Emotet Office (OLE) / .DOCX malware analysis — malicious · 374f707803f5f937

MALICIOUS

Office (OLE) / .DOCX

178.5 KB Created: 2020-10-26 07:35:00 Authoring application: Microsoft Office Word

MD5: cd7a8ac76f6911f9a9d69fd00f8cb3a7 SHA-1: 55614e3fd8b641adf6931b9361cfd04ff8401b90 SHA-256: 374f707803f5f937aad7ad2f832fcf1ad53d89dc9c566beee3cacc8a44bc5070

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1204.002 Malicious File

The file contains VBA macros, specifically a Document_Open auto-execution macro, which is a strong indicator of malicious intent. The ClamAV detection explicitly names this as 'Doc.Downloader.Emotet-9784039-0', and the presence of a CreateObject call further supports its role as a downloader. The embedded URL, though benign according to reputation, is likely a placeholder or part of a larger obfuscation scheme. The primary function appears to be downloading and executing a second-stage payload.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9784039-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9784039-0
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` `d0242cccf1fc69ef1bfc48b1645bc10ec37741bf93e2efd542678ac22956a298`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15455 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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