Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 d55ed14cb859a16c…

MALICIOUS

Office (OLE) / .DOC

187.3 KB Created: 2020-09-16 18:57:00 Authoring application: Microsoft Office Word
MD5: 32f77c2fc13d643c196bbec4417ce59c SHA-1: 687e4ee1a681f03b30f24e06a8a89b6e9ba6a477 SHA-256: d55ed14cb859a16cddd063eefbcc2fbc78b5e75f2b964eb1f33e1954ce9f0c71
240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File

The file contains VBA macros, specifically a Document_Open macro that utilizes CreateObject, indicating an auto-execution attempt. ClamAV detection confirms this as 'Doc.Downloader.Emotet-9762284-0'. The presence of a Document_Open macro and the Emotet family attribution strongly suggest the macro is designed to download and execute a second-stage payload.

Heuristics 7

  • ClamAV: Doc.Downloader.Emotet-9762284-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9762284-0
  • 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
c8eacd47a01532c076db7a43a0d927f95cb78ca92fb9fc841101993b58287d9b		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 19132 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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