Emotet Office (OLE) / .DOCX malware analysis — malicious · ee5bd90d56bc6cb3

MALICIOUS

Office (OLE) / .DOCX

129.6 KB Created: 2020-10-14 12:13:00 Authoring application: Microsoft Office Word

MD5: 85808773635ba4f498902dcc30a749a7 SHA-1: 15dacbf57c277dee6301dfa1a352601587d9f21b SHA-256: ee5bd90d56bc6cb38d62c7ac2b5431ef804d65a47657aeb859ce89c464b9b3e7

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 indicate the presence of a malicious VBA macro designed to execute code. The 'macros.bas' artifact further confirms this. The ClamAV signature specifically names Emotet, a known downloader family. The document body appears to be heavily obfuscated or corrupted, preventing a clear understanding of its lure, but the macro's intent is to download and execute a second-stage payload.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9778018-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9778018-0
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` `9ff2f6164d63cd97fef8963d2b7a6ca348ed28032df5d8d3d018a1f3d500bd9b`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	9476 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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