Emotet Office (OLE) / .DOC malware analysis — malicious · 43a6bec17b6fdc26

MALICIOUS

Office (OLE) / .DOC

162.2 KB Created: 2020-09-18 04:35:00 Authoring application: Microsoft Office Word

MD5: 0dfeabad8d99d2e54c362e8342130e9c SHA-1: 789fc47cf4a577129a0c91991d581bef9abc3796 SHA-256: 43a6bec17b6fdc267149839c571d29f1f1f378ed36db0c25f2da41cd4262f99d

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The sample contains a Document_Open VBA macro that utilizes CreateObject, a common technique for Emotet. This macro is designed to execute a secondary payload, likely a downloader. The ClamAV detection explicitly names Emotet, providing strong attribution. The embedded URL, while benign, is part of the document's structure and not directly used for malicious activity in this context.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9763318-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9763318-0
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` `b0a943f27b229afc0d61565177642c9be098ce97924ee703fbff1ec25a707666`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	21996 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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