Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 0adca8f3f5265407…

MALICIOUS

Office (OLE) / .DOCX

189.6 KB Created: 2020-09-21 14:08:00 Authoring application: Microsoft Office Word
MD5: 5198e448e1164d43ed3b2c3b04c7d7ff SHA-1: b1e461fdd95ccab6fd86cd39bdca7511b2e65b8a SHA-256: 0adca8f3f5265407428b7bada83845928992378c6adcfaa2126c4b04f40ea987
242 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The sample contains VBA macros, including a Document_Open macro that uses CreateObject and GetObject calls, indicative of malicious intent. ClamAV detection explicitly names this as Emotet. The VBA code appears to be obfuscated, but the presence of auto-executing macros strongly suggests it's designed to download and execute a secondary payload.

Heuristics 7

  • ClamAV: Doc.Malware.Emotet-9765432-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9765432-0
  • 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.
  • 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.

FilenameKindSourceSize
macros.bas
5f8ddf3f75befd9059f3326eb9e354f14c2179c2257f61708817109610baf98e		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 19074 bytes

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