Emotet Office (OLE) / .DOCX malware analysis — malicious · ada50c6d38e6fc48

MALICIOUS

Office (OLE) / .DOCX

163.0 KB Created: 2020-09-25 11:29:00 Authoring application: Microsoft Office Word

MD5: c04c092cdbaacf55c849753859b0eef2 SHA-1: 434f967f32ea5808a73a9428247a208614b84b7c SHA-256: ada50c6d38e6fc48b2391d1b5eeb3f898d803c5b79425a24c4f8b47bd4339224

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The critical ClamAV heuristic and high-severity VBA heuristics indicate this document contains malicious macros designed to execute automatically upon opening. The presence of a Document_Open macro and CreateObject calls strongly suggests the execution of a downloader. The ClamAV detection name 'Doc.Downloader.Emotet-9767804-1' directly attributes this file to the Emotet family. The document body, though heavily obfuscated, appears to contain encoded strings that likely form part of the malicious script's functionality, potentially related to PowerShell execution.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9767804-1 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9767804-1
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` `426aca538f654441d66e245a00bfc928dacf37832bbf946df52799fa3650ecb1`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	24489 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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