Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 1827154d65be4bbf…

MALICIOUS

Office (OLE) / .DOC

242.7 KB Created: 2020-01-16 07:07:00 Authoring application: Microsoft Office Word
MD5: 8f2e4c261eeffab435c0b14ba2937e76 SHA-1: 4f20415b6ec8531f6c64be4236e356fe46b8a03a SHA-256: 1827154d65be4bbfbe6b4e3de7f9021f69dbdffea84e9d54109219811b01c902
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The file is a malicious Microsoft Word document containing VBA macros. The 'Document_open' macro is present and configured to execute upon opening the document, as indicated by the 'OLE_VBA_PCODE_AUTOEXEC_EXEC' heuristic. ClamAV identifies this as Emotet, a known downloader family. The presence of the 'GetObject' call within the auto-executing macro suggests an attempt to load and run external code.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-7543228-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-7543228-0
  • 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
  • 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
278279a18f26c9c6dbc7dab90c818f4d0c3b3ee32bac8dd3cf0ce0929893ee49		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 11686 bytes

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