Emotet Office (OLE) / .DOCX malware analysis — malicious · 82ae83e8a0801c82

MALICIOUS

Office (OLE) / .DOCX

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

MD5: 6d226f8dfbdf8fc10a686e498264320f SHA-1: ec51815e06cd53f208ca889fcee0f1b23e0f529f SHA-256: 82ae83e8a0801c8202a132e1e29d286e4783465939a4fa261fc1e7e73f709ea0

280 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The file is identified as malicious by ClamAV with the signature Doc.Malware.Emotet-9764756-0, strongly indicating the Emotet family. Static analysis revealed the presence of VBA macros, specifically a Document_Open macro that utilizes CreateObject and GetObject calls. This suggests the macro is designed to execute arbitrary code, likely to download and run a secondary payload. The heuristic firings and the ClamAV detection are highly indicative of Emotet's typical delivery mechanism via macro-enabled documents.

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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