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

Static analysis result for SHA-256 efc8f777d52a3bcb…

MALICIOUS

Office (OOXML) / .DOC

10.1 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 12.0000 First seen: 2023-02-16
MD5: 57d16dbddb34ade771e1a233177cfc7f SHA-1: 7d870285442d9a844166513f0fedc5b453ad9a5c SHA-256: efc8f777d52a3bcbde5fb7c4b67efd44a1d973199e2382e2781f650102b92561
102 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The file is detected as a downloader by ClamAV. A critical heuristic identified an obfuscated external relationship URL, which is a common technique for downloading and executing further malicious content. The presence of this URL strongly suggests the document's purpose is to act as a dropper for other malware.

Heuristics 3

  • ClamAV: Doc.Downloader.Redline-9972754-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Redline-9972754-0
  • External relationship high OOXML_EXTERNAL_REL
    External target in word/_rels/webSettings.xml.rels: http:/QQQQWWWWQWWWWQWWQWQWQWQQWQWQQWQWQWQWQWQWQWQQQQQQQQOQQQQQOOOOOOOOQOQQQQOQOQOQOQOQOQQWWWWQWQWQWQWQWQWQWQWQQWQ@180668
  • 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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