General

  • Target

    JaffaCakes118_0e8701d6ce1c4bcd1cf5be02393fd780

  • Size

    10.2MB

  • Sample

    250106-e5b5ksyler

  • MD5

    0e8701d6ce1c4bcd1cf5be02393fd780

  • SHA1

    a4dcfd76ad6da9e6a4980e6970054490c95ed17a

  • SHA256

    4fed412becd301c9f805f9391c5c4d3c1c094516f5eb09ba82ea97e802759e78

  • SHA512

    09f6e1d07a76020c06b1817dcae26225273e47fde990596a49a4f6fa122e48f9b9dcaa9114f05cd74743d17dabd47afd7b108364fc3b56f38cfa6d701fa08a82

  • SSDEEP

    12288:EZv3F8h86NMcoGuc3FXE4WrIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIj:Ep3F8Au3FPW

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_0e8701d6ce1c4bcd1cf5be02393fd780

    • Size

      10.2MB

    • MD5

      0e8701d6ce1c4bcd1cf5be02393fd780

    • SHA1

      a4dcfd76ad6da9e6a4980e6970054490c95ed17a

    • SHA256

      4fed412becd301c9f805f9391c5c4d3c1c094516f5eb09ba82ea97e802759e78

    • SHA512

      09f6e1d07a76020c06b1817dcae26225273e47fde990596a49a4f6fa122e48f9b9dcaa9114f05cd74743d17dabd47afd7b108364fc3b56f38cfa6d701fa08a82

    • SSDEEP

      12288:EZv3F8h86NMcoGuc3FXE4WrIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIj:Ep3F8Au3FPW

    • 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