0c5ae38296921bc6d566

    • SHA512

      55fd82b856ffcf1c0c1febeda8ce04ae4893a84d8a0bfb617fca3fdd1090f667f43aeb569857913e7a0e1388b769dd77006926a6469c23f9b339f06a7d705355

    • SSDEEP

      6144:+X5T4tWtxqDstWhZxQxHdEXhG904J6KkE:+X5UtWCDstWhfQNdKhV40Kk

    • 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