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

Static analysis result for SHA-256 53d8050a5c3822f8…

MALICIOUS

Office (OOXML) / .DOC

11.2 KB Created: 2023-03-27 22:13:00 UTC Authoring application: Microsoft Office Word 12.0000 First seen: 2023-08-10
MD5: d2783bdb129d7bf4887ab5c26bfad482 SHA-1: ba241584accc038bd00e6027c853a92774b7dd82 SHA-256: 53d8050a5c3822f82e03a7104f46ae17439e7dc42c2dbb3de32d417dd5554da6
142 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The file exhibits critical heuristic firings for remote template injection and external relationship, both pointing to a malicious URL. This suggests the document is designed to trick the user into downloading a secondary payload from the specified address. The ClamAV detection further supports its malicious nature as a downloader.

Heuristics 4

  • 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 (http://194.55.224.13/_errorpages/koob7.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: http://194.55.224.13/_errorpages/koob7.doc
  • 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://194.55.224.13/_errorpages/koob7.doc
    • 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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