Emotet Office (OLE) / .DOCX malware analysis — malicious · d2a02498b6c6d741

MALICIOUS

Office (OLE) / .DOCX

166.7 KB Created: 2020-09-24 20:34:00 Authoring application: Microsoft Office Word

MD5: a48f787a65ab03e27fefae022e98700d SHA-1: 4ec1f3c5ec45fa71b06423849ed129b190538869 SHA-256: d2a02498b6c6d741a99666694b10b4bfd2955811c3555481e4492c9e65ad1c34

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The sample is identified as malicious by ClamAV with the signature 'Doc.Downloader.Emotet-9765780-0', strongly suggesting the Emotet family. High-severity heuristics indicate the presence of VBA macros, specifically a Document_Open macro that uses CreateObject to execute code. The obfuscated document body content, when partially decoded, appears to contain PowerShell commands. This indicates the macro's purpose is to download and execute a second-stage payload, a common Emotet delivery technique.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9765780-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9765780-0
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` `20065c1f06a22de094d8fc279802a5adedc919206be7ae0d9cd9ee9d315ea30b`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	25868 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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