Analysis
- user interaction
yes - max time kernel
95s - max time network
100s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
10/08/2026, 04:38
General
- Target LegacyLauncher.exe
- Size 111.9MB
- Sample260810-e9nn6s1emf
- SHA256 a092da5c6df6c6be4341846f43425006ee0da2ce96953cf98a4b947457824ac4
Malware Config
Signatures
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 4 IoCs
- Loads dropped DLL 38 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Drops desktop.ini file(s) 1 IoCs
- Network Service Discovery 1 TTPs 1 IoCs
Attempt to gather information on host's network.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Inno Setup is an open-source installation builder for Windows applications. 3 IoCs
Inno Setup installer
- Checks processor information in registry 2 TTPs 8 IoCs
Processor information is often read in order to detect sandboxing environments.
- Modifies registry class 4 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 8 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SetWindowsHookEx 7 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\LegacyLauncher.exe"C:\Users\Admin\AppData\Local\Temp\LegacyLauncher.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-GUNZVW4P45.tmp\LegacyLauncher.tmp"C:\Users\Admin\AppData\Local\Temp\is-GUNZVW4P45.tmp\LegacyLauncher.tmp" /SL5="$90276,115006833,1320448,C:\Users\Admin\AppData\Local\Temp\LegacyLauncher.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\.tlauncher\legacy\Minecraft\LL.exe"C:\Users\Admin\AppData\Roaming\.tlauncher\legacy\Minecraft\LL.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\.tlauncher\legacy\Minecraft\jre\x64\bin\java.exeC:\Users\Admin\AppData\Roaming\.tlauncher\legacy\Minecraft\jre\x64\bin\java.exe -Dtlauncher.bootstrap.restartExec=LL.exe -Xmx64M -jar launcher/bootstrap.jar4⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\.tlauncher\legacy\Minecraft\jre\x64\bin\javaw.exeC:\Users\Admin\AppData\Roaming\.tlauncher\legacy\Minecraft\jre\x64\bin\javaw.exe -Xmx256m -Dfile.encoding=UTF-8 -Djava.net.useSystemProxies=true -Dtlauncher.systemCharset=UTF-8 -Dtlauncher.logFolder=C:\Users\Admin\AppData\Roaming\.tlauncher\logs --add-exports java.desktop/sun.awt=javafx.swing --add-exports javafx.graphics/com.sun.javafx.application=ALL-UNNAMED -Dtlauncher.bootstrap.restartExec=LL.exe -Dloader.main=net.legacylauncher.bootstrap.Bootstrap -classpath C:\Users\Admin\AppData\Roaming\.tlauncher\legacy\Minecraft\launcher\bootstrap.jar org.springframework.boot.loader.PropertiesLauncher --packageMode windows --targetJar launcher/launcher.jar --targetLibFolder launcher/libraries -- --settings tl.properties5⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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C:\Windows\System32\GameBarPresenceWriter.exe"C:\Windows\System32\GameBarPresenceWriter.exe" -ServerName:Windows.Gaming.GameBar.Internal.PresenceWriterServer1⤵
- Network Service Discovery
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k BcastDVRUserService -s BcastDVRUserService1⤵
- Drops desktop.ini file(s)
- Checks processor information in registry
- Modifies registry class
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Suspicious use of SetWindowsHookEx
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k BcastDVRUserService -s BcastDVRUserService1⤵
- Checks processor information in registry
- Modifies registry class
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Suspicious use of SetWindowsHookEx
