Emotet Office (OLE) / .DOCX malware analysis — malicious · ded9f3fb1ba5dc5d

MALICIOUS

Office (OLE) / .DOCX

214.0 KB Created: 2020-10-27 05:52:00 Authoring application: Microsoft Office Word

MD5: 1e764e7b02e75517084bf333442e01af SHA-1: 2e7a4cda59a94ccb313c96d7189be5de4cfda514 SHA-256: ded9f3fb1ba5dc5dcf544c907adbfb4ad4afbb6023945a227698b015bd6c8470

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1204.002 Malicious File

The critical ClamAV detection and high-severity heuristics for VBA macros, specifically the Document_Open auto-execution and CreateObject calls, strongly indicate a malicious document. The presence of a VBA macro in macros.bas, coupled with the ClamAV signature, points to the Emotet family. The document's purpose is to download and execute a secondary payload, a common Emotet delivery technique.

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` `876efd50e919d9082c47104a676f266739e3ebd392e529f593b7ea04deb8a95e`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	16361 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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