Emotet Office (OLE) / .DOCX malware analysis — malicious · e408b0134e1a5e33

MALICIOUS

Office (OLE) / .DOCX

155.4 KB Created: 2020-10-16 06:31:00 Authoring application: Microsoft Office Word

MD5: f9b21abfe930987ba7a5767d17734edd SHA-1: 1995ff400e2523d24011b916d0886141169d0f01 SHA-256: e408b0134e1a5e332b63c410eb81562e3ad9d7245d698a806e3b90793330a1ab

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1059.001 PowerShell T1105 Ingress Tool Transfer

The critical ClamAV detection and high-severity heuristics for OLE_VBA_DOCOPEN, OLE_VBA_CREATEOBJ, and OLE_VBA_PCODE_AUTOEXEC_EXEC strongly indicate the presence and execution of a malicious VBA macro. The Document_Open macro is designed to run automatically, and the CreateObject call suggests the creation of objects for malicious purposes, such as downloading and executing further stages. The file is identified as Emotet, a known downloader family.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9778460-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9778460-0
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` `d61a5c08d74b05c0be099936f48870810cfcd0fa95621c486c59e0d00fa9de51`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15430 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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