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

Static analysis result for SHA-256 4cd16d4f199b5f61…

MALICIOUS

Office (OLE) / .XLS

129.5 KB Created: 2015-06-05 18:17:20 Authoring application: Microsoft Excel
MD5: 0bca9d9a4e10b794ac05375ebc19de86 SHA-1: 43983f7c8b45057ec1d732586648f9ac515048f4 SHA-256: 4cd16d4f199b5f619a377b3c260f8423a9e814cc680edad1505e4038fc38ddcc
222 Risk Score

Malware Insights

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

The presence of Auto_Open and Auto_Close macros, along with a critical heuristic for URLDownloadToFile, indicates that this Excel file is designed to download and execute a secondary payload. The embedded URLs are the most likely sources for this payload. The ClamAV detection name 'Doc.Downloader.Docusign112100-9908075-0' further supports the downloader functionality.

Heuristics 6

  • Reference to URLDownloadToFile API critical SC_STR_URLDOWNLOAD
    Reference to URLDownloadToFile API
  • ClamAV: Doc.Downloader.Docusign112100-9908075-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Docusign112100-9908075-0
  • Auto_Open macro high OLE_VBA_AUTO
    Auto_Open macro
  • Auto_Close macro high OLE_VBA_AUTOCLOSE
    Auto_Close 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 http://190.14.37.165/
    • http://5.196.247.11/
    • http://188.119.113.3/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
fde66e20711a7f15978b94a5a866f07b9d20ea1d8f560b84fb649e896abaaf38		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 4585 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.