Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 5aee7ddf4d11b2da…

MALICIOUS

Office (OLE) / .DOC

184.5 KB Created: 2020-10-16 06:16:00 Authoring application: Microsoft Office Word
MD5: 04cb4dcca85d48e558f7f9fa635a377c SHA-1: 8d44c0fb8843d8a0d28d38f210b7262703ae432c SHA-256: 5aee7ddf4d11b2daf0376cca64098b6e658764cd2695637602c1153c387d5bef
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 a Document_Open macro that utilizes CreateObject. This is a common technique for Emotet to download and execute a second-stage payload. The ClamAV detection further confirms its malicious nature and identifies it as Emotet. No specific URLs or C2 infrastructure were directly extracted from the script, but the presence of the macro and its execution pattern strongly indicate a downloader functionality.

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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