Emotet Office (OLE) / .DOCX malware analysis — malicious · ea676e753bad1380

MALICIOUS

Office (OLE) / .DOCX

189.4 KB Created: 2020-09-18 14:02:00 Authoring application: Microsoft Office Word

MD5: 1b56d9314a24868ed31c29f5f4328b7c SHA-1: 0cdd9e07747d14c526380419a7d7b7815a77a118 SHA-256: ea676e753bad13801a314d24b69b710dadbe8afbaaf399c1ad2dff18c0d7b3f2

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell T1566.001 Spearphishing Attachment T1204.002 Malicious File

The file is detected as Emotet by ClamAV. High-severity heuristics indicate the presence of VBA macros, specifically a Document_Open auto-execution macro that uses CreateObject. This suggests the macro is designed to run automatically when the document is opened, likely to download and execute a secondary payload. The presence of VBA macros and the auto-execution behavior are characteristic of Emotet's delivery mechanism.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9763588-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9763588-0
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` `439e57830647c2aa4289de5e25d2759440b9e1601599acc03def2897db1f3da9`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	20114 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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