Emotet Office (OLE) / .DOCX malware analysis — malicious · 22a6a4e3f1f8a228

MALICIOUS

Office (OLE) / .DOCX

138.0 KB Created: 2020-09-28 21:18:00 Authoring application: Microsoft Office Word

MD5: 2c7dcdd39432b7ca41f2c9a5d3030737 SHA-1: f9a254460de58398c9863c465b5b94ff3f78883e SHA-256: 22a6a4e3f1f8a228220e5ee2c90a0eca756a901e6907d3f58ea65edcf5ed01ab

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.005 Visual Basic T1059.001 PowerShell T1105 Ingress Tool Transfer

The sample contains a Document_Open VBA macro that is automatically executed upon opening the document. This macro utilizes CreateObject, a common technique for executing arbitrary code. The ClamAV detection explicitly names Emotet, and the heuristic firings strongly indicate a macro-based downloader. The document body content is obfuscated and does not provide clear user-facing text, but the presence of the Document_Open macro and the Emotet detection are sufficient to infer malicious intent.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9769000-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9769000-0
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` `af1832d1f4c91fc85d2c99e2822b1b7480a5e715a732a96dc374f162b3694b82`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	6632 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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