Emotet Office (OLE) / .DOCX malware analysis — malicious · 95d5a2d7dcee1220

MALICIOUS

Office (OLE) / .DOCX

190.5 KB Created: 2020-10-27 23:09:00 Authoring application: Microsoft Office Word

MD5: 07396354c4d76facc0b0479a12e1927a SHA-1: 6868af1ccd2e2a52e4067fef57d38dfc0a68ae3a SHA-256: 95d5a2d7dcee12209de69b8db569c01e68322524257ca16c36f43ac546532c95

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 the signature 'Doc.Malware.Emotet-9784450-1', indicating a high likelihood of it belonging to the Emotet family. Critical heuristics indicate the presence of a VBA macro that auto-executes upon opening the document, using CreateObject, which is a common technique for downloading and executing secondary payloads. The document body appears to be heavily obfuscated, but the presence of VBA macros and the specific ClamAV detection strongly suggest malicious intent.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9784450-1 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9784450-1
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` `32c875cc5445b529213c7b353e717e973bc3b3565cfb6b70a94210d83d471e9e`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	16135 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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