Analysis
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max time kernel
184s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
14-07-2022 10:45
Static task
static1
Behavioral task
behavioral1
Sample
PO.220471.jar
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
PO.220471.jar
Resource
win10v2004-20220414-en
General
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Target
PO.220471.jar
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Size
627KB
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MD5
b715cb0f045aacb762f59d4b837b9cee
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SHA1
fdbf3dbc872a3a3654807ca955de5af4d4091dfb
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SHA256
df96f72858f4c3c10abee7f9dbb1ae38eb9cff069450bf87547c6cd2a7ef8754
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SHA512
e8332c5937e9aa989b20b6e443c31ec56c4b032e92ab6fc972ce5926bdaeef5384d262d543e4c19552e72710648133b5e353f98c726df2c26eb0844521c06f15
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 -
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 1644 java.exe 1964 javaw.exe -
Suspicious use of WriteProcessMemory 45 IoCs
Processes:
java.exewscript.exejavaw.exejava.execmd.execmd.execmd.execmd.exedescription pid Process procid_target PID 1984 wrote to memory of 1476 1984 java.exe 29 PID 1984 wrote to memory of 1476 1984 java.exe 29 PID 1984 wrote to memory of 1476 1984 java.exe 29 PID 1476 wrote to memory of 668 1476 wscript.exe 30 PID 1476 wrote to memory of 668 1476 wscript.exe 30 PID 1476 wrote to memory of 668 1476 wscript.exe 30 PID 1476 wrote to memory of 1964 1476 wscript.exe 31 PID 1476 wrote to memory of 1964 1476 wscript.exe 31 PID 1476 wrote to memory of 1964 1476 wscript.exe 31 PID 1964 wrote to memory of 1644 1964 javaw.exe 32 PID 1964 wrote to memory of 1644 1964 javaw.exe 32 PID 1964 wrote to memory of 1644 1964 javaw.exe 32 PID 1964 wrote to memory of 556 1964 javaw.exe 35 PID 1964 wrote to memory of 556 1964 javaw.exe 35 PID 1964 wrote to memory of 556 1964 javaw.exe 35 PID 1644 wrote to memory of 1080 1644 java.exe 34 PID 1644 wrote to memory of 1080 1644 java.exe 34 PID 1644 wrote to memory of 1080 1644 java.exe 34 PID 1080 wrote to memory of 1012 1080 cmd.exe 38 PID 1080 wrote to memory of 1012 1080 cmd.exe 38 PID 1080 wrote to memory of 1012 1080 cmd.exe 38 PID 556 wrote to memory of 596 556 cmd.exe 39 PID 556 wrote to memory of 596 556 cmd.exe 39 PID 556 wrote to memory of 596 556 cmd.exe 39 PID 1644 wrote to memory of 1652 1644 java.exe 40 PID 1644 wrote to memory of 1652 1644 java.exe 40 PID 1644 wrote to memory of 1652 1644 java.exe 40 PID 1964 wrote to memory of 1220 1964 javaw.exe 42 PID 1964 wrote to memory of 1220 1964 javaw.exe 42 PID 1964 wrote to memory of 1220 1964 javaw.exe 42 PID 1652 wrote to memory of 1680 1652 cmd.exe 44 PID 1652 wrote to memory of 1680 1652 cmd.exe 44 PID 1652 wrote to memory of 1680 1652 cmd.exe 44 PID 1220 wrote to memory of 892 1220 cmd.exe 45 PID 1220 wrote to memory of 892 1220 cmd.exe 45 PID 1220 wrote to memory of 892 1220 cmd.exe 45 PID 1644 wrote to memory of 948 1644 java.exe 46 PID 1644 wrote to memory of 948 1644 java.exe 46 PID 1644 wrote to memory of 948 1644 java.exe 46 PID 1964 wrote to memory of 1368 1964 javaw.exe 48 PID 1964 wrote to memory of 1368 1964 javaw.exe 48 PID 1964 wrote to memory of 1368 1964 javaw.exe 48 PID 1644 wrote to memory of 748 1644 java.exe 50 PID 1644 wrote to memory of 748 1644 java.exe 50 PID 1644 wrote to memory of 748 1644 java.exe 50
Processes
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C:\Windows\system32\java.exejava -jar C:\Users\Admin\AppData\Local\Temp\PO.220471.jar1⤵
- Suspicious use of WriteProcessMemory
PID:1984 -
C:\Windows\system32\wscript.exewscript C:\Users\Admin\tfvufrkjag.js2⤵
- Suspicious use of WriteProcessMemory
PID:1476 -
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\jsKFpuMqvB.js"3⤵PID:668
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C:\Program Files\Java\jre7\bin\javaw.exe"C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\tbpaugcez.txt"3⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1964 -
