Emotet Office (OLE) / .DOCX malware analysis — malicious · 8f9abf3adf4ba92d

MALICIOUS

Office (OLE) / .DOCX

179.5 KB Created: 2020-10-27 15:55:00 Authoring application: Microsoft Office Word

MD5: 6d686e0215f8f15dec0415a4d279117f SHA-1: e9e2fc13cb862937f7bb1a702f664d0b86968b28 SHA-256: 8f9abf3adf4ba92dbc235bf4256b50c7a104f29cbd536d3739dea21b36d46105

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The critical ClamAV detection and high-severity heuristics for VBA macros, specifically an auto-executing Document_Open macro that uses CreateObject, strongly indicate a downloader. The presence of VBA macros and the ClamAV signature 'Doc.Downloader.Emotet-9784225-0' point to the Emotet family. The macro likely downloads and executes a second-stage payload.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9784225-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9784225-0
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` `041f40187eb07e2256edf903ca2aa818eaff7dc6fcfd4bf44314c9f8902df953`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	16848 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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