Emotet Office (OLE) / .DOCX malware analysis — malicious · d45880473c509880

MALICIOUS

Office (OLE) / .DOCX

161.5 KB Created: 2020-09-24 14:59:00 Authoring application: Microsoft Office Word

MD5: ac154fe00322900e8e81b91c2f8c02a1 SHA-1: e5c6b57686aa3480266d16634165a3e8ca154249 SHA-256: d45880473c5098805fac94221c1a8d160d65028a7ec34bd85ec8e56782c57fff

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The critical ClamAV detection and high-severity heuristics for VBA macros, including an auto-executing Document_Open macro and CreateObject calls, strongly indicate malicious intent. The presence of a VBA macro that likely executes a PowerShell command suggests a downloader functionality, consistent with Emotet's typical behavior of fetching and executing further stages. The ClamAV signature further supports the Emotet family attribution.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9765780-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9765780-0
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` `478e525c35da71173721eac25da86734da83f0768f80b277d373c9cc7716a5ba`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	27607 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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