Emotet Office (OLE) / .DOCX malware analysis — malicious · 2a4d907c154cc5b2

MALICIOUS

Office (OLE) / .DOCX

150.3 KB Created: 2020-09-18 17:14:00 Authoring application: Microsoft Office Word

MD5: d499a1d47507a91c84e2718064dbb7b2 SHA-1: 0bc18ef2cc74adae1062768955a1386870611cf5 SHA-256: 2a4d907c154cc5b2f6f82a246a780e8c7d445b45b74c3ac354c12e797ae4ff3d

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File

The file is identified as malicious by ClamAV with the signature 'Doc.Downloader.Emotet-9763589-0', strongly suggesting the Emotet family. Critical heuristics indicate the presence of a VBA macro that automatically executes upon opening the document. This macro is designed to create objects and execute code, a common technique for downloading and running further malicious payloads. The presence of a Document_Open macro and CreateObject calls further supports this behavior.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9763589-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9763589-0
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` `96b83a59c729d4e2629caf4138babfc6cae62a32b23cb8c4d357b221daf4ba67`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	20042 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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