Analysis
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max time kernel
148s -
max time network
132s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
resource tags
arch:x64arch:x86image:win10v2004-20220414-enlocale:en-usos:windows10-2004-x64system -
submitted
19-07-2022 03:16
Static task
static1
Behavioral task
behavioral1
Sample
50617a44077480217efd8640a88aede5cc4e8693d9a53f33b3dc82ce5df1bb69.jar
Resource
win7-20220718-en
General
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Target
50617a44077480217efd8640a88aede5cc4e8693d9a53f33b3dc82ce5df1bb69.jar
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Size
542KB
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MD5
c22ebab7ce30554b5560512984f2ef67
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SHA1
fd79891e1c4295858a2e3874744a5dbb037bff9f
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SHA256
50617a44077480217efd8640a88aede5cc4e8693d9a53f33b3dc82ce5df1bb69
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SHA512
70cf38452093d1d65335e76a038704003ace3f5fe2fa385708e38852eaf7335fadf33e0788c697d47937de39982e1236944a7945010fa17639f7e7852f8a81a3
Malware Config
Signatures
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Drops file in System32 directory 1 IoCs
Processes:
java.exedescription ioc Process File created C:\Windows\System32\test.txt java.exe -
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\ntdll.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\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\symbols\dll\jvm.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 -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
java.exepid Process 4776 java.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
java.exejava.execmd.execmd.exedescription pid Process procid_target PID 932 wrote to memory of 4776 932 java.exe 81 PID 932 wrote to memory of 4776 932 java.exe 81 PID 4776 wrote to memory of 828 4776 java.exe 83 PID 4776 wrote to memory of 828 4776 java.exe 83 PID 828 wrote to memory of 980 828 cmd.exe 87 PID 828 wrote to memory of 980 828 cmd.exe 87 PID 4776 wrote to memory of 4212 4776 java.exe 89 PID 4776 wrote to memory of 4212 4776 java.exe 89 PID 4212 wrote to memory of 348 4212 cmd.exe 91 PID 4212 wrote to memory of 348 4212 cmd.exe 91 PID 4776 wrote to memory of 3840 4776 java.exe 93 PID 4776 wrote to memory of 3840 4776 java.exe 93 PID 4776 wrote to memory of 4864 4776 java.exe 97 PID 4776 wrote to memory of 4864 4776 java.exe 97
Processes
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C:\ProgramData\Oracle\Java\javapath\java.exejava -jar C:\Users\Admin\AppData\Local\Temp\50617a44077480217efd8640a88aede5cc4e8693d9a53f33b3dc82ce5df1bb69.jar1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:932 -
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\_0.59846328517956661210898510223044673.class2⤵
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4776 -
C:\Windows\SYSTEM32\cmd.execmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive9116374200958143618.vbs3⤵
- Suspicious use of WriteProcessMemory
PID:828 -
C:\Windows\system32\cscript.execscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive9116374200958143618.vbs4⤵PID:980
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C:\Windows\SYSTEM32\cmd.execmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive5113275483754584296.vbs3⤵
- Suspicious use of WriteProcessMemory
PID:4212 -
C:\Windows\system32\cscript.execscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive5113275483754584296.vbs4⤵PID:348
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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:3840
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C:\Windows\SYSTEM32\cmd.execmd.exe3⤵PID:4864
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
50B
MD578827f8e5e1911d44c1c5a861f0ba58a
SHA177cd5a7acca1bf447c3e354ca5751a2fa69371c5
SHA256f765b177e01ffb8f512847bbf33b5de6797b9b15a3c78ed1c1c383e638160910
SHA5120f89f29acdc31b05fa78f89642758c7cc26e6cdec44ba9951086140cd6a15aa5e8382f397fb93ac12199109c27f8747f35ae36eefcd711119bfb3b9ba0a5c988
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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-1-5-21-1809750270-3141839489-3074374771-1000\83aa4cc77f591dfc2374580bbd95f6ba_2c7a2658-1166-4e8e-b7f6-c01b4ff97801
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd