Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 7f82ba74dc5ba479…

MALICIOUS

Office (OLE) / .DOCX

163.4 KB Created: 2020-10-01 15:57:00 Authoring application: Microsoft Office Word
MD5: be7d5962f177e6a367f88e984b327822 SHA-1: 2030309c9a578e6f6a6f88d2a8d2750d93c6e393 SHA-256: 7f82ba74dc5ba479a58317e8a518793838a89c56489ea8341cfd3b66f43015b1
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The file contains VBA macros, including a Document_Open auto-execution macro, which is a common Emotet infection vector. The script utilizes CreateObject, a typical function for executing malicious code. The ClamAV detection explicitly names Emotet, reinforcing the family attribution. The macro's primary function appears to be executing arbitrary code, likely to download and run a second-stage payload.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9770197-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9770197-0
  • 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
34626713db5720b3147c8823fb8dfd0fe34a12fce4df5a0aa65f24e3eab9d078		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 10368 bytes

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