Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 f2b0207491ef2795…

MALICIOUS

Office (OLE) / .DOCX

162.4 KB Created: 2020-12-29 20:50:00 Authoring application: Microsoft Office Word
MD5: 474970d5d50c7b6f2fd973cdd890f092 SHA-1: d39e6111bb01cea6e2ba474d0aac020940b43cdb SHA-256: f2b0207491ef2795d3e585dded16d15d536a7649834aba2f6e24036ee9bb1b2f
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, including a Document_Open auto-execution macro, which is a common delivery mechanism for Emotet. The ClamAV detection name 'Doc.Downloader.EmotetRed02224-9938637-0' strongly suggests Emotet. The macros likely download and execute a second-stage payload, as indicated by the 'CreateObject' call and the 'p-code auto-exec with execution tokens' heuristic.

Heuristics 7

  • ClamAV: Doc.Downloader.EmotetRed02224-9938637-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.EmotetRed02224-9938637-0
  • 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
e5f9549007a41fec3f244ce297cfb2983cfeb314035104f84c750e8267247398		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 8311 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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