Cisco Security Intelligence Operations has detected significant activity related to German-language spam e-mail messages that claim to contain a legal warning for the recipient. The text in the e-mail message instructs the recipient to open an attachment to view the details. However, the .zip attachment contains a malicious .exe file that, when executed, attempts to infect the system with malicious code.
E-mail messages that are related to this threat (RuleID4110) may contain the following files:
Mahnung.zip
Mahnung.exe
The Mahnung.exe file in the Mahnung.zip attachment has a file size of 57,344 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0x2BF22B4B751544971022EB179405DC60
The following text is a sample of the e-mail message that is associated with this threat outbreak:
Subject: Abmahnung Harald Kahse NR 984258980
Message Body:
Sehr geehrte(r) Harald Kahse,
Ihre Email Adresse ist in der beschlagnahmten Datenbank von Portal kinos-to eingetragen worden.
Auf diesem Portal wurden von Ihnen zu unrecht Raubkopien von urheberrechtlich geschtzten Werken runtergeladen.
Die Abmahnung fr diese Tat kann bis zu 400 Euro betragen.
Es wird ein Zivilverfahren nach 102(a) gegen Harald Kahse gestartet wo Ihre IP mit T?r IP verglichen wird.
Die genauen Teilnehmerdaten so wie die IP und das Datum finden Sie im Anhang.
Es ist auch eine Schulderkl?ng nach 315 BGB im Anhang zu finden, welche ausgefllt und an uns zurck geschickt werden muss.
Mit freundlichen Gr?n Staatsanwaltschaft Berlin
Cisco Security Intelligence Operations analysts examine real-world e-mail traffic data that is collected from over 100,000 contributing organizations worldwide. This data helps provide a range of information about and analysis of global e-mail security threats and trends. Cisco will continue to monitor this threat and automatically adapt IronPort systems to protect customers. This report will be updated if there are significant changes or if the risk to end users increases.
Cisco IronPort Virus Outbreak Filters protect customers during the critical period between the first exploit of a virus outbreak and the release of vendor antivirus signatures. E-mail that is managed by Cisco and end users who are protected by Cisco IronPort web security appliances will not be impacted by these attacks. Cisco IronPort appliances are automatically updated to prevent both spam e-mail and hostile web URLs from being passed to the end user.
Related Links
Cisco Security Intelligence Operations
Cisco Threat Operations Center
Cisco SenderBase Security Network
