Emotet Office (OLE) / .DOCX malware analysis — malicious · fd63dec89395fb50

MALICIOUS

Office (OLE) / .DOCX

175.1 KB Created: 2020-10-30 13:48:00 Authoring application: Microsoft Office Word

MD5: 5c879823a2a6ee415f4c773d55a0d680 SHA-1: 280168469b69cb8b0d8cba43378d72fa9b33a146 SHA-256: fd63dec89395fb5024155fdfa24256fc31add9f974f2870e11fef458790d425f

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 heuristic directly identifies the sample as Emotet. High-severity heuristics indicate the presence of VBA macros, specifically a Document_Open auto-execution macro that uses CreateObject. This strongly suggests the macro is designed to download and execute a second-stage payload, a common Emotet delivery technique. The embedded URL, though benign in reputation, is noted as present.

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` `6ef446d7bbe59b96b37194ceef7dfc21ebc83ff1edf01838a31098c50a7e733f`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	17445 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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