Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 bcdd7a0529aeb148…

MALICIOUS

Office (OLE) / .DOCX

158.7 KB Created: 2020-09-15 21:35:00 Authoring application: Microsoft Office Word
MD5: d8e14ae0a9f4ec35a94661cb19f43322 SHA-1: fb1425c241aa6a916e51b78ac2d42c7a5640de2e SHA-256: bcdd7a0529aeb14830e86ce4a8c9fae27fe86f5d23026e4533b53a90469164eb
240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File

The sample contains a Document_Open VBA macro that is automatically executed upon opening. This macro utilizes CreateObject to run obfuscated VBA code. The ClamAV detection name 'Doc.Malware.Emotet-9762290-0' strongly suggests the Emotet family. The VBA code is heavily obfuscated, but the presence of auto-execution and CreateObject calls indicates a downloader or droppper functionality, likely to fetch and execute a second-stage payload.

Heuristics 7

  • ClamAV: Doc.Malware.Emotet-9762290-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9762290-0
  • 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
48aeeefcb5ab39bdc7a9844f7217739e7dc8c9cb3f8a901965d3ff17ec851125
vba-macro oletools.olevba.extract_macros (decoded VBA source) 25311 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved macro source contains an auto-exec entry point and execution/download terms.