Emotet Office (OLE) / .DOCX malware analysis — malicious · e2bbfd4b4a3aa114

MALICIOUS

Office (OLE) / .DOCX

163.3 KB Created: 2020-10-01 15:57:00 Authoring application: Microsoft Office Word

MD5: 1bcd33008b449f496e16097b063effde SHA-1: 7508159cc568f9f0f4ef58cfdd4ee6bada3c9c0d SHA-256: e2bbfd4b4a3aa114d07547fbd320b2acc5ad730eb1f450a93f6a49d1e470e57f

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The file contains VBA macros, specifically a Document_Open macro that uses CreateObject, indicating an attempt to execute code automatically. The ClamAV detection explicitly names this as Emotet. The obfuscated document body text and the presence of VBA macros strongly suggest a malicious document designed to download and execute a secondary payload, a common Emotet tactic. No specific URLs or executable files were directly extracted, but the ClamAV signature is a high-confidence IOC.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9770197-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9770197-0
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` `34626713db5720b3147c8823fb8dfd0fe34a12fce4df5a0aa65f24e3eab9d078`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	10368 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 53 Chr/ChrW string-construction calls. Carved macro source contains an auto-exec entry point and execution/download terms.

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