Emotet Office (OLE) / .DOCX malware analysis — malicious · cca9d247d6b6a9a8

MALICIOUS

Office (OLE) / .DOCX

179.0 KB Created: 2020-10-26 17:32:00 Authoring application: Microsoft Office Word

MD5: a9a19702d85c70d293cc021f14cd6f53 SHA-1: c5a27df5e3f67d57c82f150c667db80449c6ec9d SHA-256: cca9d247d6b6a9a8ddf13e33a1bb5b362ec0a59dc1ce159ef274af49a40d5b9f

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1204.002 Malicious File

The file contains VBA macros, specifically a Document_Open auto-exec macro, which is a strong indicator of malicious intent. The ClamAV detection explicitly identifies it as 'Doc.Downloader.Emotet-9784039-0', suggesting it's designed to download further malicious content. The presence of CreateObject calls further supports the dynamic execution capabilities of the macro.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9784039-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9784039-0
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` `fd86ec2eb619814e7cd62b76d9f6553c2ce07800d98173938893210dd89c469b`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15663 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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