Emotet Office (OLE) / .DOCX malware analysis — malicious · 41324ce5731ef122

MALICIOUS

Office (OLE) / .DOCX

170.1 KB Created: 2020-09-22 22:50:00 Authoring application: Microsoft Office Word

MD5: c7fa9f00be4d47780a7a5cf68adb3f78 SHA-1: 9652c3da40f67e95197b9aaf28fff743a04e6aa6 SHA-256: 41324ce5731ef12252c333f6b777f49fc8d45e9a7ab785823e48e08c8c6c330c

280 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1204.002 Malicious File

The critical ClamAV detection and high-severity heuristics for OLE_VBA_MACROS, OLE_VBA_DOCOPEN, OLE_VBA_CREATEOBJ, OLE_VBA_GETOBJ, and OLE_VBA_PCODE_AUTOEXEC_EXEC strongly indicate malicious VBA code designed to execute automatically upon opening the document. The presence of a Document_Open macro and the use of CreateObject and GetObject are characteristic of Emotet's downloader functionality, which typically fetches and executes a secondary payload. The ClamAV signature further confirms the Emotet family attribution.

Heuristics 8

ClamAV: Doc.Downloader.Emotet-9765458-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9765458-0
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` `30f2d5537902d59450c9d0d4b8e76203b657840da56dd9d07c3c9632425ddcf4`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	20571 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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