Threat Outbreak Alert RuleID17087: Email Messages Distributing Malicious Software on July 31, 2015

2015-08-03T14:36:23
ID CISCO-THREAT-40294
Type ciscothreats
Reporter Cisco
Modified 2015-08-03T14:36:23

Description

Medium

Alert ID:

40294

First Published:

2015 August 3 14:36 GMT

Version:

1

Summary

  • Cisco Security has detected significant activity related to spam email messages distributing malicious software.

Email messages that are related to this threat (RuleID17087 and RuleID17087KVR) may contain the following files:

Name | Size in Bytes | MD5 Checksum
---|---|---
check_with_explanation_vrB057wB.zip / cheque_with_description.exe
| 47,616
| 0xA107D6F75791FC9BCE547E628F795539
cheque_and_reason of the return_TAMGkyfy.zip / check_with_explanation.exe | 126,976 | 0xE3720AF4DDBEB96B898C19B4C5D94D86

cheque_and_reason of the return_IEIB4Mnx.zip / check_and_explanation.exe
| 126,976 | 0xE6A5CE6EA1982416D0F843FFCF07102E
cheque_and_description_vvzDBqY3.zip / cheque_with_description.exe | 126,976 | 0xCF0FA8BD574978880E46A825AFB6C95F

The following text is a sample of the email message that is associated with this threat outbreak:

> Subject: Your cheque has been given back

Message Body:

I enclose a check which has been returned unpaid for occasions caused thereon.
We have written off you with the sum.
If you have some problems, please call us. We'll endeavor to help you.
Yours Truly,
General managemet

Or

> Subject: Your check has been returned

Message Body:

I apply a cheque that has been given back unpaid for occasions caused there.
We have debited you with this amount.
If you have any inquiries, please call us. We'll try to help you.
Yours Truly,

Manager

Cisco security appliances can help protect customers during the critical period between the first exploit of a virus outbreak and the release of vendor antivirus signatures. Cisco Web Security Appliances help secure and control web and email traffic by offering layers of malware protection. Cisco security appliances are automatically updated to help prevent both spam email and hostile web URLs from being passed to the end user.

Related Links
Cisco Security
Cisco SenderBase Security Network

Revision History

  • Version | Description | Section | Date
    ---|---|---|---
    1 | Initial Release | | 2015-August-03 14:36 GMT
    Show Less

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