Emotet Office (OLE) / .DOCX malware analysis — malicious · e410d8f38ef709b0

MALICIOUS

Office (OLE) / .DOCX

153.9 KB Created: 2020-10-19 09:55:00 Authoring application: Microsoft Office Word

MD5: a11312fd0a30e1e9727e024024285693 SHA-1: 045d8ef318c246751f78596333f8f35f8af22d96 SHA-256: e410d8f38ef709b0bb54bd8aec8fa749d067353651d3e8c7521be25f1819502e

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-execution macro, which is a strong indicator of malicious intent. The ClamAV detection explicitly names this as 'Doc.Downloader.Emotet-9780434-0', confirming its role as a downloader. The presence of CreateObject calls further supports the execution of external code. The obfuscated document body text does not provide direct clues to the lure, but the technical indicators strongly suggest a downloader function typical of Emotet.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9780434-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9780434-0
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` `1480f6f3dc12ae5544443e21682a29de409fc914bcdbfb39f5c72e71174c3bfb`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15487 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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