Emotet Office (OLE) / .DOCX malware analysis — malicious · e809029e144d5852

MALICIOUS

Office (OLE) / .DOCX

189.5 KB Created: 2020-10-27 23:09:00 Authoring application: Microsoft Office Word

MD5: d86e6899ec6ff0cd99da157783c09e6b SHA-1: ea8010cbbb8df34681cf5c2691a32f1ecb2ae8ef SHA-256: e809029e144d585294881c1cc21836d527c1547b45b9f97446ca6bc9987c3ee8

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1059.001 PowerShell

The critical ClamAV detection and high-severity heuristics for VBA macros, specifically an auto-executing Document_Open macro that uses CreateObject, strongly indicate malicious intent. The presence of VBA macros and the detection signature point to the Emotet family. The document body appears to be heavily obfuscated, but the macro's execution of CreateObject suggests it is likely downloading and executing a second-stage payload.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9784450-1 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9784450-1
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.
Suspicious extracted artifact high EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
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` `32c875cc5445b529213c7b353e717e973bc3b3565cfb6b70a94210d83d471e9e`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	16135 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved macro source contains an auto-exec entry point and execution/download terms.

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