Malicious Office (OLE) / .DOC — malware analysis report

Static analysis result for SHA-256 eeec0046cd334722…

MALICIOUS

Office (OLE) / .DOC

143.8 KB Created: 2019-05-03 16:05:00 Authoring application: Microsoft Office Word
MD5: a9407e1b2032c17100771d01a570894c SHA-1: 74d037b86fc01610521562aa0902541c518a04ed SHA-256: eeec0046cd334722d51b9db31e8c18d1d6ace4246c790bbbc311d553c2f3ddd4
260 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1059.003 Windows Command Shell T1204.002 Malicious File

The sample contains VBA macros, including an AutoOpen macro, which is a common delivery mechanism for malicious documents. The critical heuristic 'OLE_VBA_WMI_PROCESS_CREATE' indicates the macro attempts to launch processes using WMI. This suggests the macro's purpose is to download and execute a second-stage payload. The ClamAV detection 'Doc.Malware.Sagent-6961490-0' further supports the malicious nature of the file.

Heuristics 7

  • VBA WMI Win32_Process launcher critical OLE_VBA_WMI_PROCESS_CREATE
    VBA macro builds or references a WMI moniker for Win32_Process and invokes .Create to start a command. This is a high-confidence macro execution chain that often hides the WMI class name through string concatenation or helper functions.
  • ClamAV: Doc.Malware.Sagent-6961490-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Sagent-6961490-0
  • AutoOpen macro high OLE_VBA_AUTOOPEN
    AutoOpen macro
  • 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.
  • 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
e71b7071e06974e458530c93eafe2700d5a39e25778032df1e897f81a57cf407		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 8570 bytes

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