Emotet Office (OLE) / .DOCX malware analysis — malicious · f957b94531f8d9fe

MALICIOUS

Office (OLE) / .DOCX

188.0 KB Created: 2020-09-29 13:18:00 Authoring application: Microsoft Office Word

MD5: 558d82f1b6b7c8e5d96da0deb51b18c9 SHA-1: b7a3d96bf6174e154c8d0e9a6b5cc92d4d9c6947 SHA-256: f957b94531f8d9fef937321def1f66c2e11a1e49a57157d7f88987ad23158a6c

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The critical ClamAV detection and high-severity heuristics for VBA macros, specifically the Document_Open auto-execution and CreateObject calls, strongly indicate malicious intent. The presence of a VBA macro named 'macros.bas' further supports this. The macro is designed to execute automatically when the document is opened, likely to download and execute a secondary payload, a common Emotet tactic. The obfuscated document body text, while not directly readable, is consistent with lures used by Emotet.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9769343-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9769343-0
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` `3466a25e0ec8edf0a3d6ff61e66e8183246c716be04ca7cccaa39032367b5dbf`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	10303 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved macro source contains an auto-exec entry point and execution/download terms.

Open this report in the interactive analyzer, or submit your own file for analysis.