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

Static analysis result for SHA-256 64ef58d3a9a11810…

MALICIOUS

Office (OOXML) / .DOC

16.0 KB Created: 2023-03-27 22:13:00 UTC Authoring application: Microsoft Office Word 12.0000 First seen: 2023-09-07
MD5: f363ab2f449ab7506f31a196f7c50343 SHA-1: f9afd10af020c786d6787e39b6bfcc19162e6f75 SHA-256: 64ef58d3a9a1181090a34df1ce77377d2620f0d58aeed9a5ff47682979b93ab0
162 Risk Score

Malware Insights

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

The file is detected as a downloader by ClamAV and exhibits characteristics of a macro-based lure, instructing the user to enable content. It also uses remote template injection and external relationships pointing to a suspicious URL, which likely serves as the initial stage for downloading a secondary payload.

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 (http://185.28.39.17:7777/185.28.39.18/jeffzx.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://185.28.39.17:7777/185.28.39.18/jeffzx.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://185.28.39.17:7777/185.28.39.18/jeffzx.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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