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

Static analysis result for SHA-256 d1755df7be47bc3a…

MALICIOUS

Office (OLE) / .XLS

129.5 KB Created: 2015-06-05 18:17:20 Authoring application: Microsoft Excel
MD5: aa414a03d8da2bd7723c97e6c377a836 SHA-1: 65e0ff1d8412d4bf84a4fde210bc24594096831a SHA-256: d1755df7be47bc3aae7f163f3a889f577175f6623b71dca5eb8d8d8fd2ea8cdb
222 Risk Score

Malware Insights

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

The file is a macro-enabled Excel spreadsheet containing Auto_Open and Auto_Close macros. The presence of the URLDownloadToFile API reference and embedded URLs indicates that the macro is designed to download and execute a second-stage payload from one of the listed IP addresses. The ClamAV detection name 'Doc.Downloader.Docusign112100-9908075-0' further supports this 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.