General

  • Target

    JaffaCakes118_5a3a8646e50046d8f4c0ccb2a9619a89d6f0106820b809e458ea48c16b6048b4

  • Size

    164KB

  • Sample

    241229-dp7e4s1kcv

  • MD5

    55589556956e20067beacfc7f91f1214

  • SHA1

    fdc38166363828321c4385dba80eeb0464f57618

  • SHA256

    5a3a8646e50046d8f4c0ccb2a9619a89d6f0106820b809e458ea48c16b6048b4

  • SHA512

    8012acbb678ff4ed847e3729f286c1ee82b978a7765ddcfad7370b22909620bb6bfd93770aeba24787a125d559f12e02c95494fed7158473cb57aca50d305107

  • SSDEEP

    3072:b1u4aoikSqnB8VsNbIvuPypJB5LViiP0aGCyS9H6l:bA4ViK8iWvuPbJEa

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_5a3a8646e50046d8f4c0ccb2a9619a89d6f0106820b809e458ea48c16b6048b4

    • Size

      164KB

    • MD5

      55589556956e20067beacfc7f91f1214

    • SHA1

      fdc38166363828321c4385dba80eeb0464f57618

    • SHA256

      5a3a8646e50046d8f4c0ccb2a9619a89d6f0106820b809e458ea48c16b6048b4

    • SHA512

      8012acbb678ff4ed847e3729f286c1ee82b978a7765ddcfad7370b22909620bb6bfd93770aeba24787a125d559f12e02c95494fed7158473cb57aca50d305107

    • SSDEEP

      3072:b1u4aoikSqnB8VsNbIvuPypJB5LViiP0aGCyS9H6l:bA4ViK8iWvuPbJEa

    • 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