Emotet Office (OLE) / .DOC malware analysis — malicious · de3f3d3187c3d5a9

MALICIOUS

Office (OLE) / .DOC

142.9 KB Created: 2020-09-25 16:17:00 Authoring application: Microsoft Office Word

MD5: 1ac77f0dd4d679d00c75235ec19b324d SHA-1: b1da2613d6f78522945c61b2e5de291a7c767685 SHA-256: de3f3d3187c3d5a9eeb99de8ec6e690da7bb3e7c02e7ee853260a019b889f05f

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1204.002 Malicious File

The critical ClamAV detection and high-severity heuristics for VBA macros, specifically the Document_Open auto-execution and CreateObject calls, strongly indicate a malicious macro downloader. The presence of the 'Emotet' family in the ClamAV signature further supports this classification. The document body's obfuscated nature suggests it's designed to evade static analysis while the macro's purpose is to download and execute a secondary payload.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9768415-1 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9768415-1
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` `24dc32bb0bf265d759acaab1be69526609f3f4e182439affcdf3ab2add969ffb`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	17320 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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