Emotet Office (OLE) / .DOCX malware analysis — malicious · 86cfa7a9df3c0c22

MALICIOUS

Office (OLE) / .DOCX

154.7 KB Created: 2020-10-19 08:55:00 Authoring application: Microsoft Office Word

MD5: c5d14c96b582155877dbdf7d0297bbce SHA-1: 7d1c8faa3c248994f6fb12f01d25c8cd2f9ac88b SHA-256: 86cfa7a9df3c0c2264a24f585a788388c01eed1faeb272b6bd7e035e81a5a6f1

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 a malicious downloader. The presence of obfuscated document body text further supports this. The primary intent appears to be downloading and executing a second-stage payload, consistent with Emotet's behavior.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9780414-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9780414-0
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` `e05e00e5695f255205cdf8f3c815d1b7180582c720372a44ffa69b0bf5e004ae`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15558 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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