Emotet Office (OLE) / .DOCX malware analysis — malicious · e1467d0424c3f9c0

MALICIOUS

Office (OLE) / .DOCX

175.6 KB Created: 2020-10-16 10:38:00 Authoring application: Microsoft Office Word

MD5: 51b33d5e6b8c388e942c3e63c15c8cd7 SHA-1: d2d0c977563e5089eab2c83d869ba862d6cddf3d SHA-256: e1467d0424c3f9c0f0c251daa1d017c2689143732f431e65d372f599d7c39843

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The critical ClamAV heuristic identifies the file as Emotet. The presence of a Document_Open VBA macro, combined with CreateObject calls and p-code auto-execution, strongly indicates that the macro is designed to run automatically when the document is opened. This macro is likely responsible for downloading and executing a secondary payload, a common Emotet tactic. The document body content appears to be obfuscated or malformed, providing no direct clues to the lure.

Heuristics 7

ClamAV: Doc.Trojan.Emotet-9778443-1 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Trojan.Emotet-9778443-1
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` `dae34bf6e418fa0d8b9b1311becc27775cd875aa2c1a1dc0c8de66f7f57fbc42`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15342 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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