C:\Program Files\Java\jre7\bin\java.exe"C:\Program Files\Java\jre7\bin\java.exe" -jar C:\Users\Admin\AppData\Local\Temp\_0.78518672258035826927510301424252648.class4⤵
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1644 -
C:\Windows\system32\cmd.execmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive1424949207180361063.vbs5⤵
- Suspicious use of WriteProcessMemory
PID:1080 -
C:\Windows\system32\cscript.execscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive1424949207180361063.vbs6⤵PID:1012
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C:\Windows\system32\cmd.execmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive4212641570258202039.vbs5⤵
- Suspicious use of WriteProcessMemory
PID:1652 -
C:\Windows\system32\cscript.execscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive4212641570258202039.vbs6⤵PID:1680
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C:\Windows\system32\xcopy.exexcopy "C:\Program Files\Java\jre7" "C:\Users\Admin\AppData\Roaming\Oracle\" /e5⤵PID:948
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C:\Windows\system32\cmd.execmd.exe5⤵PID:748
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C:\Windows\system32\cmd.execmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive1588163961006639217.vbs4⤵
- Suspicious use of WriteProcessMemory
PID:556 -
C:\Windows\system32\cscript.execscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive1588163961006639217.vbs5⤵PID:596
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C:\Windows\system32\cmd.execmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive7827127806811283859.vbs4⤵
- Suspicious use of WriteProcessMemory
PID:1220 -
C:\Windows\system32\cscript.execscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive7827127806811283859.vbs5⤵PID:892
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C:\Windows\system32\xcopy.exexcopy "C:\Program Files\Java\jre7" "C:\Users\Admin\AppData\Roaming\Oracle\" /e4⤵PID:1368
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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
276B
MD53bdfd33017806b85949b6faa7d4b98e4
SHA1f92844fee69ef98db6e68931adfaa9a0a0f8ce66
SHA2569da575dd2d5b7c1e9bab8b51a16cde457b3371c6dcdb0537356cf1497fa868f6
SHA512ae5e5686ae71edef53e71cd842cb6799e4383b9c238a5c361b81647efa128d2fedf3bf464997771b5b0c47a058fecae7829aeedcd098c80a11008581e5781429
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Filesize
281B
MD5a32c109297ed1ca155598cd295c26611
SHA1dc4a1fdbaad15ddd6fe22d3907c6b03727b71510
SHA25645bfe34aa3ef932f75101246eb53d032f5e7cf6d1f5b4e495334955a255f32e7
SHA51270372552dc86fe02ece9fe3b7721463f80be07a34126b2c75b41e30078cda9e90744c7d644df623f63d4fb985482e345b3351c4d3da873162152c67fc6ecc887
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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-1-5-21-2277218442-1199762539-2004043321-1000\83aa4cc77f591dfc2374580bbd95f6ba_4cab856c-2ae4-4cbd-8a04-329969ee64da
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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Filesize
9KB
MD5fee0122aedf23a9751ff45273333c428
SHA1c946203d5cbeb8d93c4a3cc8c6c61463a671b90d
SHA25662b7edb1c394fcc1dcf1d7fecc368ec15cd3038a84fe67978b9fecc6025d8e0e
SHA512d2b02c13143c4ff017be7668ba17281e061eaccf824fbd43da55b8bcffa54054b1449d32a970d4eda42b5e07ecea82fe16c76015b0c812c6bb7f8abb7c51a6fa
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Filesize
479KB
MD54d9a717a9d3bb25ed5fd107ec7795e3a
SHA1341ff4f74c807650c0a81ca0c2711caceddbed44
SHA256d4532757afd5774d841e830196ce2d5812f3443785f693d57e5c5d7d4ca3288a
SHA512ca6445a628a057895bd62028a2353a12b008e28b6bcf11d4277ffb18a51c5282bdd74864eb4412512387282dd43b2f5b915f4ec0df8e3f74ba2fab3905a197ce
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Filesize
916KB
MD5ed6475d7ebbbba360940904aa683e697
SHA15984a814730dfa0a4bcb4fec1040cb4c02ec1321
SHA256dcdec034dace11b4911bcbb12a2ac1f7c98571e46904f60d3e4000a7d0b7ae12
SHA512bc73513fef1c2a0c0dee3b481d3a1630d0593902ef986bd2a7a0a7cec74408a3f6fc15f2085f77fa44cea0bf98522c9c100eedd75d4ac456f3809ac5257a7b57