Emotet Office (OLE) / .DOCX malware analysis — malicious · 482b54b8d99750fa

MALICIOUS

Office (OLE) / .DOCX

151.9 KB Created: 2020-09-22 07:23:00 Authoring application: Microsoft Office Word

MD5: a79706fcd7339eceeddb339f1a1a9b22 SHA-1: 9a5bcf91f842d62ee594544b9e8ca896017202ba SHA-256: 482b54b8d99750fad27a5d6131580e9639eb71432b6befb5dd5ca0b27f67881f

280 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The critical ClamAV detection and high-severity heuristics for VBA macros, including auto-execution via Document_Open and CreateObject/GetObject calls, strongly indicate malicious intent. The presence of a VBA macro in 'macros.bas' further supports this. The ClamAV signature 'Doc.Downloader.Emotet-9765070-0' directly attributes this file to the Emotet family, which is known for its downloader capabilities. The embedded URL, though benign in reputation, is often used in conjunction with malicious payloads.

Heuristics 8

ClamAV: Doc.Downloader.Emotet-9765070-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9765070-0
Document_Open macro high OLE_VBA_DOCOPEN

Document_Open macro
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject call
GetObject call high OLE_VBA_GETOBJ

GetObject 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` `37ce3f491be0f3d0a753fc5c7339c798cd89a6843cff6094a48ab180ad94ccb1`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	16563 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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