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

Static analysis result for SHA-256 cd9cf022180c8c6f…

MALICIOUS

Office (OOXML) / .DOC

16.0 KB Created: 2023-03-27 22:13:00 UTC Authoring application: Microsoft Office Word 12.0000
MD5: 9f3fd4e8aa2ad81966d0c2a036d1e901 SHA-1: 80a58393acb58fcc666e56b514994d98ba3f4716 SHA-256: cd9cf022180c8c6f6c4fb0d76476bf2e9382128d28a4686114c50448934e5381
160 Risk Score

Malware Insights

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

The file is detected as a downloader by ClamAV and exhibits characteristics of a macro-enabled lure. It uses remote template injection and external relationships pointing to 'https://riell.top/obb.doc', suggesting it's designed to download a secondary payload. The document body, though in Afrikaans and seemingly a parts list, is likely a pretext to encourage macro execution.

Heuristics 5

  • ClamAV: Doc.Downloader.Loda-7570590-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Loda-7570590-0
  • Remote template injection high OOXML_REMOTE_TEMPLATE
    Document references a remote template URL (https://riell.top/obb.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/settings.xml.rels: https://riell.top/obb.doc
  • Macro/content-enable lure medium SE_ENABLE_LURE
    Document instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings
  • 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://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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