Emotet Office (OLE) / .DOCX malware analysis — malicious · 457b6a08f7e1b6cf

MALICIOUS

Office (OLE) / .DOCX

197.3 KB Created: 2020-09-21 22:06:00 Authoring application: Microsoft Office Word

MD5: 83bda1b2f8e7826db433378f8d940561 SHA-1: 6302d8ff1e6c5bc542aabe7ee200a8c1a56fa3b8 SHA-256: 457b6a08f7e1b6cf8d09929198bf73710085c58f346b256d31d99645df480e67

280 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The file contains VBA macros, specifically a Document_Open macro that utilizes CreateObject and GetObject calls. This is a strong indicator of Emotet activity, which commonly uses such methods to download and execute further stages. The ClamAV detection explicitly names Emotet. The presence of the 'macros.bas' artifact further supports this. The VBA code likely attempts to download and execute a second-stage payload.

Heuristics 8

ClamAV: Doc.Malware.Emotet-9765425-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9765425-0
Document_Open macro high OLE_VBA_DOCOPEN

Document_Open macro
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject call
GetObject call high OLE_VBA_GETOBJ

GetObject 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` `3f69d910c7ab65b68002c6115856f94d0a2fe7883066824f7d890ec0735d30db`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	19084 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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