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

Static analysis result for SHA-256 a8c6023d48d476bf…

MALICIOUS

Office (OOXML) / .DOC

10.1 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 12.0000 First seen: 2022-08-31
MD5: 7073ff3fa94f47b51ad72b931d11aa74 SHA-1: 3f76d955949e4c27d6acb4a1d7f581fd51e84ade SHA-256: a8c6023d48d476bf037f0738ef77ba686cbd23153eb8e4d513ce4fdfe3109cf2
122 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious File T1059 Command and Scripting Interpreter

The sample exhibits critical heuristic firings for remote template injection and external relationship, indicating an attempt to load content from a remote URL. The ClamAV detection as 'Doc.Downloader.Redline-9972754-0' strongly suggests this document is a downloader for a second-stage payload. The embedded URL is the primary indicator of compromise.

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://username@2901793988/..-------.--.--.---.-------------.--------_--_---_------_-/198.dothtml) — 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://username@2901793988/..-------.--.--.---.-------------.--------_--_---_------_-/198.dothtml
  • 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://username@2901793988/..-------.--.--.---.-------------.--------_--_---_------_-/198.dothtml
    • 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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