Analysis
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max time kernel
27s -
max time network
33s -
platform
windows10-2004_x64 -
resource
win10v2004-20220718-en -
resource tags
arch:x64arch:x86image:win10v2004-20220718-enlocale:en-usos:windows10-2004-x64system -
submitted
18-07-2022 18:59
Static task
static1
Behavioral task
behavioral1
Sample
50f43806d6f9849179498edaecfbecadc81b05d06784a9a56e49f2f7160b35f4.jar
Resource
win7-20220718-en
General
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Target
50f43806d6f9849179498edaecfbecadc81b05d06784a9a56e49f2f7160b35f4.jar
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Size
633KB
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MD5
1a53ddcecae55654cf3bda69b0663449
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SHA1
371523b07b00801029c517d7e6fe657a0d46b8a3
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SHA256
50f43806d6f9849179498edaecfbecadc81b05d06784a9a56e49f2f7160b35f4
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SHA512
a4e7842b639fd3c1bd06eedcf230aa32bc7fb117adee14ea001c19718709f4e87c0e387d194c2b3c4d35a40f377dcba766481daf7df8eea1ee45db7c20481781
Malware Config
Signatures
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Drops file in Program Files directory 12 IoCs
Processes:
java.exedescription ioc Process 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\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\dll\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\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\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\server\jvm.pdb java.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\server\dll\jvm.pdb java.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
java.exepid Process 3904 java.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
java.exejava.execmd.exedescription pid Process procid_target PID 1412 wrote to memory of 3904 1412 java.exe 77 PID 1412 wrote to memory of 3904 1412 java.exe 77 PID 3904 wrote to memory of 5068 3904 java.exe 79 PID 3904 wrote to memory of 5068 3904 java.exe 79 PID 5068 wrote to memory of 4868 5068 cmd.exe 81 PID 5068 wrote to memory of 4868 5068 cmd.exe 81
Processes
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C:\ProgramData\Oracle\Java\javapath\java.exejava -jar C:\Users\Admin\AppData\Local\Temp\50f43806d6f9849179498edaecfbecadc81b05d06784a9a56e49f2f7160b35f4.jar1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1412 -
C:\Program Files\Java\jre1.8.0_66\bin\java.exe"C:\Program Files\Java\jre1.8.0_66\bin\java.exe" -jar C:\Users\Admin\AppData\Local\Temp\_0.0134156909642064738829064809970176935.class2⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3904 -
C:\Windows\SYSTEM32\cmd.execmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive6914977994491898927.vbs3⤵
- Suspicious use of WriteProcessMemory
PID:5068 -
C:\Windows\system32\cscript.execscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive6914977994491898927.vbs4⤵PID:4868
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C:\Windows\SYSTEM32\cmd.execmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive1910428280527386922.vbs3⤵PID:3204
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C:\Windows\system32\cscript.execscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive1910428280527386922.vbs4⤵PID:3968
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C:\Windows\SYSTEM32\xcopy.exexcopy "C:\Program Files\Java\jre1.8.0_66" "C:\Users\Admin\AppData\Roaming\Oracle\" /e3⤵PID:5084
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C:\Windows\SYSTEM32\cmd.execmd.exe3⤵PID:2040
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
50B
MD53f130f45765369bd41c69c8f0f90da75
SHA16ba09ab6159cd00e1aa9511e8034a9703f3bbb3d
SHA2560bc2d3e99b9bb6085381b6b8bb98ca759ed10f90e76e01dbe1c04a04531de7bd
SHA51227ee0d85991993c49f3fb82c75cb1e3eb6302faf091339685aa633e76f60fc79fe02d917c5dd0e91e96e4ee91dae078033f49e5be33f0983c1605a2091e6ab0d
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Filesize
281B
MD5a32c109297ed1ca155598cd295c26611
SHA1dc4a1fdbaad15ddd6fe22d3907c6b03727b71510
SHA25645bfe34aa3ef932f75101246eb53d032f5e7cf6d1f5b4e495334955a255f32e7
SHA51270372552dc86fe02ece9fe3b7721463f80be07a34126b2c75b41e30078cda9e90744c7d644df623f63d4fb985482e345b3351c4d3da873162152c67fc6ecc887
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Filesize
276B
MD53bdfd33017806b85949b6faa7d4b98e4
SHA1f92844fee69ef98db6e68931adfaa9a0a0f8ce66
SHA2569da575dd2d5b7c1e9bab8b51a16cde457b3371c6dcdb0537356cf1497fa868f6
SHA512ae5e5686ae71edef53e71cd842cb6799e4383b9c238a5c361b81647efa128d2fedf3bf464997771b5b0c47a058fecae7829aeedcd098c80a11008581e5781429
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Filesize
241KB
MD5781fb531354d6f291f1ccab48da6d39f
SHA19ce4518ebcb5be6d1f0b5477fa00c26860fe9a68
SHA25697d585b6aff62fb4e43e7e6a5f816dcd7a14be11a88b109a9ba9e8cd4c456eb9
SHA5123e6630f5feb4a3eb1dac7e9125ce14b1a2a45d7415cf44cea42bc51b2a9aa37169ee4a4c36c888c8f2696e7d6e298e2ad7b2f4c22868aaa5948210eb7db220d8
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2783062828-828903012-4218294845-1000\83aa4cc77f591dfc2374580bbd95f6ba_6bc4f1a7-81b1-41ee-9ade-7ee4bdaf44c0
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd