Emotet Office (OLE) / .DOCX malware analysis — malicious · 4d52f7977afc44e4

MALICIOUS

Office (OLE) / .DOCX

172.5 KB Created: 2020-10-27 05:39:00 Authoring application: Microsoft Office Word

MD5: 9816d9d17edcde87f47c174ac614da12 SHA-1: 983a480d6610023512a7b140ed219733ba7e4901 SHA-256: 4d52f7977afc44e4525e1c3276e3221c748280b02265dc7f99dc774ba0affb5b

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1204.002 Malicious File

The file was detected as malicious by ClamAV with the signature 'Doc.Downloader.Emotet-9784225-0', indicating it is likely an Emotet downloader. The presence of a Document_Open VBA macro that uses CreateObject and p-code execution strongly suggests the execution of a malicious payload. The obfuscated document body text, while not directly readable, is consistent with lures used by Emotet. The primary function appears to be downloading and executing a second-stage payload.

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` `4ba1afe08d79409e1497ca07456a809cf749d23c9ed8d7cdfc9c80ecc4d07df6`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15890 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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