Emotet Office (OLE) / .DOCX malware analysis — malicious · 5427634467eebd04

MALICIOUS

Office (OLE) / .DOCX

178.5 KB Created: 2020-10-26 17:32:00 Authoring application: Microsoft Office Word

MD5: 54c0a87c15373af062eab6fb825fd516 SHA-1: d47184a76c09a4e7340753c00e078a75b5aa45cd SHA-256: 5427634467eebd0455fc0de71aff6b4e3e2e35e5e8e1633d567fd18654a1c532

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 OLE_VBA_MACROS, OLE_VBA_DOCOPEN, OLE_VBA_CREATEOBJ, and OLE_VBA_PCODE_AUTOEXEC_EXEC strongly indicate malicious VBA macro activity. The presence of a Document_Open macro that uses CreateObject suggests the execution of a downloader. The ClamAV signature specifically names this as an Emotet variant, Doc.Downloader.Emotet-9784039-0. The embedded URL, though benign according to reputation, is often used as a placeholder or initial contact point in such attacks.

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` `fd86ec2eb619814e7cd62b76d9f6553c2ce07800d98173938893210dd89c469b`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15663 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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