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

Static analysis result for SHA-256 a578c79ee5c97c54…

MALICIOUS

Office (OOXML) / .DOC

10.1 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 12.0000 First seen: 2023-04-03
MD5: b6be1d349682bfc62dbf86e68ab8ec4a SHA-1: 98cbcf6d6d791f8520f8cf78629feac9e01d00fc SHA-256: a578c79ee5c97c543e2465e9740d3d827e61bddddbd9807a18a79c269e6cb37c
142 Risk Score

Malware Insights

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

The file exhibits critical heuristic firings for remote template injection and external relationship, indicating it attempts to load external resources. The embedded URLs, particularly the obfuscated ones, are highly suspicious and likely point to the download location of a secondary payload. ClamAV detection as Doc.Downloader.Redline-9972754-0 further supports its malicious nature as a downloader.

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://00000000000OOOOOLLLLLLLL000000000000LLLLLLLOOOOO00000000000LLLLLLLOOOOO0000000000LLLLL00000000000OOOLLLLLLL@3221468051/x......xx.....) — 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://00000000000OOOOOLLLLLLLL000000000000LLLLLLLOOOOO00000000000LLLLLLLOOOOO0000000000LLLLL00000000000OOOLLLLLLL@32214
  • 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://00000000000OOOOOLLLLLLLL000000000000LLLLLLLOOOOO00000000000LLLLLLLOOOOO0000000000LLLLL00000000000OOOLLLLLLL@3221468051/x......xx
    • http://00000000000OOOOOLLLLLLLL000000000000LLLLLLLOOOOO00000000000LLLLLLLOOOOO0000000000LLLLL00000000000OOOLLLLLLL@3221468051/x......xx.......doc
    • http://00000000000OOOOOLLLLLLLL000000000000LLLLLLLOOOOO00000000000LLLLLLLOOOOO0000000000LLLLL00000000000OOOLLLLLLL@32214
    • 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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