Emotet Office (OLE) / .DOCX malware analysis — malicious · 23321ef2552ae218

MALICIOUS

Office (OLE) / .DOCX

139.6 KB Created: 2020-10-15 20:30:00 Authoring application: Microsoft Office Word

MD5: 64e275edcfd17156b81a6a8823e30ce9 SHA-1: 7bc60f2c0d4381a8f0f354c670b1e7bfbbedc4d7 SHA-256: 23321ef2552ae21809b21f51b4380c31d17917222fe373a59d73500eedd99fdf

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File

The file contains VBA macros, specifically a Document_Open macro that is auto-executed. This macro uses CreateObject, a common technique for downloading and executing additional payloads. The ClamAV detection explicitly identifies this as an Emotet downloader. The obfuscated document body does not provide further context on the lure, but the macro behavior is indicative of a downloader.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9778438-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9778438-0
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` `2effaaf970b5f9de3ee06c41a03bfb4f772066e9848150d426295dbb68f79b6c`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	12763 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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