Emotet Office (OLE) / .DOCX malware analysis — malicious · c6c39813aed2ed5a

MALICIOUS

Office (OLE) / .DOCX

153.8 KB Created: 2020-10-19 09:55:00 Authoring application: Microsoft Office Word

MD5: e74f30a231ce85845f013962ae622fc2 SHA-1: df083f9ba511b603d487f8425a6e3377bbbf211f SHA-256: c6c39813aed2ed5a619cd6ce72843a83da64a77be5ddfbcafaa11903ca7f0f1b

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1105 Ingress Tool Transfer

The critical ClamAV detection and high-severity heuristics for OLE_VBA_MACROS, OLE_VBA_DOCOPEN, OLE_VBA_CREATEOBJ, and OLE_VBA_PCODE_AUTOEXEC_EXEC strongly indicate malicious VBA macro activity. The presence of a Document_Open macro that uses CreateObject suggests the execution of code upon opening the document. This is consistent with Emotet's typical behavior of downloading and executing further stages. The document body content, though heavily obfuscated, appears to be part of the lure or payload, further supporting the malicious intent.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9780434-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9780434-0
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` `1480f6f3dc12ae5544443e21682a29de409fc914bcdbfb39f5c72e71174c3bfb`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15487 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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