Emotet Office (OLE) / .DOCX malware analysis — malicious · 2d3d4e0033829c37

MALICIOUS

Office (OLE) / .DOCX

185.8 KB Created: 2020-10-30 04:19:00 Authoring application: Microsoft Office Word

MD5: f6e02a67518c2282452e3536de396e4e SHA-1: 9acf247fc56d95890186b7c0eb03edbcf60fe6f1 SHA-256: 2d3d4e0033829c37a82f24c6499a0786dc993903374e611aa94c4973a4066dfe

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 directly identifies the sample as Emotet. High-severity heuristics indicate the presence of VBA macros, specifically a Document_Open auto-exec macro that uses CreateObject, strongly suggesting it's designed to run malicious code upon opening. The extracted document body, though heavily obfuscated, contains patterns consistent with macro execution. The primary intent appears to be the execution of a second-stage payload, typical of Emotet's delivery mechanism.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9785300-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9785300-0
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` `f7e154fbc1687723523f4f201e3a1591c84897657fe14056a01af3060d347cbe`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	17509 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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