General

  • Target

    JaffaCakes118_e71b8af014065f8c886c55d96b0227f78a68a5aa8c48419d5e448c880ab68296

  • Size

    167KB

  • Sample

    241223-yvnkeazlcs

  • MD5

    0cb3adec3ce1faebbab29888915f9636

  • SHA1

    b623842bf207b9b44bb61340ee9cae53f3b4ad3c

  • SHA256

    e71b8af014065f8c886c55d96b0227f78a68a5aa8c48419d5e448c880ab68296

  • SHA512

    11ae399105d1a097dc502e138dfbfac854e61c2ad5db28777dee1dea9697aab0a26a2f5c80d4c081d9fc35e41716e1d7d36f510e465c885f9317f15e60aa9321

  • SSDEEP

    3072:VcaRIAtq6Fvn49EZ8kwu25gnvju1WIasBW/S9H6dY3:21Atq6a9sv3/Ead

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_e71b8af014065f8c886c55d96b0227f78a68a5aa8c48419d5e448c880ab68296

    • Size

      167KB

    • MD5

      0cb3adec3ce1faebbab29888915f9636

    • SHA1

      b623842bf207b9b44bb61340ee9cae53f3b4ad3c

    • SHA256

      e71b8af014065f8c886c55d96b0227f78a68a5aa8c48419d5e448c880ab68296

    • SHA512

      11ae399105d1a097dc502e138dfbfac854e61c2ad5db28777dee1dea9697aab0a26a2f5c80d4c081d9fc35e41716e1d7d36f510e465c885f9317f15e60aa9321

    • SSDEEP

      3072:VcaRIAtq6Fvn49EZ8kwu25gnvju1WIasBW/S9H6dY3:21Atq6a9sv3/Ead

    • 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