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

Static analysis result for SHA-256 63d81262d8b022c5…

MALICIOUS

Office (OOXML) / .DOC

10.2 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 12.0000 First seen: 2023-02-22
MD5: b71a4eadd0fa49510df132d011f6d736 SHA-1: 90b2734bd8f080838d401a25ed3fddec066b5c5f SHA-256: 63d81262d8b022c5c67b24e394a32037bc0cf41869444152c48ee204d84386a3
142 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The file is identified as malicious by ClamAV with the signature Doc.Downloader.Redline-9972754-0. Heuristics indicate remote template injection and external relationship, pointing to the URL http://qquuuq9werqwqqqq00qwewerSASWERWRWIERIWERIEWIR00R0WEQQQ1QQQ99WER8W9ER9WERWKRJEWKRKWERK@3323444111/O-O-OOO.DOC. This suggests the document is designed to download and execute a second-stage payload from this external resource.

Heuristics 4

  • ClamAV: Doc.Downloader.Redline-9972754-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Redline-9972754-0
  • Remote template injection high OOXML_REMOTE_TEMPLATE
    Document references a remote template URL (http://qquuuq9werqwqqqq00qwewerSASWERWRWIERIWERIEWIR00R0WEQQQ1QQQ99WER8W9ER9WERWKRJEWKRKWERK@3323444111/O-O-OOO.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/webSettings.xml.rels: http://qquuuq9werqwqqqq00qwewerSASWERWRWIERIWERIEWIR00R0WEQQQ1QQQ99WER8W9ER9WERWKRJEWKRKWERK@3323444111/O-O-OOO.DOC
  • 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://qquuuq9werqwqqqq00qwewerSASWERWRWIERIWERIEWIR00R0WEQQQ1QQQ99WER8W9ER9WERWKRJEWKRKWERK@3323444111/O-O-OOO.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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