Analysis
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max time kernel
73s -
max time network
38s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
24-03-2023 01:37
Static task
static1
Behavioral task
behavioral1
Sample
b7f46caa4c8a8bdc972cc75781ad43cf8d8436a8640e24b03d34f02560643b70.jar
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
b7f46caa4c8a8bdc972cc75781ad43cf8d8436a8640e24b03d34f02560643b70.jar
Resource
win10v2004-20230220-en
General
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Target
b7f46caa4c8a8bdc972cc75781ad43cf8d8436a8640e24b03d34f02560643b70.jar
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Size
960KB
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MD5
66054f63d4a48886cd03fd7915eed7f6
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SHA1
b2024714631ce5dd5ff2e5a45b58b8c689d2c8c5
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SHA256
b7f46caa4c8a8bdc972cc75781ad43cf8d8436a8640e24b03d34f02560643b70
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SHA512
93b9138588da1aa0501f7498311002ce7ecf96bced09ec2796c64ef0070899246741f83bff1645d5c99e041fe9bc1f483735cb6e96d4527c8f6db7d317c1f3cb
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SSDEEP
24576:pSd+wLAE4ZpkJKmUDvWtArQUEqMgSvNriU:lwS39vWaqqMNvNx
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
java.exejavaw.exepid process 1640 java.exe 1596 javaw.exe -
Suspicious use of WriteProcessMemory 24 IoCs
Processes:
java.exewscript.exejavaw.exejava.execmd.execmd.exedescription pid process target process PID 1160 wrote to memory of 1068 1160 java.exe wscript.exe PID 1160 wrote to memory of 1068 1160 java.exe wscript.exe PID 1160 wrote to memory of 1068 1160 java.exe wscript.exe PID 1068 wrote to memory of 1596 1068 wscript.exe javaw.exe PID 1068 wrote to memory of 1596 1068 wscript.exe javaw.exe PID 1068 wrote to memory of 1596 1068 wscript.exe javaw.exe PID 1596 wrote to memory of 1640 1596 javaw.exe java.exe PID 1596 wrote to memory of 1640 1596 javaw.exe java.exe PID 1596 wrote to memory of 1640 1596 javaw.exe java.exe PID 1640 wrote to memory of 1352 1640 java.exe cmd.exe PID 1640 wrote to memory of 1352 1640 java.exe cmd.exe PID 1640 wrote to memory of 1352 1640 java.exe cmd.exe PID 1352 wrote to memory of 1404 1352 cmd.exe cscript.exe PID 1352 wrote to memory of 1404 1352 cmd.exe cscript.exe PID 1352 wrote to memory of 1404 1352 cmd.exe cscript.exe PID 1640 wrote to memory of 680 1640 java.exe cmd.exe PID 1640 wrote to memory of 680 1640 java.exe cmd.exe PID 1640 wrote to memory of 680 1640 java.exe cmd.exe PID 680 wrote to memory of 1780 680 cmd.exe cscript.exe PID 680 wrote to memory of 1780 680 cmd.exe cscript.exe PID 680 wrote to memory of 1780 680 cmd.exe cscript.exe PID 1640 wrote to memory of 1068 1640 java.exe xcopy.exe PID 1640 wrote to memory of 1068 1640 java.exe xcopy.exe PID 1640 wrote to memory of 1068 1640 java.exe xcopy.exe
Processes
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C:\Windows\system32\java.exejava -jar C:\Users\Admin\AppData\Local\Temp\b7f46caa4c8a8bdc972cc75781ad43cf8d8436a8640e24b03d34f02560643b70.jar1⤵
- Suspicious use of WriteProcessMemory
PID:1160 -
C:\Windows\system32\wscript.exewscript C:\Users\Admin\erdhvdferx.js2⤵
- Suspicious use of WriteProcessMemory
PID:1068 -
C:\Program Files\Java\jre7\bin\javaw.exe"C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\bqimmdgghr.txt"3⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1596 -
C:\Program Files\Java\jre7\bin\java.exe"C:\Program Files\Java\jre7\bin\java.exe" -jar C:\Users\Admin\AppData\Local\Temp\_0.9755262083300703814453161725911943.class4⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1640 -
C:\Windows\system32\cmd.execmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive240917199929314811.vbs5⤵
- Suspicious use of WriteProcessMemory
PID:1352 -
C:\Windows\system32\cscript.execscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive240917199929314811.vbs6⤵PID:1404
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C:\Windows\system32\cmd.execmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive3636350998794951380.vbs5⤵
- Suspicious use of WriteProcessMemory
PID:680 -
C:\Windows\system32\cscript.execscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive3636350998794951380.vbs6⤵PID:1780
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C:\Windows\system32\xcopy.exexcopy "C:\Program Files\Java\jre7" "C:\Users\Admin\AppData\Roaming\Oracle\" /e5⤵PID:1068
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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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
241KB
MD5781fb531354d6f291f1ccab48da6d39f
SHA19ce4518ebcb5be6d1f0b5477fa00c26860fe9a68
SHA25697d585b6aff62fb4e43e7e6a5f816dcd7a14be11a88b109a9ba9e8cd4c456eb9
SHA5123e6630f5feb4a3eb1dac7e9125ce14b1a2a45d7415cf44cea42bc51b2a9aa37169ee4a4c36c888c8f2696e7d6e298e2ad7b2f4c22868aaa5948210eb7db220d8
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1283023626-844874658-3193756055-1000\83aa4cc77f591dfc2374580bbd95f6ba_97ec3239-d8ea-4bc4-8ce8-63e2080cbe23
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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Filesize
479KB
MD560c30fb124adfb6da82bf66a1f784926
SHA1e711e91e84b0d26f305905fde683e1534e1e3980
SHA25683a0a328d4a71e95c6a17cca54ba3ee4ae26a09d10cbdc8f689ad5325a070c80
SHA51237d1e47274293d3710f36137effa6584240e8435ad1d83b59e64656fd09132adc3199e5660665dcdbee4f86f569bb0f905ddbe426dda8ebba3ab0cd1c1700e91
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Filesize
4.0MB
MD5dec1e41985af1924c4aed1fa8435f2cb
SHA173d000d16831db3b98719ec9b0384fb138893d96
SHA2567c52b9f46b624904f71f6cd6e52cbfc63288cac14ccce282daa23d575a988bde
SHA512342f595e5813825e384e6b222a564e1b2caf81107da21ee1c6393aa61ee238c4102fb59f4b9f1660555b390cbc38c173fbccb344fe8c0e82598d9ce458b40a69