Emotet Office (OLE) / .DOCX malware analysis — malicious · 47c659c5857a2dab

MALICIOUS

Office (OLE) / .DOCX

154.7 KB Created: 2020-10-19 20:10:00 Authoring application: Microsoft Office Word

MD5: 2331fe07614b82939400f66b9d8ea285 SHA-1: a8ce25ad8fa13645fd8a741875558d14285f9180 SHA-256: 47c659c5857a2dab8aa5c6a29623384f6fc5651856d7ccdf8b4be607b4c17b12

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File

The file contains VBA macros, specifically a Document_Open auto-execution macro, which is a common technique for Emotet. The ClamAV detection explicitly names Emotet. The macro likely attempts to download and execute a second-stage payload, although the specific URL or execution method is not directly visible in the provided evidence. The obfuscated document body text further suggests an attempt to obscure the malicious intent.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9780400-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9780400-0
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` `2d3ce3834af78f24fa31a527ad1e694aefe01bd9c74b26ec94954a5af657ad56`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15599 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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