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

Static analysis result for SHA-256 8a0de87ccaf8efb2…

MALICIOUS

Office (OLE) / .XLS

203.5 KB Created: 2020-11-26 22:27:20
MD5: 4bb3584cc8f750ab27bf51e2d154496b SHA-1: bda4832689dc06c315a3b7a810814527a74915d9 SHA-256: 8a0de87ccaf8efb28f84081e3b589d4bd60c2da182a970838bc1e2fed0037e3e
200 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious File T1105 Ingress Tool Transfer

The file is an XLS document containing VBA macros. A high-confidence heuristic indicates the presence of PowerShell commands, and the document body explicitly shows a PowerShell command. This command is designed to download an executable from 'sparepartiran.com' and then execute it. This indicates a downloader or droppper functionality.

Heuristics 6

  • ClamAV: Xls.Malware.Sagent-10035294-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Xls.Malware.Sagent-10035294-0
  • Reference to PowerShell high SC_STR_POWERSHELL
    Reference to PowerShell
  • CreateObject call high OLE_VBA_CREATEOBJ
    CreateObject call
  • Visible LOLBin command execution instruction high SE_LOLBIN_RUN_COMMAND
    Document contains instructions or visible command text involving Windows script/execution tools such as PowerShell, mshta, cmd, rundll32, or regsvr32
  • 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://sparepartiran.com/js/2Q/Jqeofcirr6.exe

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
42ce0d42b751c9cd4c8fa4619bfecbcd4df96b4f51950b81dac1dac143d32d67		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 1700 bytes

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