Emotet Office (OLE) / .DOCX malware analysis — malicious · deeb63071047d669

MALICIOUS

Office (OLE) / .DOCX

179.0 KB Created: 2020-10-26 07:35:00 Authoring application: Microsoft Office Word

MD5: 2feeba7c31ce79643d68ba05f4f2e46d SHA-1: 194b8242e3c4570b375a7ac91d688195774663e0 SHA-256: deeb63071047d66974da35f67dc6b9d508f07c78fc7bf115f1141ae39272fb56

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The file is identified as malicious by ClamAV with the signature Doc.Downloader.Emotet-9784039-0. Static analysis revealed the presence of VBA macros, specifically a Document_Open macro that utilizes CreateObject, indicating an auto-execution attempt. The document body content, though heavily obfuscated, suggests a complex script execution. The primary function of the VBA macro appears to be downloading and executing a second-stage payload.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9784039-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9784039-0
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` `d0242cccf1fc69ef1bfc48b1645bc10ec37741bf93e2efd542678ac22956a298`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15455 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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