Emotet Office (OLE) / .DOCX malware analysis — malicious · 4377653e64b9f040

MALICIOUS

Office (OLE) / .DOCX

162.8 KB Created: 2020-09-22 18:24:00 Authoring application: Microsoft Office Word

MD5: 52b282a19a2a2556e91a48a3833594ce SHA-1: 84c2fe4e553450002badcbeeff39410b2a00e1be SHA-256: 4377653e64b9f040f90e39cc4235237c40787ef0dfdfcdb7f5fd714ec3ddaf3e

280 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell T1105 Ingress Tool Transfer

The file is identified as malicious by ClamAV with the signature 'Doc.Downloader.Emotet-9765458-0', strongly suggesting the Emotet family. High-severity heuristics indicate the presence of VBA macros, specifically a Document_Open macro that uses CreateObject and GetObject calls. These are common techniques for downloading and executing additional malicious content. The presence of VBA macros and the specific ClamAV signature point to a downloader functionality.

Heuristics 8

ClamAV: Doc.Downloader.Emotet-9765458-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9765458-0
Document_Open macro high OLE_VBA_DOCOPEN

Document_Open macro
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject call
GetObject call high OLE_VBA_GETOBJ

GetObject 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` `bd654d20c055e0b0e127587789558080b1c423748b3142eb9ab3aa76d6d97f9b`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	20393 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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