Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 7a8024cf777ab45c…

MALICIOUS

Office (OLE) / .DOC

187.7 KB Created: 2020-09-16 18:57:00 Authoring application: Microsoft Office Word
MD5: 00b6f32541b2effa646262654a91205e SHA-1: 05a5b929f07fcbb06048de8d8b160a82066949ab SHA-256: 7a8024cf777ab45c5c969c5efff3dd4f289bc22baf1c91bd884fc2d29435c884
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample is a malicious Office document containing VBA macros, specifically a Document_Open macro that uses CreateObject to execute code. ClamAV detection explicitly identifies it as 'Doc.Downloader.Emotet-9762284-0'. The VBA script, though obfuscated, indicates the execution of a secondary payload, likely a downloader, which is characteristic of Emotet's behavior. The embedded URL, while benign, is noted as present.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9762284-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9762284-0
  • 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.
  • 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
c8eacd47a01532c076db7a43a0d927f95cb78ca92fb9fc841101993b58287d9b		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 19132 bytes

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