Emotet Office (OLE) / .DOCX malware analysis — malicious · 4de5afc6e3f8441a

MALICIOUS

Office (OLE) / .DOCX

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

MD5: f60060ce6210b633bcc2553d7cb0c46a SHA-1: cc80d6d0cdb67479d46eb491a9077b0362243a41 SHA-256: 4de5afc6e3f8441ab7e934289c6d0cba392fd84915d38cd181313f644fca41fa

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The file contains VBA macros, specifically a Document_Open auto-execution macro, which is a common technique for Emotet. The ClamAV detection explicitly names this file as 'Doc.Dropper.EmotetWinMob0920-9636503-0', strongly indicating the Emotet family. The macro likely downloads and executes a second-stage payload, consistent with Emotet's dropper functionality.

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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