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

Static analysis result for SHA-256 a99b1a18139506f5…

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: 8d85d75b8789542275b8c85e25e04a32 SHA-1: f41f9fa9dc5cc1dbea292c1df3e8d782e4e794a6 SHA-256: a99b1a18139506f5cf6a7dcaa6715090381720ace26899d4b664ec00ea95cac2
102 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The sample is identified as malicious by ClamAV with the signature Doc.Downloader.Redline-9972754-0. A critical heuristic firing indicates an OOXML external relationship to a suspicious URL, which is likely used to download a secondary payload. The document body contains minimal readable text, providing no further context on the lure.

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@311834
  • 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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