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

Static analysis result for SHA-256 fffca1c358c5dd1e…

MALICIOUS

Office (OOXML) / .DOC

16.0 KB Created: 2023-03-27 22:13:00 UTC Authoring application: Microsoft Office Word 12.0000
MD5: 731c801f8262faa3ca554d7119fb3c65 SHA-1: 84aa67ad43da94ef692c17caa62c270820696711 SHA-256: fffca1c358c5dd1e34379de0ca25401491072cb6722d4ff866126a7e0996c85c
160 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1566.002 Spearphishing Attachment T1059.005 Visual Basic

The file is detected as a downloader by ClamAV and exhibits characteristics of a macro-enabled lure, instructing the user to enable content. It uses external relationships and remote templates pointing to 'https://covid19help.top/mano.doc', which is highly suspicious. The document body contains what appears to be a parts list, likely a pretext to encourage macro execution 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 (https://covid19help.top/mano.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://covid19help.top/mano.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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