Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 18c94a8cfa390d10…

MALICIOUS

Office (OLE) / .DOC

157.7 KB Created: 2021-01-12 19:59:00 Authoring application: Microsoft Office Word
MD5: 94d790d89cdb143b004ef5b26dc6790e SHA-1: 3aacd57e7327ed68c48eb9e75c5577e7e3d89818 SHA-256: 18c94a8cfa390d1035f6ff7c6c630bce54043e7618f101bb8d5512d695e8f733
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample is identified as malicious by ClamAV with the signature 'Doc.Downloader.EmotetRed02224-9938637-0'. Static analysis reveals the presence of VBA macros, specifically a Document_Open macro that utilizes CreateObject, indicating an attempt to execute code. The obfuscated VBA script likely attempts to download and execute a secondary payload, a common characteristic of Emotet droppers.

Heuristics 6

  • 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.
  • 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
d9fa5da489a01f9a174442037453154331cd742be0580a227c65ae830d57ea2d		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 7310 bytes

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