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

Static analysis result for SHA-256 1b3567ab645f0747…

MALICIOUS

Office (OOXML) / .DOC

10.1 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 12.0000
MD5: 11730dffb7c77f11f88f68f4ca8f80ec SHA-1: 9d0e46a992ede40641989448251f1289f273d69c SHA-256: 1b3567ab645f074735ebfbd27845fecd1645ed3363236d92f3136f8438ac54ea
122 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The file exhibits critical heuristic firings indicating remote template injection and external relationship usage, pointing to a malicious document. The embedded URLs, specifically http://198.12.127.217/, are highly suspicious and likely serve as the source for downloading a secondary payload. The ClamAV detection as Doc.Downloader.Redline-9972754-0 further supports this assessment, suggesting a downloader functionality.

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://198.12.127.217/.--------------------------.--------------........-...................-/_.......-----------------------....-_---......) — 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 medium OOXML_EXTERNAL_REL
    External target in word/_rels/webSettings.xml.rels: http://198.12.127.217/.--------------------------.--------------........-...................-/_.......------------------
  • 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://198.12.127.217/.--------------------------.--------------........-...................-/_.......-----------------------....-_---
    • http://198.12.127.217/.--------------------------.--------------........-...................-/_.......-----------------------....-_---..........._----------------.wiz
    • http://198.12.127.217/.--------------------------.--------------........-...................-/_.......------------------
    • 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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