General

  • Target

    JaffaCakes118_660de78e6fc321f5552b55f5882c1d51fff0128603c36db6a593169a4280c5c3

  • Size

    316KB

  • Sample

    241222-w66h9awkan

  • MD5

    a36560eec176852fed2d2d2e7f815968

  • SHA1

    574aedce9e329b3a5ede94ab347193e78e354287

  • SHA256

    660de78e6fc321f5552b55f5882c1d51fff0128603c36db6a593169a4280c5c3

  • SHA512

    aa99f43d3fd4e964860914641e38114dcc714434b5ee01163255117d35cb1ee39b13ad089cf61eddd5f79c88b7a7494fbeaa249b43b43dac3c35b40a0b2f0e4f

  • SSDEEP

    6144:B8L9y5vZxOx+UuYuwSEIITL6n93z37Hi5Aj:GOb8+UuYuwSEIITL6n9fHi

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_660de78e6fc321f5552b55f5882c1d51fff0128603c36db6a593169a4280c5c3

    • Size

      316KB

    • MD5

      a36560eec176852fed2d2d2e7f815968

    • SHA1

      574aedce9e329b3a5ede94ab347193e78e354287

    • SHA256

      660de78e6fc321f5552b55f5882c1d51fff0128603c36db6a593169a4280c5c3

    • SHA512

      aa99f43d3fd4e964860914641e38114dcc714434b5ee01163255117d35cb1ee39b13ad089cf61eddd5f79c88b7a7494fbeaa249b43b43dac3c35b40a0b2f0e4f

    • SSDEEP

      6144:B8L9y5vZxOx+UuYuwSEIITL6n93z37Hi5Aj:GOb8+UuYuwSEIITL6n9fHi

    • 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