Emotet Office (OLE) / .DOCX malware analysis — malicious · cbda1187a1460724

MALICIOUS

Office (OLE) / .DOCX

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

MD5: 9e1357a23ae0003ab9f939a049348ae3 SHA-1: f319360a2e4dc099924308f5439589e5d4243fd9 SHA-256: cbda1187a146072426536b9a4a18f43a11d4ae3fa405b9e59627019f1aa6c21f

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The sample contains a VBA macro that is automatically executed upon opening the document, as indicated by the OLE_VBA_DOCOPEN and OLE_VBA_PCODE_AUTOEXEC_EXEC heuristics. ClamAV detection confirms this as Emotet malware. The macro's likely intent is to download and execute a second-stage payload, a common Emotet delivery technique. No specific URLs or executable artifacts were directly extracted, but the ClamAV signature provides strong attribution.

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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