MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1204.002 Malicious File
The VBA macro within the Excel file contains obfuscated code that ultimately executes a PowerShell command. This command downloads a second-stage executable from 'http://sparepartiran.com/js/2Q/Yvvtz1.exe' and saves it as 'C:\Users\Public\uefummek.exe' before executing it. The presence of PowerShell execution and the download of an executable strongly indicate a malicious downloader.
Heuristics 6
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ClamAV: Xls.Malware.Sagent-10035294-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Xls.Malware.Sagent-10035294-0
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Reference to PowerShell high SC_STR_POWERSHELLReference to PowerShell
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CreateObject call high OLE_VBA_CREATEOBJCreateObject call
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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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VBA macros detected medium OLE_VBA_MACROSDocument contains VBA macro code
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Embedded URL info EMBEDDED_URLOne 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/Yvvtz1.exe
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
macros.bas05a99ec07b36078a38656e3bcff3621b0e9097de6aa8ccb9ef642caf6e3cdd3c |
vba-macro | oletools.olevba.extract_macros (decoded VBA source) | 1700 bytes |
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