Emotet Office (OLE) / .DOC malware analysis — malicious · 52dc6da720ff69d8

MALICIOUS

Office (OLE) / .DOC

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

MD5: e66571325545211f2e2df5e755b65775 SHA-1: 90ec8f973776074eba7df0aa36471677c875f585 SHA-256: 52dc6da720ff69d8dea66a117fb1fd57e7db0366ec7f55b05cce18f6a3477cc8

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1204.002 Malicious File

The file contains a Document_Open VBA macro that is automatically executed upon opening. This macro is designed to create an object and execute code, likely to download and run a secondary payload. The ClamAV detection explicitly identifies this as Doc.Downloader.Emotet, and the presence of the 'macros.bas' artifact further supports this classification. The obfuscated document body text does not provide further context on the lure.

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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