Emotet Office (OLE) / .DOCX malware analysis — malicious · 736a92a1885634df

MALICIOUS

Office (OLE) / .DOCX

148.4 KB Created: 2020-09-28 14:26:00 Authoring application: Microsoft Office Word

MD5: f37c3ebac5ec6118ba89c1ad8017adff SHA-1: f4ac09dc97e0c25d9a4552de529a995118b0cff8 SHA-256: 736a92a1885634dfce901843ad45e4a1ea0016b71e18d254b1f02f577afd8adc

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 macro that uses CreateObject to execute code. ClamAV detection explicitly identifies it as Emotet. The VBA code appears to be obfuscated but is designed to download and execute a second-stage payload, a common Emotet behavior.

Heuristics 6

ClamAV: Doc.Malware.Emotet-9768663-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9768663-0
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` `52573b116f951816e527b23fd5cfdfc578caca117ddeb459f950d0953f709442`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	6643 bytes

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