General

  • Target

    JaffaCakes118_d8d16e6a3d74584f449401e39157dc1b788dc1d59ebab958aab95440a08a4d2c

  • Size

    211KB

  • Sample

    241223-s9nk3atncz

  • MD5

    cdfe1a0520846256701a835f7997200c

  • SHA1

    d70c426398a6de0e2cde8ebcac5bff1bd4dd2161

  • SHA256

    d8d16e6a3d74584f449401e39157dc1b788dc1d59ebab958aab95440a08a4d2c

  • SHA512

    7d67ec32def188bd799ce753801ce302f95aaeae9e587c48d94fde22fe0f7122091cccc3ed39271e2fa64667d0232dc1d2684547dc348bf257e94d5e4652f87e

  • SSDEEP

    3072:CzpWiQngo/AxJ9v12IJZEOixWoT3BCrz85p1bSTgUfrdGZPwYKB1F5NSlAhgC:CzpWgHxjhZZixnrUn8HWGVq1F5QC

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_d8d16e6a3d74584f449401e39157dc1b788dc1d59ebab958aab95440a08a4d2c

    • Size

      211KB

    • MD5

      cdfe1a0520846256701a835f7997200c

    • SHA1

      d70c426398a6de0e2cde8ebcac5bff1bd4dd2161

    • SHA256

      d8d16e6a3d74584f449401e39157dc1b788dc1d59ebab958aab95440a08a4d2c

    • SHA512

      7d67ec32def188bd799ce753801ce302f95aaeae9e587c48d94fde22fe0f7122091cccc3ed39271e2fa64667d0232dc1d2684547dc348bf257e94d5e4652f87e

    • SSDEEP

      3072:CzpWiQngo/AxJ9v12IJZEOixWoT3BCrz85p1bSTgUfrdGZPwYKB1F5NSlAhgC:CzpWgHxjhZZixnrUn8HWGVq1F5QC

    • 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