Emotet Office (OLE) / .DOCX malware analysis — malicious · 3b681b6b9ea3619f

MALICIOUS

Office (OLE) / .DOCX

159.0 KB Created: 2020-10-26 20:02:00 Authoring application: Microsoft Office Word

MD5: dd6402b75575f5088a2e1f099a908cb8 SHA-1: faad847298d5cb86b5628ad631550447c63a061f SHA-256: 3b681b6b9ea3619f3b7b0d4d502932b37d4fdb03330faeecd6698cbf97164b05

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 auto-execution via Document_Open and CreateObject calls, strongly indicate malicious intent. The presence of a VBA macro, specifically detected as 'Doc.Downloader.Emotet-9784039-0', suggests the file's purpose is to download and execute a second-stage payload. The obfuscated document body text further supports this, as it likely contains encoded elements for the macro to process.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9784039-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9784039-0
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` `25a58c4e712d1085864e82f7ab775526ec6adf7a6a7c9b5168c373897e87509d`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15931 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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