Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 e9912e1077bda9f9…

MALICIOUS

Office (OLE) / .DOC

193.5 KB Created: 2019-02-22 08:22:00 Authoring application: Microsoft Office Word
MD5: 90f849654ed1b2fafb124cbc1093e036 SHA-1: e102fd64f47951024988c1664cd3af6ede49496b SHA-256: e9912e1077bda9f94ecfbbc184e654dae92f680485efd93443df48ed9243317d
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 an AutoOpen macro, which is a common delivery mechanism for Emotet. The ClamAV detection explicitly names 'Doc.Downloader.Emotet-6865930-0', strongly indicating the Emotet family. The AutoOpen macro combined with a GetObject call suggests the macro is designed to execute code, likely to download and run a secondary payload.

Heuristics 7

  • ClamAV: Doc.Downloader.Emotet-6865930-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-6865930-0
  • AutoOpen macro high OLE_VBA_AUTOOPEN
    AutoOpen macro
  • GetObject call high OLE_VBA_GETOBJ
    GetObject 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
1049ad478935a16ad0ff33b7186a852f6dd2320f74eafbfdfe3dab09ec2b7aa3		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 43093 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 183 Chr/ChrW string-construction calls.

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