Emotet Office (OLE) / .DOCX malware analysis — malicious · c1d49e8306477c32

MALICIOUS

Office (OLE) / .DOCX

148.6 KB Created: 2020-09-28 14:26:00 Authoring application: Microsoft Office Word

MD5: b3a3964f2e66da7d27f2c809663801d8 SHA-1: 53684d3d699b5ee574fe9cfb28f44a58bdc779ad SHA-256: c1d49e8306477c3202a034af2e62753df8948a2f0c47c6b4d2e7474c77550659

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 detected as Emotet malware by ClamAV. Heuristics indicate the presence of VBA macros, specifically a Document_Open auto-execution macro that uses CreateObject. This suggests the macro is designed to download and execute a second-stage payload. The document body content is obfuscated and does not provide clear user-facing text, but the macro execution is the primary indicator of malicious intent.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9768663-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9768663-0
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` `52573b116f951816e527b23fd5cfdfc578caca117ddeb459f950d0953f709442`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	6643 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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