Emotet Office (OLE) / .DOCX malware analysis — malicious · 302e8726fa91efa4

MALICIOUS

Office (OLE) / .DOCX

194.0 KB Created: 2020-09-22 04:18:00 Authoring application: Microsoft Office Word

MD5: d4d906ac526d1a6b0f4e1c3a16c6e1f2 SHA-1: ecccf3dd704232c67632be0326c7edceec403441 SHA-256: 302e8726fa91efa42546ebb326ec43baf90e3da145cd9a9e3e39a25e9949bbe3

280 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The file is a Microsoft Office document containing VBA macros, specifically a Document_Open macro that utilizes CreateObject and GetObject calls. This is a strong indicator of malicious intent, consistent with the Emotet family's typical delivery mechanism. The ClamAV detection further confirms its malicious nature. The macro is designed to execute arbitrary code, likely downloading and running a secondary payload.

Heuristics 8

ClamAV: Doc.Malware.Emotet-9764756-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9764756-0
Document_Open macro high OLE_VBA_DOCOPEN

Document_Open macro
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject call
GetObject call high OLE_VBA_GETOBJ

GetObject 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` `3b0af88f4dd9c23a17bbdbbca50e89a637a2364695c54b84b34b6c26baade961`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	19032 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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