Emotet Office (OLE) / .DOC malware analysis — malicious · 0e82ac2a013c1b69

MALICIOUS

Office (OLE) / .DOC

161.3 KB Created: 2020-09-15 23:02:00 Authoring application: Microsoft Office Word

MD5: 029d3338e87187cd68c92f42766c50ac SHA-1: 045215f515fd4f87c4d24df5f4ef948807fd8cd3 SHA-256: 0e82ac2a013c1b6902b7376bb451c09164fdc082db23689987e204b0672fd1b1

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 uses CreateObject to likely download and execute a second-stage payload. ClamAV detection also confirms the malicious nature and identifies it as Emotet.

Heuristics 6

ClamAV: Doc.Downloader.Emotet-9762287-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9762287-0
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` `2463ca5944a3498304fe918280f5b6583e6e8da36e1a3b40714097a3ead5b81e`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	25024 bytes

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