Emotet Office (OLE) / .DOCX malware analysis — malicious · 953cc5a4a63e7364

MALICIOUS

Office (OLE) / .DOCX

170.9 KB Created: 2020-09-16 14:22:00 Authoring application: Microsoft Office Word

MD5: e24dc532c491c8a0bc67d5c0e8d11426 SHA-1: 338af15b9cc4d5847c06ae6c6273b0d772f615aa SHA-256: 953cc5a4a63e73641daca3f10028b2ec491780793ef97ba2e92b4a85b5245b82

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The file is identified as malicious by ClamAV with the signature Doc.Malware.Emotet-9762291-0. Static analysis revealed the presence of VBA macros, specifically a Document_Open macro that utilizes CreateObject, indicating an auto-execution mechanism. This suggests the macro is designed to download and execute a second-stage payload. The heuristic firings strongly point towards Emotet malware.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9762291-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9762291-0
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` `9f558458f94a18a1753cb250fa701b5a4b696c6db0138705a67ec847e6bae57b`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	21795 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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