Emotet Office (OLE) / .DOCX malware analysis — malicious · d5087cfa109d980e

MALICIOUS

Office (OLE) / .DOCX

154.2 KB Created: 2020-10-16 06:31:00 Authoring application: Microsoft Office Word

MD5: 52d43d031270c5e1e4e876da7df5bfcf SHA-1: e92b22855052f9c08cabb4d32d772fb5f3f6c9fb SHA-256: d5087cfa109d980e9d8c7f0bf3cc1da3ce48a170cfc67294f1cf8248049e9802

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The file contains VBA macros, specifically a Document_Open auto-exec macro, which is a common delivery mechanism for Emotet. The ClamAV detection explicitly names Emotet and identifies the file as a downloader. The presence of CreateObject calls further supports the execution of arbitrary code. The document body content is obfuscated and does not provide direct clues to the lure, but the technical indicators strongly suggest a downloader function.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9778460-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9778460-0
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` `d61a5c08d74b05c0be099936f48870810cfcd0fa95621c486c59e0d00fa9de51`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15430 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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