Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 55b83e0145826b5f…

MALICIOUS

Office (OLE) / .DOCX

190.0 KB Created: 2020-09-21 14:08:00 Authoring application: Microsoft Office Word
MD5: 69ebe3de59aec37e47e73bd4f985cd00 SHA-1: ddc06d86e2a412362251297fb1431a82551a0698 SHA-256: 55b83e0145826b5f2be4fc231a15ebfea175ce87689594c884ac7a7e4a8a308f
280 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.005 Visual Basic T1059.001 PowerShell T1105 Ingress Tool Transfer

The file is identified as malicious by ClamAV with the signature Doc.Malware.Emotet-9765432-0, strongly suggesting the Emotet family. High-severity heuristics indicate the presence of a Document_Open VBA macro that uses CreateObject and GetObject, which are common techniques for executing malicious payloads. The macro's auto-execution and p-code execution further support this. The primary intent appears to be downloading and executing a second-stage payload.

Heuristics 8

  • ClamAV: Doc.Malware.Emotet-9765432-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9765432-0
  • Document_Open macro high OLE_VBA_DOCOPEN
    Document_Open macro
  • CreateObject call high OLE_VBA_CREATEOBJ
    CreateObject call
  • GetObject call high OLE_VBA_GETOBJ
    GetObject 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
5f8ddf3f75befd9059f3326eb9e354f14c2179c2257f61708817109610baf98e
vba-macro oletools.olevba.extract_macros (decoded VBA source) 19074 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved macro source contains an auto-exec entry point and execution/download terms.