Emotet Office (OLE) / .DOCX malware analysis — malicious · 5007f4224186818c

MALICIOUS

Office (OLE) / .DOCX

161.3 KB Created: 2020-09-14 06:44:00 Authoring application: Microsoft Office Word

MD5: ced3a2ec28dfaaf6b54289cd56da69ba SHA-1: 0f2f08488ccbd55b135fc6e7278b98af98acd5bc SHA-256: 5007f4224186818c079d433d9e2f64a83f4fa9858c1b0ce3ea1eb9a63ce16f17

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.Malware.Emotet-9762310-0'. High-severity heuristics indicate the presence of VBA macros, specifically a 'Document_Open' auto-execution macro that uses 'CreateObject'. This suggests the macro is designed to run automatically when the document is opened, likely to download and execute a secondary payload. The presence of VBA macros and the auto-execution behavior are characteristic of Emotet malware delivery.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9762310-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9762310-0
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` `94aa0eae3715e5e4c777d8559a3d12a3d055d6c09f9bd5aa9415cdba60070681`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	25226 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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