Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 70b6d041f2b2be97…

MALICIOUS

Office (OLE) / .DOC

135.5 KB Created: 2019-05-30 14:48:00 Authoring application: Microsoft Office Word
MD5: 9ece6355376ca94b2c35bdcbe57b870c SHA-1: f6ca35c7eb95bb037f0849f0102112c47808ec64 SHA-256: 70b6d041f2b2be97e5fb0986bcfe40882c2f567e20b2c5d8dc9328f718293ce2
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample is a malicious Office document containing VBA macros, specifically an AutoOpen macro, which is a common characteristic of Emotet. The presence of CreateObject calls and the ClamAV detection further support this classification. The AutoOpen macro is designed to execute automatically upon opening the document, likely to download and run a secondary payload.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-10001946-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-10001946-0
  • AutoOpen macro high OLE_VBA_AUTOOPEN
    AutoOpen 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
650e4990cdc8304d81d9d8cdd3226843fc6f5212d5c7c7d026d7543dd6d07ea0		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 9670 bytes

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