Emotet Office (OLE) / .DOCX malware analysis — malicious · c4a82a8cbffbb0e1

MALICIOUS

Office (OLE) / .DOCX

154.1 KB Created: 2020-10-19 08:55:00 Authoring application: Microsoft Office Word

MD5: b70f82fce03c5eed472d0e71dd5d739e SHA-1: 623fc08cdb7bd9a4496cbf40aa1dc54b990d69ef SHA-256: c4a82a8cbffbb0e1398e3429b37d9adda018c824d1c0235ddf77c8bd57efd334

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.005 Visual Basic T1059.001 PowerShell T1105 Ingress Tool Transfer

The file was detected as malicious by ClamAV with the signature 'Doc.Downloader.Emotet-9780414-0', indicating it is likely an Emotet downloader. The presence of a Document_Open macro that uses CreateObject and p-code execution strongly suggests it is designed to execute malicious code upon opening. The obfuscated document body content is typical of lures used to trick users into enabling macros. The primary function of this type of document is to download and execute a second-stage payload.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9780414-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9780414-0
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` `e05e00e5695f255205cdf8f3c815d1b7180582c720372a44ffa69b0bf5e004ae`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15558 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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