Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 5e113dddce09e756…

MALICIOUS

Office (OLE) / .DOC

185.0 KB Created: 2020-10-16 06:16:00 Authoring application: Microsoft Office Word
MD5: 68c60119dee3f3e0faa0ce59a3bd4614 SHA-1: cd16b4ec0b01214d19ad07ec9ed52a828054de08 SHA-256: 5e113dddce09e7569289b40efda7271f65bf9d98fd3be7b8efe3e1e17d712668
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample contains VBA macros, specifically a Document_Open macro that utilizes CreateObject, indicating malicious intent. ClamAV detection confirms this, identifying it as Doc.Trojan.Emotet. The VBA script is heavily obfuscated but the presence of CreateObject and the Document_Open auto-execution strongly suggest it's designed to download and execute a secondary payload, a common Emotet tactic. The embedded URL, though benign, is noted.

Heuristics 6

  • ClamAV: Doc.Trojan.Emotet-9778443-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Trojan.Emotet-9778443-1
  • 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.
  • 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
3aa4602d13895bbb19666b18a56108bc3ac6b1953483bc168bcdaa103153ce44		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 15426 bytes

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