Emotet Office (OLE) / .DOCX malware analysis — malicious · 37e160826469f43f

MALICIOUS

Office (OLE) / .DOCX

190.5 KB Created: 2020-09-21 14:08:00 Authoring application: Microsoft Office Word

MD5: 9c5f9dc0e3face37a2c84bd11af4a56f SHA-1: cf3045b25e8c182245da6b599c50e5abc09a8b70 SHA-256: 37e160826469f43f38690f2a097190027c40e8d072c192c2dc36ac96a3855ca8

280 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The file is a Microsoft Office document with a high-confidence detection for Emotet malware. It contains VBA macros, specifically a Document_Open macro that uses CreateObject and GetObject calls, indicating it's designed to execute automatically. The ClamAV detection name directly points to Emotet. The presence of VBA macros and the auto-execution behavior strongly suggest a downloader or droppper functionality, typical of Emotet's initial infection vector.

Heuristics 8

ClamAV: Doc.Malware.Emotet-9765432-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9765432-0
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` `5f8ddf3f75befd9059f3326eb9e354f14c2179c2257f61708817109610baf98e`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	19074 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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