Emotet — Office (OLE) malware analysis

Static analysis result for SHA-256 5611d69fb48d899f…

MALICIOUS

Office (OLE)

147.8 KB Created: 2020-10-15 16:33:00 Authoring application: Microsoft Office Word
MD5: 293ba92aa7b66589f2c64949df31c1e3 SHA-1: 1030c38292354bcc1c9bf787541197009611f83f SHA-256: 5611d69fb48d899f85406429e354830c4c4f33259af76c16a74afbefa925fd1b
240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File T1105 Ingress Tool Transfer

The file contains a malicious VBA macro, specifically a Document_Open auto-exec macro, which is a common characteristic of Emotet. The macro utilizes CreateObject to likely download and execute a second-stage payload. The ClamAV detection explicitly names this file as 'Doc.Downloader.Emotet-9778182-0', further supporting the Emotet family attribution. The document body content is heavily obfuscated and unreadable.

Heuristics 7

  • ClamAV: Doc.Downloader.Emotet-9778182-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9778182-0
  • 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.
  • Suspicious extracted artifact high EXTRACTED_FILE_STATIC_TRIAGE
    One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
  • 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
73784b5943cf314d0c94351f697d020542e983828c792237442b7715b42f981c		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 12871 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved macro source contains an auto-exec entry point and execution/download terms.

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