Emotet Office (OLE) / .DOC malware analysis — malicious · c128cbe5b024006a

MALICIOUS

Office (OLE) / .DOC

170.1 KB Created: 2020-12-21 08:45:00 Authoring application: Microsoft Office Word

MD5: d980e37492d05016d6f70c65d0268338 SHA-1: 0e872a9ef24c0be7bee8e82cdbf1cf99654efcba SHA-256: c128cbe5b024006a3b73f4c46f30cb2aa28229954fb451ab482ab21cce622835

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The critical ClamAV detection and high-severity heuristics for VBA macros, specifically an auto-executing Document_Open macro using CreateObject, strongly indicate Emotet. The document body, though heavily obfuscated, appears to be a lure to enable macros. The Document_Open macro likely executes a second-stage payload, consistent with Emotet's downloader functionality.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-10024800-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-10024800-0
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` `0fdc9223f52b7ee90ac3834adf4705b390b3503f5df6aece129089509fec490d`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	10321 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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