Emotet Office (OLE) / .DOCX malware analysis — malicious · 9c44a164c70d7fdb

MALICIOUS

Office (OLE) / .DOCX

162.4 KB Created: 2020-10-16 14:09:00 Authoring application: Microsoft Office Word

MD5: 1367037178eeb53ef46849124377d97d SHA-1: 2b422841171683ff048725007dc4474568bac526 SHA-256: 9c44a164c70d7fdbd796c9805e3ce506cf8fd1d8df4d84e27384d794e3c075b1

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 an auto-executing Document_Open macro and CreateObject calls, strongly indicate malicious intent. The presence of a VBA macro in the 'macros.bas' file, combined with the Emotet family attribution by ClamAV, suggests this document is part of a typical Emotet delivery chain. The macro likely downloads and executes a second-stage payload.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9778566-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9778566-0
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` `29095f417e940309e4c3b74017a13ff70f85d23507d6b5296a03fa98c635a78b`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15315 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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