Emotet Office (OLE) / .DOCX malware analysis — malicious · 3ff95e7223102007

MALICIOUS

Office (OLE) / .DOCX

202.8 KB Created: 2020-09-25 06:51:00 Authoring application: Microsoft Office Word

MD5: 3526fe4b97847b87e412295c9c686cc6 SHA-1: 17f2dde7d3d165b3b85d810cb7120b17b4223c88 SHA-256: 3ff95e7223102007ee83d55571b3345c84f34e7da2ddfbe8405cf2d513f8f18c

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The critical ClamAV detection and high-severity heuristics for VBA macros, including auto-execution via Document_Open and CreateObject calls, strongly indicate malicious intent. The presence of a VBA macro that likely executes a PowerShell command suggests a downloader functionality, consistent with Emotet's typical behavior of fetching and executing further stages. The document body's obfuscated text appears to be an attempt to hide the malicious script's true nature.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9767804-1 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9767804-1
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` `d802c65eb8f9df036cf46e9408744e30c5d95dae54b582b9f65ecb84ecb28fa8`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	25261 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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