Emotet Office (OLE) / .DOC malware analysis — malicious · ee397380005f8978

MALICIOUS

Office (OLE) / .DOC

235.0 KB Created: 2020-10-27 11:54:00 Authoring application: Microsoft Office Word

MD5: 21125b0273ef40c62046799e680df076 SHA-1: 867f1ed67debdaa5737315883259ddb3093fb99a SHA-256: ee397380005f89781c43853c6d2a8922d8570b43208b9f7162c6e4c5903e33b7

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The critical ClamAV detection and high-severity heuristics for VBA macros, including an auto-executing Document_Open macro and CreateObject calls, strongly indicate malicious intent. The presence of the 'macros.bas' artifact further supports this. The document body, though heavily obfuscated, contains patterns consistent with macro execution. The primary attack vector appears to be the execution of embedded VBA code to download and run a secondary payload, characteristic of Emotet.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9784225-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9784225-0
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` `29e9b7ae9d1527d60729aa6fdaa432d4d9cba1dbaf939ce8988ea528be91e7ce`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	16504 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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