Emotet Office (OLE) / .DOCX malware analysis — malicious · 32fbae9d70e182a0

MALICIOUS

Office (OLE) / .DOCX

201.1 KB Created: 2020-12-22 06:39:00 Authoring application: Microsoft Office Word

MD5: d61e37bb73d9b14f6f99fa2070418ab7 SHA-1: facfaa723dae7a26336ca3d6acee7fc04bd1d80b SHA-256: 32fbae9d70e182a0fb8050fd163d5d96e7a269a462d2f0d98c9ad301a56be59f

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The critical ClamAV detection and high-severity heuristics for VBA macros, specifically an auto-executing Document_Open macro that uses CreateObject, strongly indicate a malicious downloader. The presence of a VBA macro in the macros.bas file further supports this. The document body, though heavily obfuscated, contains patterns consistent with macro execution commands. The primary intent appears to be the execution of a second-stage payload via the detected VBA macro.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-10024800-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-10024800-0
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` `87b72d633bd79d3d21c1246dbcc11e62ebdefc06e96dee650ec7c8e181386692`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	16335 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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