Emotet Office (OLE) / .DOCX malware analysis — malicious · 621f149c8fdf5abb

MALICIOUS

Office (OLE) / .DOCX

185.2 KB Created: 2020-10-30 04:19:00 Authoring application: Microsoft Office Word

MD5: 4a35643d3900fe11382710a6b68f9490 SHA-1: 7ed917b01b7f0917428f1a920cfbb6ff6ce6eb3e SHA-256: 621f149c8fdf5abbc449baa3bc86423a799301ca3017950f0b173a6977033e88

202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The sample contains VBA macros, including a Document_Open auto-execution macro, which is a common technique for Emotet. The macro uses CreateObject to likely download and execute a second-stage payload. The ClamAV detection ID also explicitly names Emotet.

Heuristics 6

ClamAV: Doc.Malware.Emotet-9785300-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9785300-0
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` `f7e154fbc1687723523f4f201e3a1591c84897657fe14056a01af3060d347cbe`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	17509 bytes

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