Emotet Office (OLE) / .DOC malware analysis — malicious · 7eaaf8ce0632c9ad

MALICIOUS

Office (OLE) / .DOC

125.8 KB Created: 2019-05-24 19:43:00 Authoring application: Microsoft Office Word

MD5: 8a145b5c6e105ccd80e97df925614139 SHA-1: a89b7de5f450a8f2a52f8570a119f9c47899c320 SHA-256: 7eaaf8ce0632c9ad4fe9acb2b4a97da59085ee7ef6c842b13f7d35084b6b9036

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The file is a malicious Microsoft Word document containing VBA macros. The presence of an AutoOpen macro and a CreateObject call, combined with the ClamAV detection of 'Doc.Downloader.Emotet-10001946-0', strongly indicates Emotet. The AutoOpen macro is designed to execute automatically when the document is opened, likely to download and execute a second-stage payload. The embedded URL, though benign, was likely a placeholder or part of the document's lure.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-10001946-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-10001946-0
AutoOpen macro high OLE_VBA_AUTOOPEN

AutoOpen 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` `1da751c7f64deca13d9751c176ea531036b21bc5a4ab5560cbddbea7a92fe331`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	3458 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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