Emotet Office (OLE) / .DOCX malware analysis — malicious · 2d4a3ae690cd6401

MALICIOUS

Office (OLE) / .DOCX

155.2 KB Created: 2020-10-16 19:32:00 Authoring application: Microsoft Office Word

MD5: 4ee767f083ba811b1bfc78ca0dc935e1 SHA-1: e051331a8e3a00ef40c28c8554f4e71de51d49aa SHA-256: 2d4a3ae690cd64017a114de08ffb095c8208ca65f5647809600f6caf8ff7cd97

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-9778628-0', strongly suggesting the Emotet family. High-severity heuristics indicate the presence of VBA macros, specifically a 'Document_Open' macro that uses 'CreateObject' for execution. This points to a macro-based execution of malicious code, typical for Emotet's initial infection vector. The obfuscated document body content does not provide further insight into the specific lure, but the technical indicators are clear.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9778628-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9778628-0
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` `d7b10db6ad3bff10dd176d31b83ada7ffa72a5d7b1b67bb513aee8ccfc4d5f3f`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15292 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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