Malicious Office (OOXML) / .DOC — malware analysis report

Static analysis result for SHA-256 e373c9158dd1c3de…

MALICIOUS

Office (OOXML) / .DOC

10.2 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 12.0000 First seen: 2023-03-22
MD5: c0c359300612d9461aa517a963259d58 SHA-1: 1c0150ee52c12ff1191d3283287ad42e1150b1ae SHA-256: e373c9158dd1c3dee8e680362ffa9e2e755ac6664b4785c06e5b7e207678f9b3
142 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious File T1059 Command and Scripting Interpreter

The file exhibits high-severity heuristics for remote template injection and external relationships, indicating an attempt to load external content. The ClamAV detection as 'Doc.Downloader.Redline-9972754-0' strongly suggests a downloader functionality. The embedded unknown URLs are likely the sources for the malicious payload, which the document is designed to fetch and execute.

Heuristics 4

  • ClamAV: Doc.Downloader.Redline-9972754-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Redline-9972754-0
  • Remote template injection high OOXML_REMOTE_TEMPLATE
    Document references a remote template URL (http://OASOSIDFOSWEROEROOWRWERWEREWWW0W83W338W83WOWRWWRWRWRW9W9R9W9R9WR9W9RW9R9W9R9W9R0WR7RR7W7RW7RRW7R66WSD6DSD6S6D6DSD66D6S@1755852395/19.) — a common remote-template-injection vector used by Hancitor, Emotet and many phishing campaigns. Word can fetch and apply the remote template; macros in that template may execute depending on Office policy and trust state.
  • External relationship high OOXML_EXTERNAL_REL
    External target in word/_rels/webSettings.xml.rels: http://OASOSIDFOSWEROEROOWRWERWEREWWW0W83W338W83WOWRWWRWRWRW9W9R9W9R9WR9W9RW9R9W9R9W9R0WR7RR7W7RW7RRW7R66WSD6DSD6S6D6DSD
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://OASOSIDFOSWEROEROOWRWERWEREWWW0W83W338W83WOWRWWRWRWRW9W9R9W9R9WR9W9RW9R9W9R9W9R0WR7RR7W7RW7RRW7R66WSD6DSD6S6D6DSD66D6S@1755852395/19
    • http://OASOSIDFOSWEROEROOWRWERWEREWWW0W83W338W83WOWRWWRWRWRW9W9R9W9R9WR9W9RW9R9W9R9W9R0WR7RR7W7RW7RRW7R66WSD6DSD6S6D6DSD66D6S@1755852395/19...............................19..............DOC
    • http://OASOSIDFOSWEROEROOWRWERWEREWWW0W83W338W83WOWRWWRWRWRW9W9R9W9R9WR9W9RW9R9W9R9W9R0WR7RR7W7RW7RRW7R66WSD6DSD6S6D6DSD
    • http://schemas.openxmlformats.org/markup-compatibility/2006
    • http://schemas.openxmlformats.org/officeDocument/2006/relationships
    • http://schemas.openxmlformats.org/officeDocument/2006/math
    • http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawing
    • http://schemas.openxmlformats.org/wordprocessingml/2006/main
    • http://schemas.microsoft.com/office/word/2006/wordml

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