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

Static analysis result for SHA-256 b0e090c3dcbb61b9…

MALICIOUS

Office (OOXML) / .DOC

179.5 KB Authoring application: Microsoft Office Word 12.0000 First seen: 2022-12-08
MD5: 9e4b9ff1f4ac3230244f31fd2759ee0b SHA-1: 32b102eaebe712c52925f0052c0ca9ff921679e3 SHA-256: b0e090c3dcbb61b9c7af8da1a691e399f11a02b0937533141a75bbfc72c85ceb
62 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The OOXML_REMOTE_TEMPLATE and OOXML_EXTERNAL_REL heuristics indicate that the document is configured to fetch content from an external URL. This URL, http://outlooksyn.com/FpUCu5h6W2/R/YHXCCUK7bk34tzd6GA2AAAATqzjlQ4FwFifvY2EpuSOyN+L1n/16mONopqdw8+w6xh4qXcxhOLWxvIZbHxRr6y5A/kdSgdL, is highly suspicious and likely serves as a dropper for a secondary payload. The document body is minimal and does not provide further context.

Heuristics 3

  • Remote template injection high OOXML_REMOTE_TEMPLATE
    Document references a remote template URL (http://outlooksyn.com/FpUCu5h6W2/R/YHXCCUK7bk34tzd6GA2AAAATqzjlQ4FwFifvY2EpuSOyN+L1n/16mONopqdw8+w6xh4qXcxhOLWxvIZbHxRr6y5A/kdSgdL) — 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://outlooksyn.com/FpUCu5h6W2/R/YHXCCUK7bk34tzd6GA2AAAATqzjlQ4FwFifvY2EpuSOyN+L1n/16mONopqdw8+w6xh4qXcxhOLWxvIZbHxRr6
  • 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://outlooksyn.com/FpUCu5h6W2/R/YHXCCUK7bk34tzd6GA2AAAATqzjlQ4FwFifvY2EpuSOyN+L1n/16mONopqdw8+w6xh4qXcxhOLWxvIZbHxRr6y5A/kdSgdL
    • http://outlooksyn.com/FpUCu5h6W2/R/YHXCCUK7bk34tzd6GA2AAAATqzjlQ4FwFifvY2EpuSOyN+L1n/16mONopqdw8+w6xh4qXcxhOLWxvIZbHxRr6
    • http://schemas.microsoft.com/office/word/2010/wordprocessingCanvas
    • http://schemas.microsoft.com/office/drawing/2014/chartex
    • http://schemas.microsoft.com/office/drawing/2015/9/8/chartex
    • http://schemas.microsoft.com/office/drawing/2015/10/21/chartex
    • http://schemas.microsoft.com/office/drawing/2016/5/9/chartex
    • http://schemas.microsoft.com/office/drawing/2016/5/10/chartex
    • http://schemas.microsoft.com/office/drawing/2016/5/11/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/2006/wordml
    • http://schemas.microsoft.com/office/word/2010/wordprocessingGroup
    • http://schemas.microsoft.com/office/word/2010/wordprocessingInk
    • http://schemas.microsoft.com/office/word/2010/wordprocessingShape

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