Analysis
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max time kernel
155s -
max time network
50s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
25-06-2022 22:03
Static task
static1
Behavioral task
behavioral1
Sample
37d20da1d9f4859c04c4f4fa921ef98cec87c7c50e1666c3fe9be5104716b268.jar
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
37d20da1d9f4859c04c4f4fa921ef98cec87c7c50e1666c3fe9be5104716b268.jar
Resource
win10v2004-20220414-en
General
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Target
37d20da1d9f4859c04c4f4fa921ef98cec87c7c50e1666c3fe9be5104716b268.jar
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Size
534KB
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MD5
93d2d92db87d216a310f3e57989f5b71
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SHA1
c9e87592ad9e35a4042d8f766c537a866a359fd9
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SHA256
37d20da1d9f4859c04c4f4fa921ef98cec87c7c50e1666c3fe9be5104716b268
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SHA512
7efd15ef40f5cb46cf905ab96a7d19b114e111b2cf77a0729de5693019242e0c013cc4c846051d14286915dcf52edb22e2fa388dc1119ab1284f1dd3df110880
Malware Config
Signatures
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Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\System32\test.txt java.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 884 java.exe 2000 java.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 884 wrote to memory of 2000 884 java.exe 28 PID 884 wrote to memory of 2000 884 java.exe 28 PID 884 wrote to memory of 2000 884 java.exe 28 PID 2000 wrote to memory of 1516 2000 java.exe 30 PID 2000 wrote to memory of 1516 2000 java.exe 30 PID 2000 wrote to memory of 1516 2000 java.exe 30 PID 884 wrote to memory of 1460 884 java.exe 29 PID 884 wrote to memory of 1460 884 java.exe 29 PID 884 wrote to memory of 1460 884 java.exe 29 PID 1516 wrote to memory of 528 1516 cmd.exe 32 PID 1516 wrote to memory of 528 1516 cmd.exe 32 PID 1516 wrote to memory of 528 1516 cmd.exe 32 PID 1460 wrote to memory of 732 1460 cmd.exe 31 PID 1460 wrote to memory of 732 1460 cmd.exe 31 PID 1460 wrote to memory of 732 1460 cmd.exe 31 PID 2000 wrote to memory of 1932 2000 java.exe 35 PID 2000 wrote to memory of 1932 2000 java.exe 35 PID 2000 wrote to memory of 1932 2000 java.exe 35 PID 884 wrote to memory of 268 884 java.exe 33 PID 884 wrote to memory of 268 884 java.exe 33 PID 884 wrote to memory of 268 884 java.exe 33 PID 1932 wrote to memory of 1464 1932 cmd.exe 34 PID 1932 wrote to memory of 1464 1932 cmd.exe 34 PID 1932 wrote to memory of 1464 1932 cmd.exe 34 PID 268 wrote to memory of 828 268 cmd.exe 36 PID 268 wrote to memory of 828 268 cmd.exe 36 PID 268 wrote to memory of 828 268 cmd.exe 36 PID 2000 wrote to memory of 1616 2000 java.exe 37 PID 2000 wrote to memory of 1616 2000 java.exe 37 PID 2000 wrote to memory of 1616 2000 java.exe 37 PID 884 wrote to memory of 1668 884 java.exe 38 PID 884 wrote to memory of 1668 884 java.exe 38 PID 884 wrote to memory of 1668 884 java.exe 38 PID 2000 wrote to memory of 548 2000 java.exe 39 PID 2000 wrote to memory of 548 2000 java.exe 39 PID 2000 wrote to memory of 548 2000 java.exe 39
Processes
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C:\Windows\system32\java.exejava -jar C:\Users\Admin\AppData\Local\Temp\37d20da1d9f4859c04c4f4fa921ef98cec87c7c50e1666c3fe9be5104716b268.jar1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:884 -
C:\Program Files\Java\jre7\bin\java.exe"C:\Program Files\Java\jre7\bin\java.exe" -jar C:\Users\Admin\AppData\Local\Temp\_0.7127673081130469010108054537172662.class2⤵
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2000 -
C:\Windows\system32\cmd.execmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive5244630339597648247.vbs3⤵
- Suspicious use of WriteProcessMemory
PID:1516 -
C:\Windows\system32\cscript.execscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive5244630339597648247.vbs4⤵PID:528
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C:\Windows\system32\cmd.execmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive2705399426593611046.vbs3⤵
- Suspicious use of WriteProcessMemory
PID:1932
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C:\Windows\system32\xcopy.exexcopy "C:\Program Files\Java\jre7" "C:\Users\Admin\AppData\Roaming\Oracle\" /e3⤵PID:1616
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C:\Windows\system32\cmd.execmd.exe3⤵PID:548
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C:\Windows\system32\cmd.execmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive6532174865865582237.vbs2⤵
- Suspicious use of WriteProcessMemory
PID:1460 -
C:\Windows\system32\cscript.execscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive6532174865865582237.vbs3⤵PID:732
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C:\Windows\system32\cmd.execmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive6157373974995868807.vbs2⤵
- Suspicious use of WriteProcessMemory
PID:268 -
C:\Windows\system32\cscript.execscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive6157373974995868807.vbs3⤵PID:828
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C:\Windows\system32\xcopy.exexcopy "C:\Program Files\Java\jre7" "C:\Users\Admin\AppData\Roaming\Oracle\" /e2⤵PID:1668
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C:\Windows\system32\cscript.execscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive2705399426593611046.vbs1⤵PID:1464
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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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
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-1-5-21-1819626980-2277161760-1023733287-1000\83aa4cc77f591dfc2374580bbd95f6ba_e0ffcd78-9b22-40d1-a23f-5e55cdd3b217
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd