Emotet Office (OLE) / .DOC malware analysis — malicious · 8b991366df6e6280

MALICIOUS

Office (OLE) / .DOC

160.6 KB Created: 2020-09-15 23:02:00 Authoring application: Microsoft Office Word

MD5: 22da86509a9390bfe68ce178d3135740 SHA-1: 0829a767a9ddd4bbd82d3cdf04437384d10f7c4d SHA-256: 8b991366df6e62804eeda623c0e06939945612983aeba626d4f96f4dae99e828

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The sample contains VBA macros, including a Document_Open auto-execution macro, which is a strong indicator of malicious intent. The ClamAV detection explicitly names Emotet, a known downloader family. The embedded document body, though heavily obfuscated, appears to contain PowerShell commands, likely for downloading and executing a secondary payload. The presence of the 'macros.bas' artifact further supports the macro-based execution vector.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9762287-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9762287-0
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` `2463ca5944a3498304fe918280f5b6583e6e8da36e1a3b40714097a3ead5b81e`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	25024 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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