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

Static analysis result for SHA-256 f3e6e34b2d96164f…

MALICIOUS

Office (OOXML) / .DOC

107.7 KB Created: 2021-07-07 11:44:00 UTC Authoring application: Microsoft Office Word 16.0000
MD5: f75a0e4c7bf4653d308f8cb4789cb402 SHA-1: d345c645d5e41f1ccaf3de900a588a8b452af55e SHA-256: f3e6e34b2d96164ff15a44f84667bebd4cddfffb74ad743eb1165dc1d00ea1ce
122 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The OOXML document contains heuristics indicating remote template injection and external relationships, pointing to a malicious external resource. The primary IOC is the URL associated with these heuristics, which likely serves as a lure for downloading a secondary payload. The ClamAV detection further supports the malicious nature of the file, classifying it as a downloader.

Heuristics 4

  • ClamAV: Doc.Downloader.Office3steps12210-9915225-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Office3steps12210-9915225-0
  • Remote template injection high OOXML_REMOTE_TEMPLATE
    Document references a remote template URL (https://bigben-soft-down.com/ecm/ibm/1654790838/converter.dot) — 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/settings.xml.rels: https://bigben-soft-down.com/ecm/ibm/1654790838/converter.dot
  • 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://bigben-soft-down.com/ecm/ibm/1654790838/converter.dot
    • http://schemas.microsoft.com/office/word/2010/wordprocessingCanvas
    • http://schemas.microsoft.com/office/drawing/2014/chartex
    • http://schemas.openxmlformats.org/markup-compatibility/2006
    • http://schemas.openxmlformats.org/officeDocument/2006/relationships
    • http://schemas.openxmlformats.org/officeDocument/2006/math
    • http://schemas.microsoft.com/office/word/2010/wordprocessingDrawing
    • http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawing
    • http://schemas.openxmlformats.org/wordprocessingml/2006/main
    • http://schemas.microsoft.com/office/word/2010/wordml
    • http://schemas.microsoft.com/office/word/2012/wordml
    • http://schemas.microsoft.com/office/word/2015/wordml/symex
    • http://schemas.microsoft.com/office/word/2010/wordprocessingGroup
    • http://schemas.microsoft.com/office/word/2010/wordprocessingInk
    • http://schemas.microsoft.com/office/word/2006/wordml
    • http://schemas.microsoft.com/office/word/2010/wordprocessingShape

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