Emotet Office (OLE) / .DOCX malware analysis — malicious · 513747f9adbaef9a

MALICIOUS

Office (OLE) / .DOCX

205.6 KB Created: 2020-12-22 12:31:00 Authoring application: Microsoft Office Word

MD5: 7cd1c3546a69594e808aab89441f2b7a SHA-1: d25e5605a5de26937350931f5c7df3d2a6fc24bc SHA-256: 513747f9adbaef9a6fd640e8b8a083530ee0d8036b547d02d2465dd760e94d4c

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The critical ClamAV detection and high-severity heuristics for VBA macros, including an auto-executing Document_Open macro and CreateObject calls, strongly indicate a malicious downloader. The presence of VBA macros suggests the intent is to execute code that downloads and runs a second-stage payload. The family is identified as Emotet based on the ClamAV signature.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-10024800-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-10024800-0
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` `b223e36ca03f3aef1de34ece9213428b8c399a8d27f7650232938837efe41a69`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	16333 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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