Emotet Office (OLE) / .DOCX malware analysis — malicious · 23cbfb675b383597

MALICIOUS

Office (OLE) / .DOCX

221.2 KB Created: 2020-09-18 06:55:00 Authoring application: Microsoft Office Word

MD5: dd536fc0b76744cd07c9a17cdca20302 SHA-1: ed9de3cb6f17aa5055deb2f69079fa05634a61cd SHA-256: 23cbfb675b38359788fb1f2ea9602ba6ad72c26ca1765dfe3c24d4c61b2e21e4

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File

The file is identified as malicious by ClamAV with the signature 'Doc.Dropper.EmotetWinMob0920-9636503-0', strongly suggesting the Emotet family. High-severity heuristics indicate the presence of a 'Document_Open' VBA macro that uses 'CreateObject' and p-code auto-execution, a common pattern for Emotet droppers. This macro is designed to download and execute a secondary payload.

Heuristics 7

ClamAV: Doc.Dropper.EmotetWinMob0920-9636503-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Dropper.EmotetWinMob0920-9636503-0
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` `88c8a6d475859011dad3993e76e09a2a592ce706e1bde139ef1cfc941be7102d`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	20707 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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