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

Static analysis result for SHA-256 b0fd3147d72cf3cb…

MALICIOUS

Office (OOXML) / .DOC

10.1 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 12.0000
MD5: 3fdc2e4e52b6499def0ff7411a7e0060 SHA-1: 81c882a868140261f45531a7f2f486c4a5324fd2 SHA-256: b0fd3147d72cf3cbe23587740ca4a718671194b47aa5a4d030e689b4e8e1fd28
120 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The sample is a malicious OOXML document detected as Doc.Downloader.Redline by ClamAV. It utilizes remote template injection via the URL http://23.95.122.25/..-.-................-.....-------------/.............................................................dot to download a secondary payload. The document body is minimal and does not provide further context on the lure.

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://23.95.122.25/..-.-................-.....-------------/.............................................................dot) — 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: http://23.95.122.25/..-.-................-.....-------------/...........................................................
  • 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://23.95.122.25/..-.-................-.....-------------/.............................................................dot
    • http://23.95.122.25/..-.-................-.....-------------/
    • 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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