Emotet Office (OLE) / .DOC malware analysis — malicious · fb0668d96c8cbdcf

MALICIOUS

Office (OLE) / .DOC

132.6 KB Created: 2020-09-30 18:26:00 Authoring application: Microsoft Office Word

MD5: 1f0ed09e92cf8a382d985624869f6bde SHA-1: 79d98de669baa1f9718375c765bcbcde3682b40f SHA-256: fb0668d96c8cbdcf1f69f7c6faf12c8a5ebb4182f8fe92489d8e3d31796609d9

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

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-9769771-0', confirming its classification as the Emotet downloader. The presence of the Document_Open macro and the CreateObject call suggests the script is designed to download and execute a second-stage payload.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9769771-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9769771-0
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` `e5aaf9f3439fc51732c94523035a3e61bc2d17c21b6cf92e4d7bbe4fa685ceb9`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	10171 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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