Emotet — Office (OLE) malware analysis

Static analysis result for SHA-256 ccd1956cb2a39a04…

MALICIOUS

Office (OLE)

130.8 KB Created: 2020-10-14 22:05:00 Authoring application: Microsoft Office Word
MD5: f1ed8b01a579d68c4842eb170756c23c SHA-1: 27d1bf777dbdd990f1cca665858ad3bfb7c2b5f6 SHA-256: ccd1956cb2a39a049f6f2d76a11699152d77479d7bec16063c1f9a559e3960d6
240 Risk Score

Malware Insights

Emotet · confidence 95%

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

The file is identified as malicious by ClamAV with the signature 'Doc.Malware.Emotet-9777973-1', strongly indicating the Emotet family. High-severity heuristics confirm the presence of VBA macros, specifically a Document_Open auto-execution macro that utilizes CreateObject. This suggests the macro is designed to download and execute a secondary payload. The obfuscated document body content does not provide further insight into the specific lure.

Heuristics 7

  • ClamAV: Doc.Malware.Emotet-9777973-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9777973-1
  • 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
9296410b78ac92b55714bdfa954afbb0bd00efb2266f225f69af6657d47bd2de		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 9460 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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