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

Static analysis result for SHA-256 ca388cfa74508f5f…

MALICIOUS

Office (OLE) / .DOCX

163.5 KB Created: 2020-12-23 16:37:00 Authoring application: Microsoft Office Word
MD5: 492ff7263e7d43311dce5105e32d02b1 SHA-1: a53dc949999ecec4a5374aa69dbdd322016de23d SHA-256: ca388cfa74508f5fccb9fd5c8cd6fcc8dd778565d392fdf937f80213166f07ef
142 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The file was detected as malicious by ClamAV with the signature Doc.Downloader.ChristmasGift-9845923-0. Heuristics indicate the presence of Windows Script Host references and VBA p-code auto-execution, suggesting an attempt to run malicious scripts. Although VBA macros could not be fully extracted, the presence of these indicators points to a downloader functionality. The embedded URLs are likely used to fetch the secondary payload.

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://order.nordbyvaktmesterogvaktservice.no/wp-content/plugins/ecwid-shopping-cart/lib/JSONStreamingParser/NBIANZ3HYjHcNID.php
    • http://smartartcreations.in/wp-content/themes/astra/template-parts/404/Ic5D9fJ2SQN.php
    • http://antiquesonline.co.in/HXhmMXvugNZomms.php
    • https://mpcleaning.com.ng/bV7QVXR3xEb9K.php
    • https://petartics.com/DQteYIoes.php
    • http://arushagems.com/wp-content/plugins/yith-woocommerce-ajax-search/plugin-options/gutenberg/g5CuW8fs4qX8.php
    • http://events.thesnazzygo.com/TsKgEXfL7q.php
    • https://cnkmovil.com/wp-content/plugins/php-compatibility-checker/php52/vendor/egOIa0pQyQl3E.php
    • https://oodybaba.com/wp.old/wp-content/themes/online-shop/acmethemes/eBJ0QX4HW.php
    • https://ivfcyprusglobal.com/cRD1rGzt5sb.php
    • http://schemas.openxmlformats.org/drawingml/2006/main
    • http://www.w3.org/1999/XSL/Transform

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