General

  • Target

    JaffaCakes118_ae2f76e83ece5b39129921f8e40b8e860822c07f6bc9bcb950243ff642f1836c

  • Size

    239KB

  • Sample

    241230-1gwd7szmar

  • MD5

    fb89b14c589d0cb97cc349d6a9002b7a

  • SHA1

    5d347475e2737d740061979ecd788a0979defa4a

  • SHA256

    ae2f76e83ece5b39129921f8e40b8e860822c07f6bc9bcb950243ff642f1836c

  • SHA512

    805d48657b5b76dc0b322965be359c24a3a8a98b7e71fa9977275641fd157b4ca35157ed4dbe041af81dbcc0a754217b8c3a57443678357f423cdbd4589c8977

  • SSDEEP

    3072:r8/qMLtEomgzIQ2UChf60a777yx5ZI8iJQjNcxmy6gwH7pgyuwdt:r8CHoLztEhfDI8KGNcFwH4wX

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_ae2f76e83ece5b39129921f8e40b8e860822c07f6bc9bcb950243ff642f1836c

    • Size

      239KB

    • MD5

      fb89b14c589d0cb97cc349d6a9002b7a

    • SHA1

      5d347475e2737d740061979ecd788a0979defa4a

    • SHA256

      ae2f76e83ece5b39129921f8e40b8e860822c07f6bc9bcb950243ff642f1836c

    • SHA512

      805d48657b5b76dc0b322965be359c24a3a8a98b7e71fa9977275641fd157b4ca35157ed4dbe041af81dbcc0a754217b8c3a57443678357f423cdbd4589c8977

    • SSDEEP

      3072:r8/qMLtEomgzIQ2UChf60a777yx5ZI8iJQjNcxmy6gwH7pgyuwdt:r8CHoLztEhfDI8KGNcFwH4wX

    • 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