General

  • Target

    39d8d866a867f40caa5860f7bc690589_JaffaCakes118

  • Size

    10.3MB

  • Sample

    241012-nyagvatbkn

  • MD5

    39d8d866a867f40caa5860f7bc690589

  • SHA1

    a574a87a19336154580ba778b9f8460ee28819c4

  • SHA256

    a7056eb421a643c05cf9efe13243ceb5616afbe32c22463fa31c28713a75f64c

  • SHA512

    c8c5be5ca4eb79f9bffff462b0260e494a5a4e267368be95f4f7d3df67de6df73777959722ae45d90dde2eacc331a5ddd542d5cdf8fbd644b9cf662397701409

  • SSDEEP

    49152:zGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGG+:

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      39d8d866a867f40caa5860f7bc690589_JaffaCakes118

    • Size

      10.3MB

    • MD5

      39d8d866a867f40caa5860f7bc690589

    • SHA1

      a574a87a19336154580ba778b9f8460ee28819c4

    • SHA256

      a7056eb421a643c05cf9efe13243ceb5616afbe32c22463fa31c28713a75f64c

    • SHA512

      c8c5be5ca4eb79f9bffff462b0260e494a5a4e267368be95f4f7d3df67de6df73777959722ae45d90dde2eacc331a5ddd542d5cdf8fbd644b9cf662397701409

    • SSDEEP

      49152:zGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGG+:

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • 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