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

Static analysis result for SHA-256 e15bef4234d69bf9…

MALICIOUS

Office (OOXML) / .DOC

10.1 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 12.0000 First seen: 2022-08-19
MD5: ab916830d48797c85368040f7db5de6c SHA-1: 967b1ee7a2be5f9a5f6ce7d1c0d63c39840b684a SHA-256: e15bef4234d69bf977981bcb731286c94c9b8f1ee074dc0354275a779a766da6
122 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The sample exhibits critical heuristic firings for remote template injection and external relationships, pointing to a malicious OOXML document. The primary malicious URL identified is http://3322698157/.-------.--.----------.--------------------.................--------/dDd_-----------D----------........d-----....dD--..-------....D-dDd--..---dD...dothtml, which is likely used to download and execute a second-stage payload. The ClamAV detection as Doc.Downloader.Redline-9972754-0 further supports its role as a downloader.

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://3322698157/.-------.--.----------.--------------------.................--------/dDd_-----------D----------........d-----....dD--..---) — 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://3322698157/.-------.--.----------.--------------------.................--------/dDd_-----------D----------.......
  • 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://3322698157/.-------.--.----------.--------------------.................--------/dDd_-----------D----------........d-----....dD--..---
    • http://3322698157/.-------.--.----------.--------------------.................--------/dDd_-----------D----------........d-----....dD--..-------....D-dDd--..---dD...dothtml
    • http://3322698157/.-------.--.----------.--------------------.................--------/dDd_-----------D----------
    • 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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