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

Static analysis result for SHA-256 e4d4eed6e47b11e7…

MALICIOUS

Office (OOXML) / .DOC

10.1 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 12.0000
MD5: c213fe6ab68bfbe76e427400226ff346 SHA-1: e109aab9f692c844b6890deb492bce22568575ca SHA-256: e4d4eed6e47b11e7b147db4c6d02b36d15318c057cce41e2bd5781949f02ac02
122 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The file exhibits critical heuristic firings for remote template injection and external relationships, both pointing to the same suspicious URL. ClamAV detection as Doc.Downloader.Redline-9972754-0 further confirms its malicious nature. The primary IOC is the URL used for the remote template injection, which likely serves as a downloader for a second-stage 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 (http://192.210.218.110/....wWw..-wWW-w.wW.-ww--w.-.wWw......------wWW.W.....Ww..--w.wW/....wWw..-wWW-w.wW.-ww--w.-.wWw......------wWW.W.....) — 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://192.210.218.110/....wWw..-wWW-w.wW.-ww--w.-.wWw......------wWW.W.....Ww..--w.wW/....wWw..-wWW-w.wW.-ww--w.-.wWw..
  • 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://192.210.218.110/....wWw..-wWW-w.wW.-ww--w.-.wWw......------wWW.W.....Ww..--w.wW/....wWw..-wWW-w.wW.-ww--w.-.wWw......------wWW.W
    • http://192.210.218.110/....wWw..-wWW-w.wW.-ww--w.-.wWw......------wWW.W.....Ww..--w.wW/....wWw..-wWW-w.wW.-ww--w.-.wWw......------wWW.W.....Ww..--w.wW.-w.wbk
    • http://192.210.218.110/....wWw..-wWW-w.wW.-ww--w.-.wWw......------wWW.W.....Ww..--w.wW/....wWw..-wWW-w.wW.-ww--w.-.wWw
    • 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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