Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
08/02/2023, 19:53
Static task
static1
Behavioral task
behavioral1
Sample
Salwyrr Minecraft.jar
Resource
win7-20220812-en
0 signatures
150 seconds
Behavioral task
behavioral2
Sample
Salwyrr Minecraft.jar
Resource
win10v2004-20221111-en
4 signatures
150 seconds
General
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Target
Salwyrr Minecraft.jar
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Size
1.1MB
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MD5
0d978f1de0cf6d1e0d2793044eae90fb
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SHA1
da074ee152d44db2e3e3a95b2cc05d8f11ea20b9
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SHA256
49e4f65c5378e2f46de35f8dbe0af0f20887fc24284480dc94818b4fceb2a44d
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SHA512
a2113e77099138e6463f02de6f9622ad87ad740df67ac097ce1f361d29069cfa33da20c8ff31197eb7cad3264273306224e84f8d6d63601b9ea9eaf4e9974985
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SSDEEP
24576:jGyNIGcoO6Z54Ihj7HX/4sQgJAcb+mgWQZIKnuGHZm/aMUt:Cqx1t544j73/gcqmg1tuGHZm/aMUt
Score
4/10
Malware Config
Signatures
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Drops file in Program Files directory 12 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\server\symbols\dll\jvm.pdb java.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\jvm.pdb java.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\dll\jvm.pdb java.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\server\dll\ntdll.pdb java.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\server\symbols\dll\ntdll.pdb java.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\ntdll.pdb java.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\symbols\dll\ntdll.pdb java.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\server\jvm.pdb java.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\server\dll\jvm.pdb java.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\symbols\dll\jvm.pdb java.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\server\ntdll.pdb java.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\dll\ntdll.pdb java.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString svchost.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-2386679933-1492765628-3466841596-1000\{F4324199-B8FF-4AE2-A9E1-545993F2EA65} svchost.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 4712 OpenWith.exe 4928 java.exe 4928 java.exe
Processes
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C:\ProgramData\Oracle\Java\javapath\java.exejava -jar "C:\Users\Admin\AppData\Local\Temp\Salwyrr Minecraft.jar"1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
PID:4928
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C:\Windows\System32\GameBarPresenceWriter.exe"C:\Windows\System32\GameBarPresenceWriter.exe" -ServerName:Windows.Gaming.GameBar.Internal.PresenceWriterServer1⤵PID:2932
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C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Suspicious use of SetWindowsHookEx
PID:4712
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k BcastDVRUserService -s BcastDVRUserService1⤵
- Checks processor information in registry
- Modifies registry class
PID:4268