Emotet Office (OLE) / .DOCX malware analysis — malicious · 44b1cef1e901e0a9

MALICIOUS

Office (OLE) / .DOCX

153.3 KB Created: 2020-10-16 13:32:00 Authoring application: Microsoft Office Word

MD5: 1052483b813ee9a850fc09aa75739172 SHA-1: 6924c51b51c783161c4117b22245a1a8fe7208e5 SHA-256: 44b1cef1e901e0a9d22f2ccd97e66e2443191eb074c4f66f8ef92cb7be859cac

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 malicious VBA macro, specifically a Document_Open auto-execution macro, which is a common delivery mechanism for Emotet. The macro utilizes CreateObject to execute arbitrary code, as indicated by the heuristic firings. The ClamAV detection explicitly names Emotet, further supporting the family attribution. The document body content appears to be obfuscated or malformed, providing no direct insight into the lure.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9778560-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9778560-0
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` `80b8cf2680dee027d2b0bedfb311ad72d589d776013195663ff998d7cc50edcd`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15454 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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