General

  • Target

    f3615a826a17f76a936beb423b94465b_JaffaCakes118

  • Size

    13.6MB

  • Sample

    241215-lkfetszpat

  • MD5

    f3615a826a17f76a936beb423b94465b

  • SHA1

    2068b6d190eafc00f96a5a853cd2b457066942ae

  • SHA256

    242b45857eeb58a9c9b74475a921f96eb152699e0b8f67d98c5e6553affbc789

  • SHA512

    5d0e69efa747eaaabb629510006acadc5ac4ce3909e796bafffbf1d48ce08bae9ead3b1a7e5894e581ff9f3457b6b913ba11afd22dd74dfc1b6f0a324680c220

  • SSDEEP

    196608:4ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff3:

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      f3615a826a17f76a936beb423b94465b_JaffaCakes118

    • Size

      13.6MB

    • MD5

      f3615a826a17f76a936beb423b94465b

    • SHA1

      2068b6d190eafc00f96a5a853cd2b457066942ae

    • SHA256

      242b45857eeb58a9c9b74475a921f96eb152699e0b8f67d98c5e6553affbc789

    • SHA512

      5d0e69efa747eaaabb629510006acadc5ac4ce3909e796bafffbf1d48ce08bae9ead3b1a7e5894e581ff9f3457b6b913ba11afd22dd74dfc1b6f0a324680c220

    • SSDEEP

      196608:4ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff3:

    • 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