Emotet Office (OLE) / .DOCX malware analysis — malicious · fca203eed40026ce

MALICIOUS

Office (OLE) / .DOCX

182.5 KB Created: 2020-10-27 09:55:00 Authoring application: Microsoft Office Word

MD5: 64eabcc7ca91941efce5e27d40bd7b07 SHA-1: 19b86bda21e52e3ca368a465beb1d41bd6cf407a SHA-256: fca203eed40026ce88fa67b051584a98ce7709df861b0ad2b29dd7d448962ad0

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The critical ClamAV detection explicitly identifies this file as Emotet, a known downloader. The presence of a Document_Open VBA macro, combined with a CreateObject call, strongly indicates that the macro is designed to execute malicious code upon opening. This code is likely responsible for downloading and executing a second-stage payload, a common Emotet tactic. The obfuscated document body text does not provide further context on the lure.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9784225-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9784225-0
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` `d266e0e433b4f1ca206b8db182ee793bd3229a389f65ad6b52e9aace0436fd0a`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15938 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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