Emotet Office (OLE) / .DOCX malware analysis — malicious · 4a85964172bb7b39

MALICIOUS

Office (OLE) / .DOCX

170.0 KB Created: 2020-10-27 18:11:00 Authoring application: Microsoft Office Word

MD5: 83f47028b3b6fad07dd4b061ce8fe8e1 SHA-1: 446b4c12a6c90973e5427811fc40762925cdb240 SHA-256: 4a85964172bb7b3971c47929b9bdb5e54b312ddcf539fa7036e5cf18db89e07e

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The file contains a malicious VBA macro, specifically a Document_Open auto-execution macro, which is a common delivery mechanism for Emotet. The macro utilizes CreateObject to execute code, and ClamAV detection confirms it as Emotet. The obfuscated document body text does not provide further context on the lure, but the presence of the macro and the ClamAV signature strongly indicate malicious intent.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9784450-1 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9784450-1
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` `89a7392bd1c1f3fe3b1a4c5e97fc737fc9e550b299f3eb72f43817655c9c1c0c`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	16436 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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