General
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Target
shtorm_sb.exe
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Size
238KB
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Sample
240718-r14p9asgrk
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MD5
2faf13feda202796051c439b5abd8d48
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SHA1
5c2d1f4be4f7dcef2f5577a15ea3f31c59ddbe8b
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SHA256
cde6b414622136dd14a5a025f6d8fe2313c36a347086fceb168b5dff1a6c288b
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SHA512
dd46a3f553ff3bf0a39b8f4132d1053ac1758b2befb8a1b096455bd7812f2bcaf29fc9dcf00ef0bb972b4c27e47cc2b347f3fe4e58bab7708be1855fd7bdf2b9
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SSDEEP
1536:tDeWitn1NIohnWQoJ0GSbhdp2QfV9XBqn6MHxOwz3i+7BanqY5DW1T:VePbVnhuSbvppn8ROwzrirDcT
Behavioral task
behavioral1
Sample
shtorm_sb.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
shtorm_sb.exe
Resource
win10v2004-20240709-en
Malware Config
Extracted
xworm
127.0.0.1:13244
close-material.gl.at.ply.gg:13244
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Install_directory
%AppData%
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install_file
svсhost.exe
Targets
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Target
shtorm_sb.exe
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Size
238KB
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MD5
2faf13feda202796051c439b5abd8d48
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SHA1
5c2d1f4be4f7dcef2f5577a15ea3f31c59ddbe8b
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SHA256
cde6b414622136dd14a5a025f6d8fe2313c36a347086fceb168b5dff1a6c288b
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SHA512
dd46a3f553ff3bf0a39b8f4132d1053ac1758b2befb8a1b096455bd7812f2bcaf29fc9dcf00ef0bb972b4c27e47cc2b347f3fe4e58bab7708be1855fd7bdf2b9
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SSDEEP
1536:tDeWitn1NIohnWQoJ0GSbhdp2QfV9XBqn6MHxOwz3i+7BanqY5DW1T:VePbVnhuSbvppn8ROwzrirDcT
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DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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Detect Xworm Payload
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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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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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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
1