Emotet Office (OLE) / .DOCX malware analysis — malicious · 3ea173647810d0a7

MALICIOUS

Office (OLE) / .DOCX

167.7 KB Created: 2020-10-20 05:21:00 Authoring application: Microsoft Office Word

MD5: 0c33ae4fca2b5c8a44bff427d24c73d0 SHA-1: 6c5afb439e0ee3cc21324160bcb62eb73c36cfde SHA-256: 3ea173647810d0a7530632c2cd005d222c3b7eee3f8b8ccf56409b8d2b53bf2a

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File

The critical ClamAV detection and high-severity heuristics for VBA macros, including an auto-executing Document_Open macro and CreateObject calls, strongly indicate malicious intent. The presence of the 'Emotet' family in the ClamAV signature further supports this classification. The VBA macros are likely responsible for downloading and executing a second-stage payload, a common Emotet delivery technique.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9780828-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9780828-0
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` `4588401bd42bd39b75b9dcc9e4ef6377522769140839001e1d2af1038d6019be`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	17619 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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