Emotet Office (OLE) / .DOC malware analysis — malicious · 3d4a1b3a76d67843

MALICIOUS

Office (OLE) / .DOC

166.0 KB Created: 2020-10-20 07:44:00 Authoring application: Microsoft Office Word

MD5: 99cd6a25ae9a178780cac689dfd24bab SHA-1: ac0c5e85fd47d4d1b4b9ca3fdf0f0f0954440308 SHA-256: 3d4a1b3a76d67843efc5b73f8b613058614827598424e6c904e0f5bbeb4ea8a6

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1105 Ingress Tool Transfer

The sample is a malicious Microsoft Word document containing VBA macros. The presence of a 'Document_Open' macro, coupled with a 'CreateObject' call and VBA p-code execution, strongly indicates an automated execution of malicious code upon opening. The ClamAV detection explicitly names this as Emotet, a known downloader family. The macro's likely intent is to download and execute a second-stage payload.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9780849-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9780849-0
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` `fb3c6f063d050666821bfd0644ebe2d3fb21cd7ffabaa154e94099136cfbefb6`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	17649 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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