Emotet Office (OLE) / .DOCX malware analysis — malicious · c9146e559eeaafb3

MALICIOUS

Office (OLE) / .DOCX

155.2 KB Created: 2020-10-16 06:31:00 Authoring application: Microsoft Office Word

MD5: c36ccdded428cbc172187f37bdeb5d78 SHA-1: 9cc19912380cde6e691216275f3ad527d06fc2ed SHA-256: c9146e559eeaafb38494a657eb583b6833b2c35dd60eafe2140ee8bc22150c96

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The critical ClamAV heuristic identified the file as 'Doc.Downloader.Emotet-9778460-0', strongly suggesting the Emotet family. The presence of a VBA macro, specifically a Document_Open auto-executing macro that uses CreateObject, indicates the document is designed to run malicious code upon opening. This macro likely functions as a downloader, preparing to fetch and execute a second-stage payload. The truncated document body content does not provide further context on the lure.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9778460-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9778460-0
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` `d61a5c08d74b05c0be099936f48870810cfcd0fa95621c486c59e0d00fa9de51`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15430 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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