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

Static analysis result for SHA-256 ca62b539cdedd38c…

MALICIOUS

Office (OLE) / .DOC

15.0 KB
MD5: a1e2b009aa35b6dd56847aa25b63afdf SHA-1: 5858776aba9e3fd1395835d13947efb4ab3145a9 SHA-256: ca62b539cdedd38ca4243b8c1e5ae57ba2fc729ebff509c04f3cd165de6c27d1
220 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1105 Ingress Tool Transfer

The sample is a malicious DOC file containing VBA macros. The AutoOpen macro is present and triggers the execution of malicious code. Specifically, the macro uses the URLDownloadToFile API to download a file from 'https://intern.teppich-traum.net/1/setup.exe'. This downloaded file is likely a second-stage payload. The presence of URLDownloadToFile and CreateProcess API calls strongly indicates a downloader or droppper functionality.

Heuristics 6

  • Reference to URLDownloadToFile API critical SC_STR_URLDOWNLOAD
    Reference to URLDownloadToFile API
  • URLDownloadToFile in VBA critical OLE_VBA_DOWNLOAD
    URLDownloadToFile in VBA
  • Reference to CreateProcess API high SC_STR_CREATEPROCESS
    Reference to CreateProcess API
  • AutoOpen macro high OLE_VBA_AUTOOPEN
    AutoOpen macro
  • 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 https://intern.teppich-traum.net/1/setup.exeMicrosoftSqlServerServerSmiOrderPropertySmiColumnOrdere�

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
07b60a23c51c3af8a264860f25d494f377d97ca6e74feda164d408525414a39d		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 3675 bytes

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