This report is provided “as is” for informational purposes only. The Department of Homeland Security (DHS) does not provide any warranties of any kind regarding any information contained herein. The DHS does not endorse any commercial product or service referenced in this bulletin or otherwise.
This document is marked TLP:WHITE–Disclosure is not limited. Sources may use TLP:WHITE when information carries minimal or no foreseeable risk of misuse, in accordance with applicable rules and procedures for public release. Subject to standard copyright rules, TLP:WHITE information may be distributed without restriction. For more information on the Traffic Light Protocol (TLP), see http://www.us-cert.gov/tlp.
This report contains information obtained from automated analysis and is not intended to be a complete description of the submitted sample. Results may be limited due to the complexity of the samples, or due to the ability of the samples to defend against automated analysis techniques. If additional information is required, please contact the Cybersecurity and Infrastructure Security Agency (CISA) using the information provided at the end of this report.
Submission included one malicious RTF file. The primary purpose of this file is to download and install a malicious payload on the infected system.
This report contains preliminary analysis and is not intended to be a complete description of the submitted artifacts’ capabilities. Results may be incomplete due to the artifacts’ complexity or ability to defend against analysis techniques. If additional information is required, please contact the US-CERT Security Operations Center using the information at the end of this report.
Analysis Environment: 32_bit, windows_7
For a downloadable copy of IOCs, see MIFR-10056799-1.v2.stix.
96d217fc287e7ef0af46449eba405e4b49217834d6335a48b85519b75942c74c (PRODUCT SPECIFICATION.doc)
No matches found.
No matches found.
PRODUCT SPECIFICATION.doc is a malicious RTF file designed to download and install a malicious payload on the victim system. Once the RTF document is opened, the document attempts to download and install a malicious payload from a C2 server using the following URI:
The following is a sample HTTP GET request observed during analysis:
–Begin GET request–
Based on static analysis, it appears that the document attempts to download the payload into %Current Directory%pong.exe before it is executed. The file the document attempted to download was not available for download at the time of analysis.
Domain name: marianvanherp.nl
Record maintained by: NL Domain Registry
person: T Fox
% Information related to ‘188.8.131.52/22AS48635’
CISA recommends that users and administrators consider using the following best practices to strengthen the security posture of their organization’s systems. Any configuration changes should be reviewed by system owners and administrators prior to implementation to avoid unwanted impacts.
Additional information on malware incident prevention and handling can be found in National Institute of Standards and Technology (NIST) Special Publication 800-83, “Guide to Malware Incident Prevention & Handling for Desktops and Laptops”.
CISA continuously strives to improve its products and services. You can help by answering a very short series of questions about this product at the following URL: https://us-cert.gov/forms/feedback/
What is a MIFR? A Malware Initial Findings Report (MIFR) is intended to provide organizations with malware analysis in a timely manner. In most instances this report will provide initial indicators for computer and network defense. To request additional analysis, please contact CISA and provide information regarding the level of desired analysis.
What is a MAR? A Malware Analysis Report (MAR) is intended to provide organizations with more detailed malware analysis acquired via manual reverse engineering. To request additional analysis, please contact CISA and provide information regarding the level of desired analysis.
Can I edit this document? This document is not to be edited in any way by recipients. All comments or questions related to this document should be directed to the CISA at 1-888-282-0870 or email@example.com.
Can I submit malware to CISA? Malware samples can be submitted via three methods:
CISA encourages you to report any suspicious activity, including cybersecurity incidents, possible malicious code, software vulnerabilities, and phishing-related scams. Reporting forms can be found on CISA’s homepage at www.us-cert.gov.
- May 12, 2020: Initial Version