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

Static analysis result for SHA-256 c16b38ae42a9c32b…

MALICIOUS

Office (OOXML) / .DOC

10.1 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 12.0000
MD5: 0fa0fc8e801d4228a50ec62e2f4d7396 SHA-1: f263339ab10d01dc983cedbb82fa84e9bf5baf79 SHA-256: c16b38ae42a9c32ba01ccd93bd90efceb4df05adb997b179758844e2d7d9b8c1
120 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The critical ClamAV heuristic and the remote template injection heuristic indicate that this document is designed to download and execute a secondary payload. The URL associated with the remote template is flagged as confirmed benign, which is unusual but does not negate the other strong indicators of malicious intent. The file is classified as a downloader based on these findings.

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://doctor.hopto.org/torotoro/nd.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://doctor.hopto.org/torotoro/nd.dot
  • 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://doctor.hopto.org/torotoro/nd.dot
    • 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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