Emotet Office (OLE) / .DOC malware analysis — malicious · 5df81467774a7fdb

MALICIOUS

Office (OLE) / .DOC

161.8 KB Created: 2020-09-14 06:44:00 Authoring application: Microsoft Office Word

MD5: ac0b2bb83fc3744d6bb9fde02803c22e SHA-1: 670213988bf2046a0099e1b69a81f3aabda6e740 SHA-256: 5df81467774a7fdb84c982fcf66396609243e33557f93dc4d456ff7f3457afe6

202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The file contains VBA macros, including a Document_Open auto-execution macro, which is a common technique for Emotet. The macro is designed to create an object and execute code, likely to download and run a secondary payload. The ClamAV detection explicitly identifies this as Emotet.

Heuristics 6

ClamAV: Doc.Malware.Emotet-9762310-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9762310-0
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.
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` `94aa0eae3715e5e4c777d8559a3d12a3d055d6c09f9bd5aa9415cdba60070681`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	25226 bytes

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