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

Static analysis result for SHA-256 7ccb9d2b60a7b6c8…

MALICIOUS

Office (OOXML) / .DOC

10.1 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 12.0000 First seen: 2022-07-11
MD5: 5adde177fdcb935f50a6eb055566000d SHA-1: 8c4bf5fa99f694e59eb87d3ad9c22ff00b8728ee SHA-256: 7ccb9d2b60a7b6c8352dc70bdc8c51c45bacef5f2e436114d7a0ff9c1ee49f2f
122 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The sample exhibits OOXML remote template injection and external relationship heuristics, both pointing to the URL https://a-lynk.com/FSYjJ. This indicates the document is designed to fetch and execute content from this external source, likely a secondary payload. ClamAV detection as Doc.Downloader.Redline-9972754-0 further supports its role as a downloader.

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 (https://a-lynk.com/FSYjJ) — 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 medium OOXML_EXTERNAL_REL
    External target in word/_rels/webSettings.xml.rels: https://a-lynk.com/FSYjJ
  • 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 https://a-lynk.com/FSYjJ
    • 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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