Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 1113535ad1390a02…

MALICIOUS

Office (OLE) / .DOC

185.1 KB Created: 2020-10-16 06:16:00 Authoring application: Microsoft Office Word
MD5: f95e2deb4626925bbd2b49b3209606a7 SHA-1: bd19bf5affa122691ae71c9e63bbfb27c94e2366 SHA-256: 1113535ad1390a021c8f4b7230538a3a08bf9f1cfaea1021fa0d1c2093f83c2d
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The sample is a malicious Microsoft Word document containing VBA macros, specifically a "Document_Open" macro that executes obfuscated code. This code utilizes `CreateObject` to likely download and execute a secondary payload, a common Emotet tactic. The ClamAV detection further confirms its malicious nature and points to the Emotet family.

Heuristics 6

  • ClamAV: Doc.Trojan.Emotet-9778443-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Trojan.Emotet-9778443-1
  • 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.
  • 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
3aa4602d13895bbb19666b18a56108bc3ac6b1953483bc168bcdaa103153ce44		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 15426 bytes

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