Emotet Office (OLE) / .DOCX malware analysis — malicious · 7504125a6d20afa5

MALICIOUS

Office (OLE) / .DOCX

159.0 KB Created: 2020-09-15 21:35:00 Authoring application: Microsoft Office Word

MD5: 4256e0c262659753249491d64d0a21e8 SHA-1: fe12c4f3a88893d2100343ce4100c386a3f1a5e9 SHA-256: 7504125a6d20afa52bca1888f1402f956e471bc9ba2c4e1c5815536c5631822e

202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1105 Ingress Tool Transfer

The sample contains VBA macros, including a Document_Open auto-execution macro, which is a common technique for Emotet. The macro is designed to download and execute a second-stage payload. The ClamAV detection also specifically identifies this as Emotet.

Heuristics 6

ClamAV: Doc.Malware.Emotet-9762290-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9762290-0
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` `48aeeefcb5ab39bdc7a9844f7217739e7dc8c9cb3f8a901965d3ff17ec851125`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	25311 bytes

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