Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 22c171075714c95a…

MALICIOUS

Office (OLE) / .DOCX

220.8 KB Created: 2020-09-18 06:55:00 Authoring application: Microsoft Office Word
MD5: b0bcdbf6cea064e538ff18cc5fb6e205 SHA-1: 3eb72e7ae4f06b81c90950c709b5ac72593c51e9 SHA-256: 22c171075714c95ae4ca82895c1375553e8323f71f2a6cdb4f1ccff8e92fd690
240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1059.001 PowerShell T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with the signature 'Doc.Dropper.EmotetWinMob0920-9636503-0', strongly suggesting the Emotet family. High-severity heuristics indicate the presence of VBA macros, specifically a 'Document_Open' auto-execution macro that uses 'CreateObject'. This pattern is typical for Emotet droppers, which execute embedded VBA code to download and run additional malicious components. No document body text was available for analysis, but the script behavior is sufficient for attribution.

Heuristics 7

  • ClamAV: Doc.Dropper.EmotetWinMob0920-9636503-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Dropper.EmotetWinMob0920-9636503-0
  • 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
88c8a6d475859011dad3993e76e09a2a592ce706e1bde139ef1cfc941be7102d		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 20707 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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