Emotet Office (OLE) / .DOCX malware analysis — malicious · 414edf5c1a9e8de4

MALICIOUS

Office (OLE) / .DOCX

224.9 KB Created: 2020-09-21 04:09:00 Authoring application: Microsoft Office Word

MD5: f7aa185cad8a610facff1a9bcab48930 SHA-1: 7033f06745332f97f202fba87fcc16551a41dd28 SHA-256: 414edf5c1a9e8de40c1ac18c36577dbda66520cd3c54ef83c5d1b08a92258773

280 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The file is identified as malicious by ClamAV with the signature 'Doc.Dropper.EmotetIOS-9402070-0', strongly suggesting it belongs to the Emotet family. High-severity heuristics indicate the presence of a Document_Open macro that uses CreateObject and GetObject, which are common techniques for executing malicious payloads. The macro's auto-execution and p-code execution tokens further confirm its malicious intent. The primary attack pattern involves leveraging VBA macros to initiate the execution chain.

Heuristics 8

ClamAV: Doc.Dropper.EmotetIOS-9402070-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Dropper.EmotetIOS-9402070-0
Document_Open macro high OLE_VBA_DOCOPEN

Document_Open macro
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject call
GetObject call high OLE_VBA_GETOBJ

GetObject 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` `5616715bcc9f37a507701fce0794395b42220e4bc894eb29a7aefa2b3d5ff263`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	19230 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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