Overview

overview

10

Static

static

10

c37556c43f...51.exe

windows10-2004-x64

10

c37556c43f...51.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    c37556c43f554973600e08a3bbc2a41d67b814938cdc9c4aee819afe2aad9f51.bin
  • Size 13.3MB
  • Sample261104-nes5vadb74
  • SHA256 c37556c43f554973600e08a3bbc2a41d67b814938cdc9c4aee819afe2aad9f51
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
tofseedefense_evasiondiscoveryexecutionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

  • tofsee

C2

  • defeatwax.ru

  • refabyd.info

Targets

    • Target
      c37556c43f554973600e08a3bbc2a41d67b814938cdc9c4aee819afe2aad9f51.bin
    • Size 13.3MB
    • SHA256 c37556c43f554973600e08a3bbc2a41d67b814938cdc9c4aee819afe2aad9f51
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoveryexecutiontofseepersistenceprivilege_escalationtrojan

    • Family: Tofsee

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

      trojantofsee

    • Modifies Windows Firewall

      defense_evasion

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Creates new service(s)

      persistenceexecution

    • Executes dropped EXE

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks