Emotet Office (OLE) / .DOCX malware analysis — malicious · 67970d04d249e3c5

MALICIOUS

Office (OLE) / .DOCX

148.4 KB Created: 2020-09-28 14:26:00 Authoring application: Microsoft Office Word

MD5: 9c6afceb165a8c753d8c6b4055ba15c4 SHA-1: 1bdd8aa7c9d84539a21efebf8a6011728c3055a8 SHA-256: 67970d04d249e3c558f59f80fe636ddf74af81ab27ad1d6c8d915657276e92e3

202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The sample contains VBA macros, specifically a Document_Open auto-execution macro, which is a common technique for Emotet. The macro uses CreateObject to execute obfuscated code, likely to download and run a secondary payload. The ClamAV detection also strongly suggests Emotet.

Heuristics 6

ClamAV: Doc.Malware.Emotet-9768663-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9768663-0
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.

Filename	Kind	Source	Size
`macros.bas` `52573b116f951816e527b23fd5cfdfc578caca117ddeb459f950d0953f709442`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	6643 bytes

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