Emotet Office (OLE) / .DOCX malware analysis — malicious · ab125f206005c407

MALICIOUS

Office (OLE) / .DOCX

178.5 KB Created: 2020-10-26 07:35:00 Authoring application: Microsoft Office Word

MD5: ae04f704c861e2ee9420fc62fab9ee92 SHA-1: 48ff433c12b44c8ac955043441e47b926f171726 SHA-256: ab125f206005c4070c7dfb3080c5c6be85bf7c30f2d929c22dc27d9b24af90cb

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

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 macros.bas file further supports this. The document body's obfuscated nature and the embedded URL, though benign, are consistent with downloader lures. The primary function appears to be executing VBA code to download and run a secondary payload, characteristic of Emotet.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9784039-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9784039-0
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` `d0242cccf1fc69ef1bfc48b1645bc10ec37741bf93e2efd542678ac22956a298`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15455 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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