Emotet Office (OLE) / .DOCX malware analysis — malicious · f1b420722c2f21d7

MALICIOUS

Office (OLE) / .DOCX

155.0 KB Created: 2020-10-19 08:55:00 Authoring application: Microsoft Office Word

MD5: 166c14b1bd4f339b2b72545d2396dd84 SHA-1: 5af5786536562e6639bd226f337168cb24e6309b SHA-256: f1b420722c2f21d74998a977673f6f6828734c88872d04003b47b509799eeefe

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The file is detected as Emotet by ClamAV. Heuristics indicate the presence of VBA macros, specifically a Document_Open auto-execution macro that uses CreateObject. The document body contains obfuscated text that, when partially decoded, suggests a lure involving "Powershell". This combination strongly indicates a macro-based downloader designed to execute a second-stage payload.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9780414-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9780414-0
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` `e05e00e5695f255205cdf8f3c815d1b7180582c720372a44ffa69b0bf5e004ae`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15558 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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