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

Static analysis result for SHA-256 428eee892bbad847…

MALICIOUS

Office (OLE) / .DOC

167.0 KB Created: 2020-12-16 15:10:00 Authoring application: Microsoft Office Word
MD5: 02e56dea55c6321bcc1cade7ffd9980b SHA-1: 6864899fe7cbca9c6742f427e9ca51e48e5a3420 SHA-256: 428eee892bbad847ba1905590497df16baa926834d216365ed860a142643646f
142 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The file exhibits high-severity heuristics indicating the use of Windows Script Host and an auto-execution VBA macro that calls GetObject, suggesting an attempt to download and execute a second-stage payload. Although VBA macros could not be directly extracted due to an unsupported format, the presence of multiple unknown URLs strongly supports the downloader functionality. The ClamAV detection as 'Doc.Downloader.ChristmasGift' further reinforces this assessment.

Heuristics 5

  • ClamAV: Doc.Downloader.ChristmasGift-9845923-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.ChristmasGift-9845923-0
  • Reference to Windows Script Host high SC_STR_WSCRIPT
    Reference to Windows Script Host
  • VBA p-code auto-exec with execution tokens high OLE_VBA_PCODE_AUTOEXEC_EXEC
    Compiled VBA/cache stream contains an auto-execution token together with shell/download/object-execution tokens. This catches p-code-only or source-extraction-failure macro documents where visible source is unavailable.
  • Unsupported Office format for VBA extraction info OFFICE_FORMAT_UNSUPPORTED
    olevba could not extract VBA macros (AssertionError); format-agnostic byte-level scans still ran. Likely legacy, encrypted, or malformed OLE/OOXML — re-scanning the same bytes will yield the same outcome.
  • 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://mkzone.com.ng/bootstrap-4.0.0-dist/css/d3bB2mPme2rN.php
    • https://miatossolutions.com/lodzmyPJESoHbJK.php
    • http://www.prorish.com/wp-content/plugins/maintenance/includes/fonts/M8kiSjNOkR.php
    • https://puchoff.com/C40/resource/dpr_2.0/content/dam/ofuhIB4wKU2.php
    • https://yara2eatcheadle.co.uk/wp-content/plugins/codestar-framework/fields/background/0W5lSogzi.php
    • https://winnercircle.it/wp-content/plugins/astra-addon/classes/cache/8CNok0vJL.php
    • https://straitofgaming.com/phpmyadmin/js/vendor/openlayers/img/Oj9a5ggSO8V4S.php
    • https://acreclothing.com/iKnc2KZYIRbSTX.php
    • https://ntradrsventas.ga/wp-content/plugins/woocommerce/includes/abstracts/WYRmpQbadzXs.php
    • http://healthdepartmentnews.com/wp-content/plugins/themify-builder/img/builder/SDenBnhVAc.php
    • http://schemas.openxmlformats.org/drawingml/2006/main
    • http://www.w3.org/1999/XSL/Transform

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