Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 5dc39fed6361864e…

MALICIOUS

Office (OLE) / .DOCX

139.8 KB Created: 2020-09-30 06:24:00 Authoring application: Microsoft Office Word
MD5: 75c3590079dddaaa99bf1a0f49260605 SHA-1: fa32a9001e1ed3e48c73a72ec524dcb69778df0e SHA-256: 5dc39fed6361864ebfcfe504125bbc05e085ad4f1fb6c92a3367bcad83b695cb
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 sample is identified as malicious by ClamAV with the signature 'Doc.Downloader.Emotet-9769539-0', indicating a known downloader variant of Emotet. The presence of a 'Document_Open' macro that utilizes 'CreateObject' strongly suggests the execution of a malicious payload. This macro is designed to download and execute a second-stage file, a common tactic for Emotet.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9769539-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9769539-0
  • 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
bf242d2b3eef8a928e95104450a1995792bbbbd70e8fa1b795dc489b41229ac6		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 10567 bytes

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