Overview

overview

10

Static

static

31cb64ef1d...b6.exe

windows7_x64

10

31cb64ef1d...b6.exe

windows10_x64

10

Sharing

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General

  • Target
    31cb64ef1d88afe811a1692a597574b6
  • Size 13.5MB
  • Sample201117-gkel14cdqn
  • SHA256 f836f31e2b4b471fbd6d28871bf6727e7e49897b8dd1c762b326b7fa7869f3bb
  • MD5 SHA1 SHA512
Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Targets

    • Target
      31cb64ef1d88afe811a1692a597574b6
    • Size 13.5MB
    • SHA256 f836f31e2b4b471fbd6d28871bf6727e7e49897b8dd1c762b326b7fa7869f3bb
    • MD5 SHA1 SHA512
    Score
    10/10
    tofseeevasionpersistencetrojan

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

      trojantofsee

    • Windows security bypass

      evasiontrojan

    • Creates new service(s)

      persistence

    • Executes dropped EXE

    • Modifies Windows Firewall

      evasion

    • Sets service image path in registry

      persistence

    • Deletes itself

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Modifies service

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks