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

Static analysis result for SHA-256 df181a504da8c706…

MALICIOUS

Office (OOXML) / .DOC

10.1 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 12.0000
MD5: ef4ee3a3544254b0b361efec35977e35 SHA-1: fd938eeb27e859e053831eed2ef0095ebd539b43 SHA-256: df181a504da8c7065b27b5edfb0b517e748c345899efcd09727008e83ff4c0f4
122 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The OOXML document contains heuristics indicating remote template injection and an external relationship pointing to 'http://84.38.132.24/invoice/invoice_12233.wbk'. ClamAV detection as 'Doc.Downloader.Redline-9972754-0' further supports its malicious nature. The primary attack vector appears to be luring the user to download a secondary payload from the specified URL.

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://84.38.132.24/invoice/invoice_12233.wbk) — 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://84.38.132.24/invoice/invoice_12233.wbk
  • 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://84.38.132.24/invoice/invoice_12233.wbk
    • 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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