Emotet Office (OLE) / .DOC malware analysis — malicious · 4912920161a89e77

MALICIOUS

Office (OLE) / .DOC

133.2 KB Created: 2020-09-29 04:17:00 Authoring application: Microsoft Office Word

MD5: 308acef3db1bb0b5d62da163dee49545 SHA-1: 4da32ca5cd0251603a81ac5bfe16e264bf9af151 SHA-256: 4912920161a89e77767bb63e569fe20ad422dc4efb1d8f794fba70345f16be56

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, specifically the Document_Open auto-execution and CreateObject calls, strongly indicate malicious intent. The presence of a VBA macro, identified as 'macros.bas', and the 'OLE_VBA_PCODE_AUTOEXEC_EXEC' firing confirm that the macro is designed to execute automatically. This type of execution is characteristic of Emotet, which often uses document lures to download and execute further stages of malware. The document body content appears to be obfuscated or corrupted, providing no direct clues to the lure.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9769095-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9769095-0
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` `d04833e53843bfcf6544d888c124f488e78f247212586680bbec5bbafe93c514`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	6702 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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