Emotet Office (OLE) / .DOCX malware analysis — malicious · 0f3f04ac85e78d80

MALICIOUS

Office (OLE) / .DOCX

162.4 KB Created: 2020-10-16 18:44:00 Authoring application: Microsoft Office Word

MD5: 0b9948ccc381bd2fe1bac00a11f44b51 SHA-1: dec011234c50571315529d1a34bea644e18758af SHA-256: 0f3f04ac85e78d80efbda9617f67a8790049ba50df890fc992c9b0ea0688cb96

202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The sample contains VBA macros, specifically a Document_Open macro that utilizes CreateObject to execute code. This is a common technique for Emotet to download and execute a second-stage payload. The ClamAV detection explicitly names Emotet, further supporting this classification. The document body content is heavily obfuscated and does not provide direct clues to the lure.

Heuristics 6

ClamAV: Doc.Malware.Emotet-9778591-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9778591-0
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` `fcaa38ed96b1b218739bafc5403c2803ab83f37a0565afb297027068f0a0ee86`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15517 bytes

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