Emotet Office (OLE) / .DOCX malware analysis — malicious · d2ca9dc20d050a12

MALICIOUS

Office (OLE) / .DOCX

159.3 KB Created: 2020-09-15 21:35:00 Authoring application: Microsoft Office Word

MD5: 1a2538832665f004cf937db680843540 SHA-1: fe186c137122499f75013ebae727f708f819b5e6 SHA-256: d2ca9dc20d050a122588e0e5ee24d27fc6486ff1fd495a15884f1f21510769b0

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 OLE_VBA_DOCOPEN, OLE_VBA_CREATEOBJ, and OLE_VBA_PCODE_AUTOEXEC_EXEC strongly indicate malicious VBA macro execution. The Document_Open macro is designed to run automatically upon opening the document, and the presence of CreateObject calls suggests the execution of arbitrary code. While the specific download URL is not directly visible due to obfuscation, the overall pattern is consistent with Emotet's typical behavior of downloading and executing further stages.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9762290-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9762290-0
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` `48aeeefcb5ab39bdc7a9844f7217739e7dc8c9cb3f8a901965d3ff17ec851125`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	25311 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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