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

Static analysis result for SHA-256 307ed8235bb475f7…

MALICIOUS

Office (OOXML) / .DOC

10.1 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 12.0000 First seen: 2022-08-30
MD5: c2b3b75d2dc9bb2d77493493ae87249d SHA-1: bf3400271d642b3eee3e8b5b26ed2fae00fecaed SHA-256: 307ed8235bb475f72e71a17f683dfa0a47bfcb71df04a1b616b5edcd1194b015
122 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The sample exhibits critical heuristic firings for remote template injection and external relationship, indicating an attempt to load content from an external source. The embedded URL, http://username@1806435511/..----------..----------------.---------.--------/167.dothtml, is highly suspicious and likely serves as a lure for 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://username@1806435511/..----------..----------------.---------.--------/167.dothtml) — 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://username@1806435511/..----------..----------------.---------.--------/167.dothtml
  • 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://username@1806435511/..----------..----------------.---------.--------/167.dothtml
    • 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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