Emotet Office (OLE) / .DOCX malware analysis — malicious · ff392c63d6e64a78

MALICIOUS

Office (OLE) / .DOCX

173.5 KB Created: 2020-10-20 14:16:00 Authoring application: Microsoft Office Word

MD5: 21b760419ddf4f41e94a8d7dccd7f449 SHA-1: fab1b9275ac8386f93508b773eaecd699a2cb854 SHA-256: ff392c63d6e64a782805f33b98965d41c66c5482e29729bd1c3bad013323b4ff

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The file contains a Document_Open VBA macro that is automatically executed upon opening the document. This macro is designed to create an object and execute code, strongly indicating a downloader or droppper functionality. The ClamAV detection name 'Doc.Malware.Emotet-9781039-0' directly attributes this sample to the Emotet family. The macro's execution of CreateObject and its auto-execution nature are key indicators of malicious intent, likely to download and execute a secondary payload.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9781039-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9781039-0
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` `417a16a51c05c178612698fd783ed577ce9b3b76b7f937b9782e824861e12aec`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	18804 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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