Emotet Office (OLE) / .DOCX malware analysis — malicious · 4d1ca8add14a8075

MALICIOUS

Office (OLE) / .DOCX

161.5 KB Created: 2020-12-30 10:10:00 Authoring application: Microsoft Office Word

MD5: 85b670c52536e98b7af37c9191689615 SHA-1: b70f7c2e7be726717f5084246f32397a0671ea7d SHA-256: 4d1ca8add14a80752c9207b7de13b571c3984d51c34728e72bb562ff45ff8c39

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 auto-execution via Document_Open and CreateObject calls, strongly indicate malicious intent. The presence of a VBA macro suggests the document is designed to download and execute a secondary payload, consistent with Emotet's typical behavior. The embedded URL, though benign in reputation, is part of the document's structure and may have been used in prior versions or for other purposes.

Heuristics 7

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.
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` `663869ec393d0a50f151da4884835577fc196722b5e56686c64f3948abebb4bb`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	6571 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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