Malicious Office (OOXML) — malware analysis report

Static analysis result for SHA-256 939348443e7c7221…

MALICIOUS

Office (OOXML)

11.8 KB Created: 2020-05-07 07:07:00 UTC Authoring application: Microsoft Office Word 15.0000
MD5: 3f9641e4827c9b455d25373c9f943d75 SHA-1: b3cdd9ba7658ae28a7b98c296c61e2550fa0dbfc SHA-256: 939348443e7c722189e7ec28ea267e91f08345fb0ddf550152a83822e3fc957e
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious File

The OOXML document contains heuristics indicating remote template injection and external relationships, both pointing to the URL https://drive.google.com/uc?export=download&id=1YcOsNcGmp-oskGbjpnm-UjP-DH2OPqH1. This suggests the document is designed to download and execute a secondary payload from this external source, likely as part of a spearphishing attack.

Heuristics 3

  • Remote template injection high OOXML_REMOTE_TEMPLATE
    Document references a remote template URL (https://drive.google.com/uc?export=download&id=1YcOsNcGmp-oskGbjpnm-UjP-DH2OPqH1) — 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://drive.google.com/uc?export=download&id=1YcOsNcGmp-oskGbjpnm-UjP-DH2OPqH1
  • 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://schemas.microsoft.com/office/word/2010/wordprocessingCanvas
    • 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/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
    • https://drive.google.com/uc?export=download&id=1YcOsNcGmp-oskGbjpnm-UjP-DH2OPqH1

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