Emotet Office (OLE) / .DOC malware analysis — malicious · 536f0ee8d3ed11f2

MALICIOUS

Office (OLE) / .DOC

159.0 KB

MD5: 461cc3265d9c75629ada9b5f0462a22c SHA-1: 9669792781b9b864675a9f7b1cd459c410b0e17f SHA-256: 536f0ee8d3ed11f29d4b94920b3fe91e4a01c2c669caf7c1116edca2e4885985

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The file is identified as malicious by ClamAV with a specific signature indicating it's a downloader. High-severity heuristics confirm the presence of VBA macros, specifically a Document_Open auto-execution macro that uses CreateObject. This strongly suggests the macro is intended to download and execute a second-stage payload. The ClamAV detection name 'EmotetRed0121' further supports the Emotet family attribution.

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` `8a462910f65fc057e90c745908924da5be2f067f062e45a5cb003ffd787ee4a6`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	13488 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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