General

  • Target

    JaffaCakes118_02c2f7c0aa319c0d657f13416f6b0ab894908dea1d5b8a8d861bca68987d01db

  • Size

    217KB

  • Sample

    241229-2jjnvsypbw

  • MD5

    edacf50354a9e6e50955d4d75dc9d3fc

  • SHA1

    e55be89d83db2c861881ea464a3bf6323b26c4f5

  • SHA256

    02c2f7c0aa319c0d657f13416f6b0ab894908dea1d5b8a8d861bca68987d01db

  • SHA512

    5cbbf27ac3faf2f065f0408abdee478433e0193872fbebcb46411b3fa8c625d84f44348e64aa1a2ceac2310dcd60941f0fad47d5d40475e2fccc6b13cfc6521b

  • SSDEEP

    3072:ShqCP0VOCAW/KEow57KVEXKS9H6U8bDCSQblkUlCyEaa:Ssb/KmXKEaU8QbfVE

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_02c2f7c0aa319c0d657f13416f6b0ab894908dea1d5b8a8d861bca68987d01db

    • Size

      217KB

    • MD5

      edacf50354a9e6e50955d4d75dc9d3fc

    • SHA1

      e55be89d83db2c861881ea464a3bf6323b26c4f5

    • SHA256

      02c2f7c0aa319c0d657f13416f6b0ab894908dea1d5b8a8d861bca68987d01db

    • SHA512

      5cbbf27ac3faf2f065f0408abdee478433e0193872fbebcb46411b3fa8c625d84f44348e64aa1a2ceac2310dcd60941f0fad47d5d40475e2fccc6b13cfc6521b

    • SSDEEP

      3072:ShqCP0VOCAW/KEow57KVEXKS9H6U8bDCSQblkUlCyEaa:Ssb/KmXKEaU8QbfVE

    • 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