Overview

overview

10

Static

static

73b0253705...a9.exe

windows7_x64

10

73b0253705...a9.exe

windows10_x64

10

Sharing

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General

  • Target
    73b0253705c67bb95b5290a9e682b96eff9f4585f9d867f791f8f6886c58c1a9
  • Size 13.8MB
  • Sample201114-llbs67tmvx
  • SHA256 73b0253705c67bb95b5290a9e682b96eff9f4585f9d867f791f8f6886c58c1a9
  • MD5 SHA1 SHA512
Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Targets

    • Target
      73b0253705c67bb95b5290a9e682b96eff9f4585f9d867f791f8f6886c58c1a9
    • Size 13.8MB
    • SHA256 73b0253705c67bb95b5290a9e682b96eff9f4585f9d867f791f8f6886c58c1a9
    • 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