Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 c68350e42d1fb6e2…

MALICIOUS

Office (OLE) / .DOCX

156.2 KB Created: 2020-12-30 18:32:00 Authoring application: Microsoft Office Word
MD5: b0de8d2ce5be39d4cd408e8500bd6ce8 SHA-1: 5b7871115112762a9b850d08a7d1299d2c1c5b2e SHA-256: c68350e42d1fb6e27f14eea5b6a5994cc3d6f0a4c09880eaf03f6fe1382ece1f
240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic for Applications T1059.001 PowerShell T1204.002 Malicious File T1105 Ingress Tool Transfer

The sample contains VBA macros, specifically 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 the Emotet family. The macro likely uses CreateObject to download and execute a second-stage payload, as indicated by the heuristics.

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
e8d3f7d8d02f0b30fe9a4f739a77064bdfd79f1fb249409f6cc7dd9e6c88bf62		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 6622 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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