Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 2bdb231a4e071c32…

MALICIOUS

Office (OLE) / .DOC

177.4 KB Created: 2020-09-18 13:57:00 Authoring application: Microsoft Office Word
MD5: 9f4f0ff572b38581d00b1c369d9cd56c SHA-1: 6141cd20ba2bb473769a301c1ade5a56ce330844 SHA-256: 2bdb231a4e071c32f3734fa0ac5a13e5463ad6aea21e4a089fe1a1c69a56d372
240 Risk Score

Malware Insights

Emotet · confidence 95%

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

The critical ClamAV heuristic identifies this file as Doc.Downloader.Emotet-9763587-0, a known Emotet variant. The presence of a Document_Open macro, CreateObject calls, and VBA p-code execution strongly indicates that the macro is designed to execute automatically upon opening the document. This macro likely downloads and executes a second-stage payload, consistent with Emotet's typical behavior.

Heuristics 7

  • ClamAV: Doc.Downloader.Emotet-9763587-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9763587-0
  • 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
d480f4e62437f12b4fdbfa09699c3791dd8e97ee1633f946eb76ef39a2f5d3e4		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 20121 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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