Emotet Office (OLE) / .DOCX malware analysis — malicious · 17fd5dd4d03d97fe

MALICIOUS

Office (OLE) / .DOCX

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

MD5: 3a4190fb2099c6aab34e5f8d9268cef7 SHA-1: 6fc6f8af7e4641f144caadd6d12043ee5e3a213e SHA-256: 17fd5dd4d03d97fe15026bbb396bd51a6338d5b5c5284d1f962c3da4e2ec69d9

242 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The sample is a Microsoft Word document with a high-confidence detection for VBA macros, specifically a Document_Open macro that uses CreateObject and GetObject. ClamAV identifies the file as 'Doc.Malware.Emotet-9765432-0'. The VBA script, though obfuscated, contains array initializations and string manipulations typical of Emotet's downloader functionality, suggesting it is designed to fetch and execute further malicious content.

Heuristics 7

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.
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

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