Emotet Office (OLE) / .DOCX malware analysis — malicious · c8ecacd276697e38

MALICIOUS

Office (OLE) / .DOCX

156.2 KB Created: 2020-12-30 07:47:00 Authoring application: Microsoft Office Word

MD5: 5bcaee3599cf4762fd2345aac917fd8f SHA-1: 3b2f5cbeecb191c79a6427af206fe09af900febe SHA-256: c8ecacd276697e3812669b243a54ef1e7415f87479438efc5c27cdbe0312af99

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The critical ClamAV detection and high-severity heuristics for VBA macros, specifically an auto-executing Document_Open macro that uses CreateObject, strongly indicate a downloader. The presence of a VBA macro and the detection name 'Doc.Downloader.EmotetRed02224-9938637-0' point towards the Emotet family. The macro likely downloads and executes a second-stage payload.

Heuristics 7

ClamAV: Doc.Downloader.EmotetRed02224-9938637-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.EmotetRed02224-9938637-0
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` `9bf607663b8a2bf6d5409ee86f6e92f88c816fbcbd12854fba6197389a76ce81`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	6567 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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