Emotet Office (OLE) / .DOC malware analysis — malicious · a50e9a4e0a68ead8

MALICIOUS

Office (OLE) / .DOC

164.5 KB

MD5: b73aaad383e86c4f339769a3640b9f1c SHA-1: 2af1a16a274cd9f798544eeea52ee4c131893509 SHA-256: a50e9a4e0a68ead8281c7740c52650015732aa7a4808b4e45ff20c9ff6c161d3

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The critical ClamAV detection and high-severity heuristics for VBA macros, specifically an auto-executing Document_Open macro that uses CreateObject, strongly indicate a malicious downloader. The presence of VBA macros and the detection name 'Doc.Downloader.EmotetRed0121-9822961-0' point towards the Emotet family. The primary function of this document is to execute embedded VBA code that likely downloads and runs additional malware.

Heuristics 7

ClamAV: Doc.Downloader.EmotetRed0121-9822961-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.EmotetRed0121-9822961-0
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` `2e7804ab75605a75d075d6d0c921f0be6aae14339dbe4dea8f7d3ec5e974f266`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	13232 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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