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

Static analysis result for SHA-256 88ed555efa8022e7…

MALICIOUS

Office (OOXML) / .DOC

111.7 KB Created: 2021-07-07 11:44:00 UTC Authoring application: Microsoft Office Word 16.0000
MD5: f9277abde34e8ed699515b920ce7352f SHA-1: f9b90e40f1860d30ae6d8ea8c75ed0357b34c4a7 SHA-256: 88ed555efa8022e77f66f753a17d03ce3c043cc84c6382aeaabb4b957a4871f1
122 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The file exhibits critical heuristic firings indicating it is a downloader. Specifically, it uses remote template injection and an external relationship pointing to 'https://bigben-soft-down.com/ecm/ibm/1654790838/converter.dot'. This suggests the document is designed to fetch and execute a secondary payload from the specified URL, a common technique for malware distribution.

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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