Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 708e9a33c866dc9d…

MALICIOUS

Office (OLE) / .DOC

195.0 KB Created: 2019-02-22 07:17:00 Authoring application: Microsoft Office Word
MD5: 9485376c72f799b02b8343cffa1d0854 SHA-1: d1452381222abb71d18093ff37a80f95ee1f92be SHA-256: 708e9a33c866dc9d60b151b4c35637b012a611ecc0d0547f1556957edc62d95f
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1105 Ingress Tool Transfer

The file is a malicious Office document containing VBA macros, specifically an AutoOpen macro that uses GetObject, indicative of Emotet. The ClamAV detection confirms this family. The VBA script is heavily obfuscated but the presence of AutoOpen and GetObject strongly suggests it's designed to download and execute a second-stage payload.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-6865934-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-6865934-0
  • AutoOpen macro high OLE_VBA_AUTOOPEN
    AutoOpen macro
  • 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
a79f6054d5c0d65eb02a252f083ad7f1964106a1ecf501cfaa621e60bfb6bc2e		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 41268 bytes

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