Emotet Office (OLE) / .DOCX malware analysis — malicious · 46cfb218b8b268ef

MALICIOUS

Office (OLE) / .DOCX

157.1 KB Created: 2020-09-23 09:30:00 Authoring application: Microsoft Office Word

MD5: 813082c21006d7ba20a54d9ba20b19f9 SHA-1: 317302ea51365f2b14b63e2d7e68f61d62f2e99e SHA-256: 46cfb218b8b268ef4372057514f93c2282c6eeb1474b574f5f8a3c291cb6269e

280 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, including a Document_Open auto-exec macro, which is a common delivery mechanism for Emotet. The ClamAV detection explicitly identifies it as 'Doc.Downloader.Emotet-9765530-0'. The macros likely use CreateObject and GetObject to download and execute a second-stage payload. The document body content appears to be obfuscated or corrupted, providing no clear user-facing lure.

Heuristics 8

ClamAV: Doc.Downloader.Emotet-9765530-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9765530-0
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` `f2279a4d422668b89c293cd032386976cc753a5ff4104c672bc17e53928a662a`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	20002 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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