Emotet Office (OLE) / .DOCX malware analysis — malicious · 9f2a4217ac7bc220

MALICIOUS

Office (OLE) / .DOCX

161.4 KB Created: 2021-01-04 16:15:00 Authoring application: Microsoft Office Word

MD5: ff5754ea2a2be1feaf3ca610cd5b7c5b SHA-1: 69c82c2aee9ace31ba9a3e5b8c6bec606f68384f SHA-256: 9f2a4217ac7bc2203e15e509f3fca89596b2cf721e858100103c8f967d39b612

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1059.001 PowerShell

The file is identified as malicious by ClamAV with a signature indicating it is a downloader, specifically associated with Emotet. High-severity heuristics confirm the presence of VBA macros, including an auto-executing 'Document_Open' macro that uses 'CreateObject'. This indicates the script's intent is to download and execute a second-stage payload. The presence of VBA macros and the auto-execution mechanism strongly suggest a spearphishing attachment attack vector.

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` `b7c08445609ad3b9c2a0766b1423df26453c524cbf6c8eca0da53a1732c00612`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	7252 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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