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

Static analysis result for SHA-256 24ea3af29c778fcd…

MALICIOUS

Office (OLE) / .XLS

273.5 KB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel
MD5: 7b2e6a3229e619a582214b830087926d SHA-1: 0d51046e6a3b3149de986e456e664bd3e6eeda61 SHA-256: 24ea3af29c778fcd8b0672104e83fa4a0683355e4ae206043ce55517875cc8fc
60 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.002 Malicious Link: Malicious File T1059 Command and Scripting Interpreter T1059.005 Command and Scripting Interpreter: Visual Basic

The sample is an Excel 4.0 macro sheet (XLM) that uses a lure to trick the user into enabling macros, impersonating a document signing service. The document body contains text fragments that appear to be related to the lure and potentially the payload download URL. The presence of XLM macros indicates a likely downloader or droppper functionality, aiming to retrieve and execute a second-stage payload from the URL 'sssolutionsllc.org/k.php'.

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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