Emotet Office (OLE) / .DOCX malware analysis — malicious · 4be9c13137a7afe4

MALICIOUS

Office (OLE) / .DOCX

169.3 KB Created: 2020-09-16 21:06:00 Authoring application: Microsoft Office Word

MD5: 3fb80936c08b007cc829e98faa43931a SHA-1: 8d6d86620182c88cb51944c71586e7e13afc7f5c SHA-256: 4be9c13137a7afe484e5ef71a404a5b9b910d2ca17ccfcb7524ead6a5e530ace

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The file contains VBA macros, specifically a Document_Open macro that uses CreateObject, indicating an auto-execution attempt. ClamAV detection confirms this as Doc.Downloader.Emotet-9762248-0. The macro likely downloads and executes a secondary payload, consistent with Emotet's behavior. The embedded URL, though benign, was likely a placeholder or part of the document structure.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9762248-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9762248-0
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` `399b09c8d74ca70c14382a3c60b3f313640ed0e229ce8a9c8a5d7036140d7260`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	19085 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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