Emotet Office (OLE) / .DOC malware analysis — malicious · d9140a29ffca0235

MALICIOUS

Office (OLE) / .DOC

198.5 KB Created: 2020-10-21 13:40:00 Authoring application: Microsoft Office Word

MD5: 00e52e464a1dffb6777021384a3e1de6 SHA-1: bf7d8ce622902ac3533c729e12081ceb1ad0d3eb SHA-256: d9140a29ffca02355e8b885163a54d58bcc095fafb564a9d8a8689b4ffdfde4f

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The file is identified as malicious by ClamAV with the signature 'Doc.Dropper.EmotetiBlueUpdate1020-9780531-0', indicating it's a dropper. Heuristics confirm the presence of VBA macros, specifically a Document_Open auto-execution macro that uses CreateObject, a common technique for downloading and executing further stages. The obfuscated document body content does not provide direct clues to the lure, but the macro behavior strongly suggests a downloader role, consistent with Emotet's typical distribution methods.

Heuristics 7

ClamAV: Doc.Dropper.EmotetiBlueUpdate1020-9780531-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Dropper.EmotetiBlueUpdate1020-9780531-0
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` `95eb3c5d035a5c49033717199bc50764986e3b5ab99bba0bc56e259ec5a3061f`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	23248 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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