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

Static analysis result for SHA-256 bc74864594523857…

MALICIOUS

Office (OLE) / .DOC

123.5 KB Created: 2020-03-10 13:29:00 Authoring application: Microsoft Office Word
MD5: e9473094e63f461f784f3417b44c912f SHA-1: a4657fbb873114ac8cdebfca5456a3e0b970ea15 SHA-256: bc7486459452385774b2a0b8a4a9d913abdae8955e23aa4688864bb896e48fea
222 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.005 Visual Basic T1204.002 Malicious File

The file is a malicious OLE document containing VBA macros, specifically a Document_Open macro that executes when the document is opened. The document body presents a lure, instructing the user to enable editing and macros to view court filing details, while also embedding a URL to www.firstlegal.com. The presence of a Document_Open macro and the lure strongly suggest a downloader or droppper functionality, likely intended to fetch and execute a second-stage payload. The ClamAV detection as 'Xls.Downloader.Generic-7615972-0' further supports this assessment.

Heuristics 8

  • ClamAV: Xls.Downloader.Generic-7615972-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Xls.Downloader.Generic-7615972-0
  • 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.
  • VBA macros detected medium OLE_VBA_MACROS
    Document contains VBA macro code
  • Macro/content-enable lure medium SE_ENABLE_LURE
    Document instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings
  • Suspicious extracted artifact info 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.
  • 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.firstlegal.com
    • http://schemas.openxmlformats.org/drawingml/2006/main

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
6aa025ba01448264b07e32f439e7368986f211ca755b9687ea1401e1ce50d2c3		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 2879 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 2 long base64-like blob(s).

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