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k BcastDVRUserService -s BcastDVRUserService1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
flatlaf-windows-x86_64-5656777155100.dll
LegacyLauncher.tmp
jna15101380436297243325.dll
libtmp11573789263318872456junixsocket-native-2.9.0.dll
tlauncher-repo10280259946532402735.tmp
legacy.properties
LL.exe
awt.dll
fontmanager.dll
freetype.dll
java.dll
java.exe
javaw.exe
jawt.dll
jimage.dll
jli.dll
jsvml.dll
msvcp140.dll
net.dll
nio.dll
classes.jsa
jvm.dll
sunmscapi.dll
vcruntime140.dll
vcruntime140_1.dll
zip.dll
logging.properties
java.security
is-0FRS8BS2TN.tmp
is-HZ0R9YM83O.tmp
is-K1OEMRMD2M.tmp
fontconfig.bfc
jvm.cfg
cacerts
tzdb.dat
tzmappings
bootstrap.jar
stubLauncher.args
tl.args
tl.properties
tl.properties
tl.properties
tl.properties
tl.properties.tmp
desktop.ini
memory/1828-1-0x0000000000690000-0x00000000007E1000-memory.dmp
memory/1828-10-0x0000000000690000-0x00000000007E1000-memory.dmp
memory/1828-0-0x000000000074F000-0x0000000000750000-memory.dmp
memory/1828-1024-0x0000000000690000-0x00000000007E1000-memory.dmp
memory/3916-1010-0x0000000000510000-0x00000000009B5000-memory.dmp
memory/3916-14-0x0000000000510000-0x00000000009B5000-memory.dmp
memory/3916-9-0x0000000000510000-0x00000000009B5000-memory.dmp
memory/3916-252-0x0000000000510000-0x00000000009B5000-memory.dmp
memory/3916-8-0x0000000000510000-0x00000000009B5000-memory.dmp
memory/3916-7-0x0000000000510000-0x00000000009B5000-memory.dmp
memory/3916-979-0x0000000000510000-0x00000000009B5000-memory.dmp
memory/3916-1023-0x0000000000510000-0x00000000009B5000-memory.dmp
memory/4136-1536-0x0000019D86F00000-0x0000019D87F00000-memory.dmp
memory/4136-1550-0x0000019D86F00000-0x0000019D87F00000-memory.dmp
memory/4136-1537-0x0000019D86F00000-0x0000019D87F00000-memory.dmp
memory/4136-1565-0x0000019D86F00000-0x0000019D87F00000-memory.dmp
memory/4136-1538-0x0000019D86F00000-0x0000019D87F00000-memory.dmp
memory/4136-1540-0x0000019D86F00000-0x0000019D87F00000-memory.dmp
memory/4136-1539-0x0000019D86F00000-0x0000019D87F00000-memory.dmp
memory/4136-1542-0x0000019D86F00000-0x0000019D87F00000-memory.dmp
memory/4136-1543-0x0000019D86F00000-0x0000019D87F00000-memory.dmp
memory/4136-1545-0x0000019D86F00000-0x0000019D87F00000-memory.dmp
memory/4136-1546-0x0000019D86F00000-0x0000019D87F00000-memory.dmp
memory/4136-1547-0x0000019D86F00000-0x0000019D87F00000-memory.dmp
memory/4136-1549-0x0000019D86F00000-0x0000019D87F00000-memory.dmp
memory/4136-1541-0x0000019D86F00000-0x0000019D87F00000-memory.dmp
memory/4136-1551-0x0000019D86F00000-0x0000019D87F00000-memory.dmp
memory/4136-1564-0x0000019D86F00000-0x0000019D87F00000-memory.dmp
memory/4136-1552-0x0000019D86F00000-0x0000019D87F00000-memory.dmp
memory/4136-1553-0x0000019D86F00000-0x0000019D87F00000-memory.dmp
memory/4136-1554-0x0000019D86F00000-0x0000019D87F00000-memory.dmp
memory/4136-1555-0x0000019D86F00000-0x0000019D87F00000-memory.dmp
memory/4136-1556-0x0000019D86F00000-0x0000019D87F00000-memory.dmp
memory/4136-1557-0x0000019D86F00000-0x0000019D87F00000-memory.dmp
memory/4136-1558-0x0000019D86F00000-0x0000019D87F00000-memory.dmp
memory/4136-1559-0x0000019D86F00000-0x0000019D87F00000-memory.dmp
memory/4136-1560-0x0000019D86F00000-0x0000019D87F00000-memory.dmp
memory/4136-1561-0x0000019D86F00000-0x0000019D87F00000-memory.dmp
memory/4136-1562-0x0000019D86F00000-0x0000019D87F00000-memory.dmp
memory/4136-1563-0x0000019D86F00000-0x0000019D87F00000-memory.dmp
memory/4360-984-0x0000000000120000-0x000000000040D000-memory.dmp
memory/4360-1051-0x0000000000120000-0x000000000040D000-memory.dmp