Overview

overview

10

Static

static

38ff1ccc22...7d.exe

windows7_x64

10

38ff1ccc22...7d.exe

windows10_x64

10

Sharing

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General

  • Target
    38ff1ccc229dd0ee592d9bd47c4ec4fbcc418fb385d7dea4bd72d1120651cb7d
  • Size 11.3MB
  • Sample201112-w745d8hb22
  • SHA256 38ff1ccc229dd0ee592d9bd47c4ec4fbcc418fb385d7dea4bd72d1120651cb7d
  • MD5 SHA1 SHA512
Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Targets

    • Target
      38ff1ccc229dd0ee592d9bd47c4ec4fbcc418fb385d7dea4bd72d1120651cb7d
    • Size 11.3MB
    • SHA256 38ff1ccc229dd0ee592d9bd47c4ec4fbcc418fb385d7dea4bd72d1120651cb7d
    • 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