Redline — Office (OOXML) / .DOC malware analysis

Static analysis result for SHA-256 ff71526ee8d92ee3…

MALICIOUS

Office (OOXML) / .DOC

10.1 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 12.0000
MD5: ecb02fbc03e5081a20ee10b35eb1efe8 SHA-1: d41872cf3b63ef4b2292c3aed946e8515d2b9dda SHA-256: ff71526ee8d92ee36f36e5daa68bfc81e64a71931b2baf14b350a38d25ac5f10
122 Risk Score

Malware Insights

Redline · confidence 95%

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious File

The file exhibits characteristics of a downloader, specifically triggering heuristics for remote template injection and external relationships pointing to a suspicious URL. The ClamAV detection as 'Doc.Downloader.Redline-9972754-0' strongly suggests the Redline family. The embedded URL is likely used to fetch and execute a secondary payload.

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://wordfiletransfertocustomer.mangospot.net/-.......................................-.........................-/........................) — 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://wordfiletransfertocustomer.mangospot.net/-.......................................-.........................-/....
  • 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://wordfiletransfertocustomer.mangospot.net/-.......................................-.........................-/
    • http://wordfiletransfertocustomer.mangospot.net/-.......................................-.........................-/...........................................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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