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

Static analysis result for SHA-256 b90e4fcb8b30fcc3…

MALICIOUS

Office (OOXML) / .DOC

10.1 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 12.0000 First seen: 2022-09-12
MD5: e732f54857ee57bebe19fb6f3954114c SHA-1: 6932f2ffcea4f15a09ed8429a7cb26262c768197 SHA-256: b90e4fcb8b30fcc380d1cfe733a29b0314af1b6354c23cd1b577c99826988e9d
142 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The file exhibits critical heuristic firings for remote template injection and external relationships, pointing to a malicious document. The ClamAV detection as 'Doc.Downloader.Redline-9972754-0' strongly suggests its purpose is to download and execute a secondary payload. The primary IOC is the suspicious URL used for the remote template injection.

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://users@1806450061/..---------..--------------_----_______---_---______------------/...............................89.doc) — 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://users@1806450061/..---------..--------------_----_______---_---______------------/...............................
  • 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://users@1806450061/..---------..--------------_----_______---_---______------------/...............................89.doc
    • http://users@1806450061/..---------..--------------_----_______---_---______------------/
    • 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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