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

Static analysis result for SHA-256 e8b956100179eb1c…

MALICIOUS

Office (OOXML) / .DOC

10.1 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 12.0000
MD5: cbac500e2b86a16aa9b69b383db5e0e3 SHA-1: 9c9ba06bf5beb997e91a6b802dbed8e031e0b4f0 SHA-256: e8b956100179eb1c542cedd9f78bb8b9c9c89e5b1040aefdc65619756b0da8fd
122 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The file exhibits remote template injection and external relationship heuristics, both pointing to the URL http://198.46.132.185/..-.-.-......................................................-...-/........................................................wbk. This strongly suggests the document is designed to download and execute a second-stage payload from this location. The ClamAV detection as 'Doc.Downloader.Redline-9972754-0' further supports this downloader behavior.

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://198.46.132.185/..-.-.-......................................................-...-/...................................................) — 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://198.46.132.185/..-.-.-......................................................-...-/...............................
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — context-specific rules above attribute URLs they actually evaluated; this rule lists URLs that were present in the bytes but were not otherwise tied to a specific finding.
    URL http://198.46.132.185/..-.-.-......................................................-...-/
    • http://198.46.132.185/..-.-.-......................................................-...-/........................................................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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