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

Static analysis result for SHA-256 bf7a8d81315953ca…

MALICIOUS

Office (OOXML) / .DOC

1.50 MB Created: 2022-09-25 21:29:00 UTC Authoring application: Microsoft Office Word 16.0000 First seen: 2022-09-28
MD5: 00e6e9ed4666623860686c123ed334f0 SHA-1: 8031088ef9d341e725d515d7089feb1069ea0b3a SHA-256: bf7a8d81315953cada61abcc34ea9241d07f2d44c1e445deb3f74f7fd842879e
70 Risk Score

Malware Insights

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

The sample utilizes remote template injection, indicating an attempt to load external content. The presence of external hyperlinks further suggests a redirection to malicious resources. The document body contains what appears to be a news article, likely a lure to disguise the malicious intent of loading a remote template.

Heuristics 4

  • Remote template injection high OOXML_REMOTE_TEMPLATE
    Document references a remote template URL (http://word2022.c1.biz/template.dotm) — 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: http://word2022.c1.biz/template.dotm
  • External hyperlinks (18) low OOXML_EXTERNAL_HYPERLINKS
    Document contains 18 external hyperlinks — clickable URLs are stored as external relationships. First target: https://economist.co.kr/2022/09/23/finance/bank/20220923170119432.html
  • 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://economist.co.kr/2022/09/03/finance/bank/20220903070505236.html
    • https://economist.co.kr/2022/09/23/finance/bank/20220923170119432.html
    • 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
    • http://word2022.c1.biz/template.dotm

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