Analysis
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max time kernel
67s -
max time network
35s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
08-03-2023 21:06
Static task
static1
Behavioral task
behavioral1
Sample
lpo0803023.js
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
lpo0803023.js
Resource
win10v2004-20230220-en
General
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Target
lpo0803023.js
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Size
944KB
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MD5
9468e52b7db9abd87f4ad0ea4d6b7094
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SHA1
c73c502a0f2dddf1f7c609ecf799cb84e88c9538
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SHA256
85214124920f091cb6a7c4ec3f7a3a1ee6fda2bca74024d27bf0195659d4e3c5
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SHA512
88209dbab8a792f342c77b6badbae14c533f0ef1e9c1a6e09f336cf85a2b0de75ce54e119c75f1ca065d0d7c1647ee9b972aef91e081392f3c6ed3b150a54c85
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SSDEEP
12288:NquDUbRxMdDpPwIVED6pqLooV6Ffpz9As6h1e1+CexLMEfvPFHF7Bp1VsdTSFRe0:NuRxMbPREDv0m6FfpZoh7C4LHvBHCcx1
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 1 IoCs
Processes:
java.exepid process 1704 java.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
wscript.exejavaw.exejava.execmd.execmd.exedescription pid process target process PID 1344 wrote to memory of 1784 1344 wscript.exe javaw.exe PID 1344 wrote to memory of 1784 1344 wscript.exe javaw.exe PID 1344 wrote to memory of 1784 1344 wscript.exe javaw.exe PID 1784 wrote to memory of 1704 1784 javaw.exe java.exe PID 1784 wrote to memory of 1704 1784 javaw.exe java.exe PID 1784 wrote to memory of 1704 1784 javaw.exe java.exe PID 1704 wrote to memory of 676 1704 java.exe cmd.exe PID 1704 wrote to memory of 676 1704 java.exe cmd.exe PID 1704 wrote to memory of 676 1704 java.exe cmd.exe PID 676 wrote to memory of 1524 676 cmd.exe cscript.exe PID 676 wrote to memory of 1524 676 cmd.exe cscript.exe PID 676 wrote to memory of 1524 676 cmd.exe cscript.exe PID 1704 wrote to memory of 1372 1704 java.exe cmd.exe PID 1704 wrote to memory of 1372 1704 java.exe cmd.exe PID 1704 wrote to memory of 1372 1704 java.exe cmd.exe PID 1372 wrote to memory of 1492 1372 cmd.exe cscript.exe PID 1372 wrote to memory of 1492 1372 cmd.exe cscript.exe PID 1372 wrote to memory of 1492 1372 cmd.exe cscript.exe PID 1704 wrote to memory of 1608 1704 java.exe xcopy.exe PID 1704 wrote to memory of 1608 1704 java.exe xcopy.exe PID 1704 wrote to memory of 1608 1704 java.exe xcopy.exe
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\lpo0803023.js1⤵
- Suspicious use of WriteProcessMemory
PID:1344 -
C:\Program Files\Java\jre7\bin\javaw.exe"C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\tuyokhcud.txt"2⤵
- Suspicious use of WriteProcessMemory
PID:1784 -
C:\Program Files\Java\jre7\bin\java.exe"C:\Program Files\Java\jre7\bin\java.exe" -jar C:\Users\Admin\AppData\Local\Temp\_0.86939290583082148154547691036750972.class3⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1704 -
C:\Windows\system32\cmd.execmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive3193823239705038880.vbs4⤵
- Suspicious use of WriteProcessMemory
PID:676 -
C:\Windows\system32\cscript.execscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive3193823239705038880.vbs5⤵PID:1524
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C:\Windows\system32\cmd.execmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive2584849414126907478.vbs4⤵
- Suspicious use of WriteProcessMemory
PID:1372 -
C:\Windows\system32\cscript.execscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive2584849414126907478.vbs5⤵PID:1492
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C:\Windows\system32\xcopy.exexcopy "C:\Program Files\Java\jre7" "C:\Users\Admin\AppData\Roaming\Oracle\" /e4⤵PID:1608
Network
MITRE ATT&CK Enterprise v6
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
241KB
MD5781fb531354d6f291f1ccab48da6d39f
SHA19ce4518ebcb5be6d1f0b5477fa00c26860fe9a68
SHA25697d585b6aff62fb4e43e7e6a5f816dcd7a14be11a88b109a9ba9e8cd4c456eb9
SHA5123e6630f5feb4a3eb1dac7e9125ce14b1a2a45d7415cf44cea42bc51b2a9aa37169ee4a4c36c888c8f2696e7d6e298e2ad7b2f4c22868aaa5948210eb7db220d8
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3430344531-3702557399-3004411149-1000\83aa4cc77f591dfc2374580bbd95f6ba_292417f2-0fed-4ad3-b090-e0c692cff81f
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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Filesize
809KB
MD5df3ca8d16bded6a54977b30e66864d33
SHA1b7b9349b33230c5b80886f5c1f0a42848661c883
SHA2561d1a1ae540ba132f998d60d3622f0297b6e86ae399332c3b47462d7c0f560a36
SHA512951b2f67c2f2ef1cfcd4b43bd3ee0e486cdba7d04b4ea7259df0e4b3112e360aefb8dcd058becccacd99aca7f56d4f9bd211075bd16b28c2661d562e50b423f0
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Filesize
3KB
MD50547e7c8dade7157d58f6bf5e74bcce7
SHA1f1ef0a100276e7d3adf38b9fbb802d12f4bb8d9f
SHA2566953ed5729acafb594c9e81b970f946848453abc6033d4b5519870b58c72abac
SHA512b213982a0935465b8d468822912169457b60a55382eba7ee39c62be953512a2d524aa6d01953d05dab981b72c417e62bcdff661bac99534e54778f906ad44d6b
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Filesize
479KB
MD5b24e91a84b545272a1db14b7c51454a2
SHA1c60cadf28effbb13c04a7ebc7a06ba0bf39d3cff
SHA2566e6ce859a4d92637ee15aece3aa00de9737b6fb8433ff1e299c53b2fe08a2f49
SHA5129fca84202592bc0be3df8ff14a30c54e778fd6ab727e6cc59525aa66a3a545df076881e5fb6e2517fda51998188321953c2a28a91659e2f79cf9e1e79a8b173a