General

  • Target

    JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00

  • Size

    146KB

  • Sample

    241227-bs3vzsxqer

  • MD5

    35d2e76123aacdc2f711476cdf0fafc0

  • SHA1

    9836b00a794764404d6b67d31f0108cb32bdd6ec

  • SHA256

    b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00

  • SHA512

    bcd513d186e8af75eeb350d62c2560efd59cc23018761936b2605f83921f39bac32cb5c052e380448eb35c372bd0f931a0338f1bef3ecbb93c2a0eba61ad290f

  • SSDEEP

    1536:yfISSdp/jPWfoqVxFY7VY0e4ahObF8OXkZh3uJp+Q7Jgz70J62CAWhJz:yFYpafoqZaLFLXkTqfPM2CA8Jz

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00

    • Size

      146KB

    • MD5

      35d2e76123aacdc2f711476cdf0fafc0

    • SHA1

      9836b00a794764404d6b67d31f0108cb32bdd6ec

    • SHA256

      b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00

    • SHA512

      bcd513d186e8af75eeb350d62c2560efd59cc23018761936b2605f83921f39bac32cb5c052e380448eb35c372bd0f931a0338f1bef3ecbb93c2a0eba61ad290f

    • SSDEEP

      1536:yfISSdp/jPWfoqVxFY7VY0e4ahObF8OXkZh3uJp+Q7Jgz70J62CAWhJz:yFYpafoqZaLFLXkTqfPM2CA8Jz

    • 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