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

Static analysis result for SHA-256 7108ce3a07aa75b3…

MALICIOUS

Office (OOXML) / .DOC

10.1 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 12.0000
MD5: c2747012f95b22cb9b627a16bd62a7e6 SHA-1: eb66e01469f2b643e28251f130047ad7bc23c26b SHA-256: 7108ce3a07aa75b30ad993af8be72fda1f4974b734bf7901073442b03c95b511
122 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The sample is a malicious OOXML document detected by ClamAV as a downloader. It contains an external relationship pointing to the URL https://longurl.in/TLLwU, indicating an attempt to fetch and execute a remote template or payload. This suggests a spearphishing attachment delivery method aiming to download a second-stage malicious file.

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://longurl.in/TLLwU) — 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://longurl.in/TLLwU
  • 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://longurl.in/TLLwU
    • 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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