Emotet Office (OLE) / .DOCX malware analysis — malicious · d71c098eeb288fe1

MALICIOUS

Office (OLE) / .DOCX

189.5 KB Created: 2020-10-21 20:47:00 Authoring application: Microsoft Office Word

MD5: 13b2efcddade0c19159a4505794a4e36 SHA-1: e442c5083a16aa416da854959c3a7dc5d7387cbd SHA-256: d71c098eeb288fe1dbc8460c546c271aac874e8f674e44c24a18ef4e358eda77

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_DOCOPEN, OLE_VBA_CREATEOBJ, and OLE_VBA_PCODE_AUTOEXEC_EXEC indicate that this document contains a malicious VBA macro designed to execute code. The Document_Open macro and CreateObject call strongly suggest the macro's purpose is to download and execute a second-stage payload. The ClamAV signature 'Doc.Dropper.EmotetiBlueUpdate1020-9780531-0' further supports the classification as a dropper family, likely Emotet.

Heuristics 7

ClamAV: Doc.Dropper.EmotetiBlueUpdate1020-9780531-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Dropper.EmotetiBlueUpdate1020-9780531-0
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` `de68eb219c86c839b194b174abd2b170f818ab76547e269289797596310c601e`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	23214 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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