Emotet Office (OLE) / .DOC malware analysis — malicious · ce39271581c73cf8

MALICIOUS

Office (OLE) / .DOC

186.2 KB Created: 2020-09-16 22:59:00 Authoring application: Microsoft Office Word

MD5: e089a9e37c6eab6c2c4aea4c5de78e00 SHA-1: 1795464a821ce15f94e09e7179c99f3e4c7bb9ba SHA-256: ce39271581c73cf82e0b642bb3f08607ae5cf461b98eef9b4c75024535ddd158

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The sample is a malicious DOC file containing VBA macros, specifically a Document_Open macro that utilizes CreateObject. This indicates an automated execution of malicious code upon opening the document. The ClamAV detection explicitly names this as an Emotet downloader, suggesting its purpose is to fetch and execute further malicious payloads. The presence of VBA macros and the Document_Open auto-execution are key indicators of this attack pattern.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9762305-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9762305-0
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` `c74a4e0e1e8046236a4698925940d43110d502cff010754883e948c4e1efb894`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	19088 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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