Analysis by: Maria Emreen Viray
 

Trojan:Win32/Emotetcrypt.GI!MTB (MICROSOFT)

 Plate-forme:

Windows

 Overall Risk:
 Dommages potentiels: :
 Distribution potentielle: :
 reportedInfection:
 Information Exposure Rating::
Faible
Medium
Élevé
Critique

  • Type de grayware:
    Trojan Spy

  • Destructif:
    Non

  • Chiffrement:
     

  • In the wild::
    Oui

  Overview

It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

  Détails techniques

File size: 258,560 bytes
File type: DLL
Memory resident: Oui
Date de réception des premiers échantillons: 19 novembre 2021

Übertragungsdetails

It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Installation

Schleust die folgenden Eigenkopien in das betroffene System ein:

  • If executed without administrative rights:
    • %AppDataLocal%\{random characters}\{random characters}.{3 random characters}
  • If executed with administrative rights:
    • %System%\{random characters}\{random characters}.{3 random characters}

(Hinweis: %System% ist der Windows Systemordner. Er lautet in der Regel C:\Windows\System unter Windows 98 und ME, C:\WINNT\System32 unter Windows NT und 2000 sowie C:\Windows\System32 unter Windows 2000(32-bit), XP, Server 2003(32-bit), Vista, 7, 8, 8.1, 2008(64-bit), 2012(64bit) and 10(64-bit).)

Fügt die folgenden Prozesse hinzu:

  • If executed without administrative rights:
    • "%AppDataLocal%\{random characters}.{3 random characters}",{random characters}
    • "%AppDataLocal%\{random characters}.{3 random characters}",Control_RunDLL
  • If executed with administrative rights:
    • "%System%\{random characters}\{random characters}.{3 random characters}",{random characters}
    • "%System%\{random characters}\{random characters}.{3 random characters}",Control_RunDLL

(Hinweis: %System% ist der Windows Systemordner. Er lautet in der Regel C:\Windows\System unter Windows 98 und ME, C:\WINNT\System32 unter Windows NT und 2000 sowie C:\Windows\System32 unter Windows 2000(32-bit), XP, Server 2003(32-bit), Vista, 7, 8, 8.1, 2008(64-bit), 2012(64bit) and 10(64-bit).)

Andere Systemänderungen

Fügt die folgenden Registrierungseinträge hinzu:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\{random characters}.{3 random characters}
ImagePath = %System%\rundll32.exe "%System%\{random characters}.{3 random characters}",{random characters}

Andere Details

Fügt die folgenden Registrierungsschlüssel hinzu:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\{random characters}.{3 random characters}

It connects to the following possibly malicious URL:

  • http://{BLOCKED}.{BLOCKED}.61.60:443
  • http://{BLOCKED}.{BLOCKED}.250.14:80
  • http://{BLOCKED}.{BLOCKED}.33.48:8080
  • http://{BLOCKED}.{BLOCKED}.98.190:8080
  • http://{BLOCKED}.{BLOCKED}.80.14:7080
  • http://{BLOCKED}.{BLOCKED}.242.234:8080
  • http://{BLOCKED}.{BLOCKED}.169.10:8080
  • http://{BLOCKED}.{BLOCKED}.219.173:8080
  • http://{BLOCKED}.{BLOCKED}.209.141:8080
  • http://{BLOCKED}.{BLOCKED}.103.16:80
  • http://{BLOCKED}.{BLOCKED}.242.185:443
  • http://{BLOCKED}.{BLOCKED}.67.203:8080
  • http://{BLOCKED}.{BLOCKED}.228.122:443
  • http://{BLOCKED}.{BLOCKED}.81.119:8080
  • http://{BLOCKED}.{BLOCKED}.239.39:8080
  • http://{BLOCKED}.{BLOCKED}.57.149:443
  • http://{BLOCKED}.{BLOCKED}.146.35:443