Emotet Office (OLE) / .DOCX malware analysis — malicious · 598ccd618d44e7e5

MALICIOUS

Office (OLE) / .DOCX

155.7 KB Created: 2020-10-19 08:55:00 Authoring application: Microsoft Office Word

MD5: cc42c364c25c82d0d754f99add905254 SHA-1: 43b95bcbd3a0a98283f3d5299b85cc869cace33a SHA-256: 598ccd618d44e7e5becbf343fd495e8a0e85df3dafa4ef198bcf833b1fb6352f

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File

The critical ClamAV detection and high-severity heuristics for OLE_VBA_DOCOPEN, OLE_VBA_CREATEOBJ, and OLE_VBA_PCODE_AUTOEXEC_EXEC strongly indicate malicious VBA macro execution. The Document_Open macro is designed to run automatically, and the CreateObject call suggests the creation of objects to facilitate payload execution. The ClamAV signature specifically identifies this as an Emotet downloader.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9780414-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9780414-0
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` `e05e00e5695f255205cdf8f3c815d1b7180582c720372a44ffa69b0bf5e004ae`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15558 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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