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

Static analysis result for SHA-256 a90b47db3b8967d1…

MALICIOUS

Office (OOXML) / .DOC

458.7 KB Created: 2024-07-19 01:41:00 UTC Authoring application: Microsoft Office Word 12.0000
MD5: 4abdd84a9ac2da83f53bb00027f2af8f SHA-1: 8a9d0ea7a683e05af507a385e3f69cc012ab2fd6 SHA-256: a90b47db3b8967d11477fddf847f7e2edd6933462b90998fc4b32ae4023348fa
160 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution T1566.002 Phishing: Spearphishing Attachment

The file is detected as a downloader by ClamAV and exhibits characteristics of a macro-enabled lure, instructing the user to enable content. It also uses remote template injection, pointing to a suspicious URL which is likely used to host the next stage of the attack. The document body contains a list of parts, which 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 (http://87.120.84.39/txt/nfeF2DeBp7q52qq.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://87.120.84.39/txt/nfeF2DeBp7q52qq.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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