Emotet Office (OLE) / .DOCX malware analysis — malicious · 3ca9d3e5ceccd946

MALICIOUS

Office (OLE) / .DOCX

162.3 KB Created: 2020-09-14 06:44:00 Authoring application: Microsoft Office Word

MD5: d5a4ce409bc2a266c0e080f7d0bb0b20 SHA-1: 7e843d3f97c7db9f8c825b71f26e9bc41db9a760 SHA-256: 3ca9d3e5ceccd9464ea63ceb8d70613a4110caa1a40eaafea1215d0ef0bcef23

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The critical ClamAV detection and high-severity heuristics for VBA macros, including auto-execution via Document_Open and CreateObject calls, strongly indicate malicious intent. The presence of a VBA macro in macros.bas, coupled with the ClamAV signature, points to the Emotet family. The document body contains obfuscated PowerShell-like commands, suggesting the macro's purpose is to download and execute a second-stage payload.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9762310-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9762310-0
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` `94aa0eae3715e5e4c777d8559a3d12a3d055d6c09f9bd5aa9415cdba60070681`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	25226 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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