Emotet Office (OLE) / .DOCX malware analysis — malicious · 58a95bd14fdfe2c4

MALICIOUS

Office (OLE) / .DOCX

156.0 KB Created: 2020-10-16 19:32:00 Authoring application: Microsoft Office Word

MD5: d64ab720e7d48cacffbb679d8f98af90 SHA-1: 3aefabbe4d1ddedbcdcbfa3aa125389709e9433f SHA-256: 58a95bd14fdfe2c4e30b7bce237de2fa3351c1bcf0328c91c9333a29a8be15d0

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1059.001 PowerShell

The file was detected as malicious by ClamAV with the signature Doc.Malware.Emotet-9778628-0, indicating a known Emotet variant. High-severity heuristics confirm the presence of VBA macros, specifically a Document_Open macro that uses CreateObject, suggesting an auto-execution mechanism for malicious code. The obfuscated document body content does not provide further insight into the specific lure, but the macro execution is the primary indicator of malicious intent. The VBA macros are likely responsible for downloading and executing a second-stage payload.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9778628-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9778628-0
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` `d7b10db6ad3bff10dd176d31b83ada7ffa72a5d7b1b67bb513aee8ccfc4d5f3f`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15292 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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