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

Static analysis result for SHA-256 202b9b435f874817…

MALICIOUS

Office (OLE) / .XLSX

273.5 KB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel
MD5: f04988dfb897ed46be8295b99cf00c5e SHA-1: 3735288a221595ef827f2725e12834bc3a93b941 SHA-256: 202b9b435f874817923668765ba41c9201c4841d3599c00027dab6860b77f304
60 Risk Score

Malware Insights

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

The sample contains an Excel 4.0 macro sheet and employs a lure to trick the user into enabling macros, impersonating a document signing service. The document body contains a URL, 'sssolutionsllc.org/k.php', which is likely used to download a second-stage payload. The presence of XLM macros and the specific lure suggest a downloader functionality.

Heuristics 3

  • Excel 4.0 (XLM) macro sheet present medium OLE_XLM_AUTOOPEN
    Workbook contains an Excel 4.0 macro sheet sub-stream — XLM is rarely seen in modern legitimate workbooks and was a major Office malware vector during 2020-2022.
  • Macro/content-enable lure medium SE_ENABLE_LURE
    Document instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings
  • Document signing service impersonation lure medium SE_DOCUSIGN_LURE
    Document impersonates DocuSign, Adobe Sign, or a similar signing service in a signing-request context

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