Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 6a8e52f8792ecae2…

MALICIOUS

Office (OLE) / .DOCX

186.1 KB Created: 2020-10-30 04:19:00 Authoring application: Microsoft Office Word
MD5: ad4a1d42f43de2fc60c9a58be93e3e11 SHA-1: 52053015e91834383898a52249e1037a0544cb91 SHA-256: 6a8e52f8792ecae215c55e1f73b2895cc0b304ee39db3908356b71ac38722b0c
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, and uses CreateObject, indicating malicious intent. ClamAV detection explicitly names this as Emotet. The VBA macro's obfuscated nature and use of string concatenation to build potentially malicious commands suggest it is designed to download and execute a second-stage payload, a common Emotet tactic.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9785300-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9785300-0
  • 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
f7e154fbc1687723523f4f201e3a1591c84897657fe14056a01af3060d347cbe		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 17509 bytes

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