Emotet Office (OLE) / .DOCX malware analysis — malicious · d7123a4f3fae3b4f

MALICIOUS

Office (OLE) / .DOCX

130.9 KB Created: 2020-09-28 15:20:00 Authoring application: Microsoft Office Word

MD5: eed673967d82297ad7d1a265338a70df SHA-1: f3405392dcb05947c2f42a281c5d19572d50b1a9 SHA-256: d7123a4f3fae3b4fa986bc7419dd59c1da51e971a9f6a007a637a5da03bf8485

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The critical ClamAV detection and high-severity heuristics for VBA macros, specifically the Document_Open auto-execution and CreateObject calls, strongly indicate malicious intent. The presence of VBA macros and the ClamAV signature point to the Emotet family. The macro is designed to execute arbitrary code, likely to download and run a second-stage payload.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9768661-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9768661-0
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` `2ce77a90790088f293710a707301ae69bfebe17386d7804fba58a5e382e47c64`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	6657 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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