Overview

overview

10

Static

static

3

0a0dd74c40...6f.exe

windows7-x64

10

0a0dd74c40...6f.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    0a0dd74c400e848fcf84d1217695746f.exe
  • Size 313KB
  • Sample230508-bg8bbsgd69
  • SHA256 27e3ed0b63c7aaf1cdef8ff971fdf5c60fbf4507ef55343096f94ff6feb5f516
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

  • tofsee

C2

  • vanaheim.cn

  • jotunheim.name

Targets

    • Target
      0a0dd74c400e848fcf84d1217695746f.exe
    • Size 313KB
    • SHA256 27e3ed0b63c7aaf1cdef8ff971fdf5c60fbf4507ef55343096f94ff6feb5f516
    • MD5 SHA1 SHA512 SSDEEP
    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

    • Modifies Windows Firewall

      evasion

    • Sets service image path in registry

      persistence

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks