Emotet Office (OLE) / .DOCX malware analysis — malicious · 780ffddf2dd1fac9

MALICIOUS

Office (OLE) / .DOCX

186.9 KB Created: 2020-10-30 04:19:00 Authoring application: Microsoft Office Word

MD5: 59cb60c245b690b5c6cb01f568a969ba SHA-1: 2e4121513c16b56fec2a2c28f58f12f500657de8 SHA-256: 780ffddf2dd1fac9d6fc091c707c84751ea2180a253431c3b4700989bd3fc21c

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File

The critical ClamAV detection and high-severity heuristics for VBA macros, specifically an auto-executing Document_Open macro using CreateObject, strongly indicate malicious intent. The presence of a VBA macro in the macros.bas file, combined with the detection of an embedded URL, suggests the document is designed to download and execute a secondary payload, consistent with Emotet's typical behavior. The obfuscated document body content does not provide further context on the lure.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9785300-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9785300-0
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.
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` `f7e154fbc1687723523f4f201e3a1591c84897657fe14056a01af3060d347cbe`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	17509 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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