Emotet Office (OLE) / .DOCX malware analysis — malicious · b2d8f711c8c33e4a

MALICIOUS

Office (OLE) / .DOCX

154.9 KB Created: 2020-10-16 13:32:00 Authoring application: Microsoft Office Word

MD5: 022247e955ece7b03e0c51e676cc0579 SHA-1: 55ddd876f37ba0a270c7129509a7cb61135b5258 SHA-256: b2d8f711c8c33e4a8812e05875095c445ca95ad54ba0cc33ca3474867b98c7e3

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The sample contains VBA macros, specifically a Document_Open auto-execution macro, which is a strong indicator of malicious intent. ClamAV identifies this as Emotet. The presence of the 'macros.bas' artifact and the 'CreateObject' call within the VBA code suggest the macro is designed to download and execute a second-stage payload. The document body content appears to be obfuscated or malformed, providing no clear user-facing lure.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9778560-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9778560-0
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` `80b8cf2680dee027d2b0bedfb311ad72d589d776013195663ff998d7cc50edcd`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15454 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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