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

Static analysis result for SHA-256 90016f7bb8185bdf…

MALICIOUS

Office (OOXML) / .DOC

998.1 KB Created: 2023-03-03 22:05:00 UTC Authoring application: Microsoft Office Word 16.0000 First seen: 2023-03-24
MD5: 6c23134b6c6a637fbaefe1425dbff688 SHA-1: 5519a761400b895987d3373021a8dcec83f10429 SHA-256: 90016f7bb8185bdf92e213ba01119f774b2fec3ca84702ec6bf92bf5e86690f6
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document contains external hyperlinks and an external relationship pointing to a local network path, suggesting a potential lure. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document instructs the user on how to open a password-protected archive, a common technique to evade security controls. No scripts were extracted from this sample.

Heuristics 4

  • External relationship high OOXML_EXTERNAL_REL
    External target in word/charts/_rels/chart1.xml.rels: file:///\\ad\mkedfs\Health\DCP\Common\DCP_SHARED\CD\Communicable Diseases\INFLUENZA\Syndromic Surveillance\Respiratory S
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • External hyperlinks (5) low OOXML_EXTERNAL_HYPERLINKS
    Document contains 5 external hyperlinks — clickable URLs are stored as external relationships. First target: http://gis.cdc.gov/grasp/fluview/fluportaldashboard.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 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.microsoft.com/office/drawing/2016/5/12/chartex
    • http://schemas.microsoft.com/office/drawing/2016/5/13/chartex
    • http://schemas.microsoft.com/office/drawing/2016/5/14/chartex
    • http://schemas.openxmlformats.org/markup-compatibility/2006
    • http://schemas.microsoft.com/office/drawing/2016/ink
    • http://schemas.microsoft.com/office/drawing/2017/model3d
    • 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/2016/wordml/cid
    • 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://gis.cdc.gov/grasp/fluview/fluportaldashboard.html
    • https://www.cdc.gov/flu/weekly/index.htm#MS2
    • https://www.who.int/teams/global-influenza-programme/surveillance-and-monitoring/influenza-updates
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/sType/ResourceRef#

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