Emotet Office (OLE) / .DOCX malware analysis — malicious · 1c4ecce302371152

MALICIOUS

Office (OLE) / .DOCX

189.2 KB Created: 2020-09-16 12:20:00 Authoring application: Microsoft Office Word

MD5: b2e39479bbb723d4f96ca70fcde60b24 SHA-1: aefa2772dae27996af36c5d77e6e32127b13cc92 SHA-256: 1c4ecce3023711528c00396349d729f29e62a5d5c55fc38adf7070cc1ec39ede

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell T1566.001 Spearphishing Attachment

The file contains a malicious VBA macro, specifically a Document_Open auto-exec macro, which is a common delivery mechanism for Emotet. The macro utilizes CreateObject to execute arbitrary code. The ClamAV detection explicitly names Emotet, increasing confidence in the family attribution. No specific URLs or other IOCs were extracted beyond the ClamAV signature.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9762404-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9762404-0
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.
Suspicious extracted artifact high 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.
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` `49b4ebbf014fb7982286797412148a9d5a2325fbd8b23512b4e2381b987c3c86`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	21867 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved macro source contains an auto-exec entry point and execution/download terms.

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