Emotet Office (OLE) / .DOCX malware analysis — malicious · ce3d56bb9a92571d

MALICIOUS

Office (OLE) / .DOCX

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

MD5: ae668b732fcf8590858b3714e4a3996d SHA-1: 5e60bc42387a3e70a4d21675c3fc58dc30cf216c SHA-256: ce3d56bb9a92571db4a67479712b847889f5b07415451253d0dbbd0bfebc563e

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', indicating it's a dropper for Emotet. The presence of a Document_Open VBA macro that uses CreateObject and p-code auto-execution strongly suggests the macro is designed to run automatically and likely download additional malware. The document body content is heavily obfuscated and unreadable, providing no direct clues to the lure.

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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