Emotet Office (OLE) / .DOCX malware analysis — malicious · 3cb13ded7feec802

MALICIOUS

Office (OLE) / .DOCX

148.1 KB Created: 2020-09-28 14:26:00 Authoring application: Microsoft Office Word

MD5: e192aae0dd8d0b74643cf3f6d6d1bece SHA-1: 0be715e7e5e6585ec284f5510d12853f379d6abf SHA-256: 3cb13ded7feec80287617314a5afb7c7b8329e42c771f850c6de443ce33869f4

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1059.001 PowerShell

The sample was detected as malicious by ClamAV with the signature Doc.Malware.Emotet-9768663-0, strongly indicating the Emotet family. High-severity heuristics confirm the presence of a VBA macro within a Document_Open auto-execution function, which is a common delivery mechanism for Emotet. This macro is designed to execute arbitrary code, likely to download and run a secondary payload.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9768663-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9768663-0
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` `52573b116f951816e527b23fd5cfdfc578caca117ddeb459f950d0953f709442`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	6643 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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