Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 1403267a2172d4ef…

MALICIOUS

Office (OLE) / .DOC

164.9 KB Created: 2020-09-16 04:39:00 Authoring application: Microsoft Office Word
MD5: d2b69e1823d464e60988a14eb326b098 SHA-1: d099f21eb58bc7e844ea218d1baa946b8b9223d4 SHA-256: 1403267a2172d4efd211c5189138718aefb9064b686ff4cfcdb4cd53eaf07f71
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample is a malicious Microsoft Word document containing VBA macros. The critical ClamAV heuristic identifies it as 'Doc.Downloader.Emotet-9762285-0', strongly suggesting the Emotet family. The Document_Open macro is present and uses CreateObject, indicating it's designed to execute code upon opening. The VBA code is heavily obfuscated but the presence of a macro and the heuristic firings point to a downloader functionality, likely fetching a second-stage payload.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9762285-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9762285-0
  • 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
4a292a51323e6fe23215e1f68558fe1f1593e61fbf1f40c638bdf8f7e9fd0e8f		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 25505 bytes

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