General
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Target
playit-0.9.4-signed.exe
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Size
4.5MB
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Sample
241109-2weknstgmr
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MD5
b5a2f8dde0d824b64b749f0db69d00d4
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SHA1
2cf1025a87a2dee9972b71f54e399e37ae75e043
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SHA256
12f2da4d791bd7654bb4e89d48cef58c07e2b804be1c6f79ee3d68e9e9566906
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SHA512
107a05c44148d9b4c7ae597c94e1a99809addeb43ade7178effd83758bd443afbaf9d3008894c8e5834ac9acb308517097418bc8a5f9f0d50d25a373aa6637d6
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SSDEEP
98304:yJd9khieA3BPOtdBrkFVYBh7IoAyTzZwFkQoGtczBOlzp2ybcBk:yJnkvAxPO3BrkFVYBKoASaFJekl92AcB
Static task
static1
Malware Config
Extracted
xworm
3.1
147.185.221.23:24311
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Install_directory
%AppData%
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install_file
RegEdit.exe
Targets
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Target
playit-0.9.4-signed.exe
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Size
4.5MB
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MD5
b5a2f8dde0d824b64b749f0db69d00d4
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SHA1
2cf1025a87a2dee9972b71f54e399e37ae75e043
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SHA256
12f2da4d791bd7654bb4e89d48cef58c07e2b804be1c6f79ee3d68e9e9566906
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SHA512
107a05c44148d9b4c7ae597c94e1a99809addeb43ade7178effd83758bd443afbaf9d3008894c8e5834ac9acb308517097418bc8a5f9f0d50d25a373aa6637d6
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SSDEEP
98304:yJd9khieA3BPOtdBrkFVYBh7IoAyTzZwFkQoGtczBOlzp2ybcBk:yJnkvAxPO3BrkFVYBKoASaFJekl92AcB
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Contains code to disable Windows Defender
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
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Detect Xworm Payload
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Xworm family
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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Disables Task Manager via registry modification
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Drops startup file
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Executes dropped EXE
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Loads dropped DLL
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Adds Run key to start application
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Drops file in System32 directory
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1