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

Static analysis result for SHA-256 c7fb01e067db8208…

MALICIOUS

Office (OLE) / .DOC

521.5 KB Created: 2020-12-16 13:01:00 Authoring application: Microsoft Office Word
MD5: bc02fc1b55beaa111d5bbbd8ba0e3cf3 SHA-1: 1e8da602d16f6f216daea0bb2e124651a75c66d9 SHA-256: c7fb01e067db8208bfcc70c6b71064a937ac06fe87d1f698f4a6620a0cad1e29
142 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The file is detected as malicious by ClamAV as Doc.Downloader.ChristmasGift-9845923-0. The presence of a VBA auto-execution function (GetObject) and a reference to Windows Script Host strongly suggests that the document is designed to download and execute a secondary payload. Although VBA macros could not be extracted, the embedded URLs are indicative of a downloader or droppper functionality.

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://chipest.com.ng/wp-content/themes/twentyseventeen/template-parts/footer/OeIpLJdj3IGEb.php
    • http://aswm.in/wp-includes/sodium_compat/namespaced/Core/ChaCha20/COjMXDyEWbDGui.php
    • http://www.petro7.com.sa/focuson/wp-content/plugins/elementskit/compatibility/KaaNDKtIaX0sh.php
    • https://miatossolutions.com/lodzmyPJESoHbJK.php
    • https://mkzone.com.ng/bootstrap-4.0.0-dist/css/d3bB2mPme2rN.php
    • https://samarth.group/hdisz7c/cache/J0CLLNQwA.php
    • https://straitofgaming.com/phpmyadmin/js/vendor/openlayers/img/Oj9a5ggSO8V4S.php
    • https://ntradrsventas.ga/wp-content/plugins/woocommerce/includes/abstracts/WYRmpQbadzXs.php
    • https://www.flexiblecow.com/wp-content/themes/twentynineteen/template-parts/content/WiM3jcCU0.php
    • https://www.altavidatechnology.com/fonts/fontawesome/css/FyxgHuK7E1e.php
    • http://schemas.openxmlformats.org/drawingml/2006/main
    • http://www.w3.org/1999/XSL/Transform

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