Redline — Office (OOXML) / .DOC malware analysis

Static analysis result for SHA-256 dcc7b6b824c07b07…

MALICIOUS

Office (OOXML) / .DOC

10.1 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 12.0000
MD5: 1fa266a50ad070302647d368290352d0 SHA-1: 92b0b20316f221dca88149b2a2e553bd2323e451 SHA-256: dcc7b6b824c07b079f1d424548def94042ab0372cc0d6c7dd0ad4f45bc6a4535
122 Risk Score

Malware Insights

Redline · confidence 95%

MITRE ATT&CK
T1204.002 Malicious File

The file is detected as malicious by ClamAV as Doc.Downloader.Redline-9972754-0. Static analysis reveals it uses a remote template injection and an external relationship pointing to https://urlchill.com/TtO76, indicating it's designed to download and execute a second-stage payload. The presence of the 'Redline' family in the ClamAV detection strongly suggests this attribution.

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 (https://urlchill.com/TtO76) — 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: https://urlchill.com/TtO76
  • 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 https://urlchill.com/TtO76
    • 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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