Emotet — Office (OLE) malware analysis

Static analysis result for SHA-256 d0f1cb08c5380e2a…

MALICIOUS

Office (OLE)

147.6 KB Created: 2020-10-15 14:34:00 Authoring application: Microsoft Office Word
MD5: a6b89b3731724acc711c71604a426409 SHA-1: c4b05884f21d2a1f6b6a1c4334771d3c6689bfa7 SHA-256: d0f1cb08c5380e2a14faad3e1a755c3865a88a74250cacc67c970f6abe6870ff
240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1105 Ingress Tool Transfer

The file contains VBA macros, specifically a Document_Open macro that utilizes CreateObject, indicating an auto-execution attempt. ClamAV identifies this as Doc.Downloader.Emotet-9778224-0. The presence of a VBA macro that likely downloads a second-stage payload, combined with the Emotet family detection, strongly suggests a downloader attack pattern.

Heuristics 7

  • ClamAV: Doc.Downloader.Emotet-9778224-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9778224-0
  • 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
b2c5689ca3757fa4157ea59f16365cb334e68487bb4f8496fb867967402af424		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 12861 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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