Emotet Office (OLE) / .DOCX malware analysis — malicious · 9fe31939ad54dec8

MALICIOUS

Office (OLE) / .DOCX

143.7 KB Created: 2020-09-25 19:15:00 Authoring application: Microsoft Office Word

MD5: d2c24c29e2aacebf31bdbbf7481c4e44 SHA-1: fbbce36ba96857eb4ef767c875f0ac6138d65578 SHA-256: 9fe31939ad54dec8471cf54251993eb36affcf9dcbc1309ecb95a4b987811104

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 explicitly identifies it as 'Doc.Downloader.Emotet-9768415-1'. The presence of VBA macros and the downloader behavior strongly suggest Emotet family involvement. The embedded URL, though benign in reputation, is part of the document's structure and was flagged.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9768415-1 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9768415-1
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` `f7aec5ed0700c38686fed103b8e955ba1df17f289b657d0b562d676e1e8a24d1`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	16307 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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