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

Static analysis result for SHA-256 8d9a02813512edd6…

MALICIOUS

Office (OLE) / .DOCX

155.7 KB Created: 2020-12-28 15:43:00 Authoring application: Microsoft Office Word
MD5: 9859f9a21c66378f7e3575c62dc09ca4 SHA-1: f50333a9dd9f392b1355e21020a21a3bb3e183c1 SHA-256: 8d9a02813512edd63ccfd3e8f51ae6d7106de5c27f24b8c804ecb90dc1fb47b5
280 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1566.001 Spearphishing Attachment T1059.005 Visual Basic

The sample contains VBA macros, including an auto-executing Document_Open macro that uses CreateObject. This is indicative of a downloader. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic suggests the document's content is designed to prompt the user to enable macros by claiming the content is password-protected. The ClamAV detection 'Doc.Downloader.EmotetRed02224-9938637-0' further supports the downloader classification. The embedded URL, while marked benign, is likely a placeholder or part of the document's lure.

Heuristics 8

  • ClamAV: Doc.Downloader.EmotetRed02224-9938637-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.EmotetRed02224-9938637-0
  • Document_Open macro high OLE_VBA_DOCOPEN
    Document_Open macro
  • CreateObject call high OLE_VBA_CREATEOBJ
    CreateObject 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.
  • 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
  • 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
  • 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.openxmlformats.org/drawingml/2006/main

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
a004a96685dc375590aeec65acf06fce9e74ef2bbe0aa7a48bc315f9645e3700		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 6009 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved macro source contains an auto-exec entry point and execution/download terms.

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