Emotet Office (OLE) / .DOCX malware analysis — malicious · ed0368441397faf5

MALICIOUS

Office (OLE) / .DOCX

143.3 KB Created: 2020-09-29 09:08:00 Authoring application: Microsoft Office Word

MD5: 3f37f4c2c8db7866311f107677f0be7f SHA-1: c95026d1b8f0b141e85ebdaa452870c33088530a SHA-256: ed0368441397faf52705ecc74b8aded16d9f1e1cb1f3689b79d5f508bb8fd4af

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The file was detected as malicious by ClamAV with the signature 'Doc.Downloader.Emotet-9769137-0', indicating it is likely an Emotet downloader. High-severity heuristics confirm the presence of VBA macros, specifically a Document_Open macro that uses CreateObject, suggesting it attempts to execute code automatically. The presence of VBA macros and the Emotet family attribution strongly suggest a spearphishing attachment attack pattern.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9769137-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9769137-0
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` `2f5b3223d32b6b79c027453efef3c5410c27df5205b9cb2b32dd9a1e0304e007`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	8132 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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