General

  • Target

    JaffaCakes118_fe6cad6786c9baa0def488159be9fbdb1b149503688a612f6fc2006e79abc665

  • Size

    238KB

  • Sample

    241222-ct5xeazlhp

  • MD5

    f86417c2fd815b961531de373e216cb4

  • SHA1

    c469621501cf0b9f1dda7a6fa94ecbf715c32d92

  • SHA256

    fe6cad6786c9baa0def488159be9fbdb1b149503688a612f6fc2006e79abc665

  • SHA512

    9a2e75bb0f18989552226483952ce036796e08f9bb591e7c6c72cefdd638d4dc6fad1036be767cc7cc5da2828880e483a3e39a30f6210290e5d9148793e2b6de

  • SSDEEP

    6144:3SgA7fIyTlO/L/xYZen+7ITsq7igavwVf:3XA7fI2lO/L/xy79

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_fe6cad6786c9baa0def488159be9fbdb1b149503688a612f6fc2006e79abc665

    • Size

      238KB

    • MD5

      f86417c2fd815b961531de373e216cb4

    • SHA1

      c469621501cf0b9f1dda7a6fa94ecbf715c32d92

    • SHA256

      fe6cad6786c9baa0def488159be9fbdb1b149503688a612f6fc2006e79abc665

    • SHA512

      9a2e75bb0f18989552226483952ce036796e08f9bb591e7c6c72cefdd638d4dc6fad1036be767cc7cc5da2828880e483a3e39a30f6210290e5d9148793e2b6de

    • SSDEEP

      6144:3SgA7fIyTlO/L/xYZen+7ITsq7igavwVf:3XA7fI2lO/L/xy79

    • 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