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

Static analysis result for SHA-256 9461d075ec5d9590…

MALICIOUS

Office (OLE) / .DOC

115.0 KB Created: 2020-12-16 17:22:00 Authoring application: Microsoft Office Word
MD5: fe564de5b7e67fcf6dc786b320c8870e SHA-1: e4efb2fe691476f0bd21e25d3c0d4ae5c55be827 SHA-256: 9461d075ec5d9590058e8623dded5d08da956a523f4806f2eb0567097a5d075b
288 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1059.001 PowerShell

The sample contains a Document_Open macro that utilizes GetObject and references Windows Script Host, indicating an attempt to execute code. The macro likely downloads and executes a second-stage payload from one of the embedded URLs. ClamAV detection as Doc.Downloader.ChristmasGift-9845923-0 further supports this assessment.

Heuristics 9

  • 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
  • Document_Open macro high OLE_VBA_DOCOPEN
    Document_Open macro
  • GetObject call high OLE_VBA_GETOBJ
    GetObject call
  • 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.
  • Suspicious extracted artifact high EXTRACTED_FILE_STATIC_TRIAGE
    One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
  • VBA macros detected medium OLE_VBA_MACROS
    Document contains VBA macro code
  • Environ() call (env variable access) low OLE_VBA_ENVIRON
    Environ() call (env variable access)
  • 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://www.prorish.com/wp-content/plugins/maintenance/includes/fonts/M8kiSjNOkR.php
    • https://samarth.group/hdisz7c/cache/J0CLLNQwA.php
    • https://solodarydar.net/wFXyt8RWl3N.php
    • https://edu.findx.lk/myclass/dropzone/dist/min/RGtCZbiyLoFsOXZ.php
    • https://www.xaqan.co/wp-admin/6MhAB8xj.php
    • https://acreclothing.com/iKnc2KZYIRbSTX.php
    • https://straitofgaming.com/phpmyadmin/js/vendor/openlayers/img/Oj9a5ggSO8V4S.php
    • https://moremoreno.com/wordpress/wp-includes/js/mediaelement/renderers/Oqg6MzDJOm.php
    • http://sfcityofchampions.com/wp-content/themes/twentyseventeen/template-parts/footer/ICTmBubzh0aplqS.php
    • http://schemas.openxmlformats.org/drawingml/2006/main
    • http://www.w3.org/1999/XSL/Transform
    • http://studyingincalifornia.free.fr/blog/wp-includes/SimplePie/Decode/HTML/M1QfrbH3jXFmX8U.php

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
3c72852aba346ac5a4c0cecbc4c7d92e5b99fca9728700dafd9eb11eeecd6afe		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 46739 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 125 Chr/ChrW string-construction calls. Carved macro source contains an auto-exec entry point and execution/download terms.

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