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

Static analysis result for SHA-256 1a9633b148ef8d1d…

MALICIOUS

Office (OOXML) / .DOC

10.1 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 12.0000
MD5: 8978e01416dade3b6e6ed2ab2b178e3e SHA-1: 13494691e4ffff350328020c5c9f222c76c321b4 SHA-256: 1a9633b148ef8d1dce830ed9b9b849a2e7da2cc35bed3646032cd9eb1eef4f39
122 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious Link T1566.001 Spearphishing Attachment

The file exhibits characteristics of a malicious document, specifically OOXML remote template injection and external relationship firings, both pointing to the URL https://linkzip.me/w1veZ. The ClamAV detection as 'Doc.Downloader.Redline-9972754-0' further supports its malicious nature. The primary attack vector appears to be tricking the user into navigating to the provided URL, likely to download a secondary payload.

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 (https://linkzip.me/w1veZ) — 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.
    URL https://linkzip.me/w1veZ
  • External relationship medium OOXML_EXTERNAL_REL
    External target in word/_rels/webSettings.xml.rels: https://linkzip.me/w1veZ
    URL https://linkzip.me/w1veZ
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — context-specific rules above attribute URLs they actually evaluated; this rule lists URLs that were present in the bytes but were not otherwise tied to a specific finding.
    URL 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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