Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20250502-en -
resource tags
arch:x64arch:x86image:win10v2004-20250502-enlocale:en-usos:windows10-2004-x64system -
submitted
14/05/2025, 01:08
Static task
static1
General
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Target
2025-05-14_7156d74e37d18406412a4c718a915d5f_black-basta_mespinoza_ryuk.exe
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Size
2.7MB
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MD5
7156d74e37d18406412a4c718a915d5f
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SHA1
ca2ab2eb95407bb639f581ad88c13d1964cd8df5
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SHA256
437d2ca66a7994e6ad2b77810f04ee40b468533ef795ea2080364c4337a04d5b
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SHA512
8c42207773b035da88a953cda62baf6441d39136f84da33a75186014b9e5837c215ef17e0aad4fc5c9eaf51ebbd4aa2a83dd7e03b38e0dc543e529ec59d5880d
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SSDEEP
49152:+ZZS0t5dxRUXrrHlY5qrJ4sZp0lqEOzn755M7yMvSvjIep4:smNY5uz9JMvSvjN+
Malware Config
Extracted
phorphiex
http://185.156.72.39/
http://45.141.233.6/
TW3wpRJmZgC5WifuY468JBUCF3TEkzBT5H
qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r
rsXCXBf9SagxV8JfC12d8Bybk84oPdMNN9
AULzfBuUAPfCGAXoG5Vq14aP9s6fx3AH4Z
LdgchXq1sKbAaAJ1EXAPSRBzLb8jnTZstT
MF6iVGLmErYP9y4B9SwtzarDoy3ETSzYrh
4AtjkCVKbtEC3UEN77SQHuH9i1XkzNiRi5VCbA2XGsJh46nJSXfGQn4GjLuupCqmC57Lo7LvKmFUyRfhtJSvKvuw3h9ReKK
XryzFMFVpDUvU7famUGf214EXD3xNUSmQf
0x46e5cc402BC848ceC9f4d65c9B48aE7D7A24821B
15TssKwtjMtwy4vDLcLsQUZUD2B9f7eDjw85sBNVC5LRPPnC
1B8FF5WwJXNnjkVzxgPkAznVZ8uKb3Watx
ltc1qyfzdpxky7q2grz4zmqv5x0t0uwfuznl5u43c93
3PMiLynrGVZ8oEqvoqC4hXD67B1WoALR4pc
3GcQJkfHq7NWgBhhNKjz7uSfM6LzADpLvX
CSLKveRL2zqkbV2TqiFVuW6twtpqgFajoUZLAJQTTQk2
DLUzwvyxN1RrwjByUPPzVMdfxNRPGVRMMA
t1J6GCPCiHW1eRdjJgDDu6b1vSVmL5U7Twh
stars125f3mw4xd9htpsq4zj5w5ezm5gags37yxxh6mj
bnb1msyt0djx4ecspfxg5en0ye465kg3kmv9utzml2
bc1ppypcmu3684n648gyj62gjp2rw0xy7w3vwfamatlg29ajp4z52desafa0sr
bc1q9tgkga69k094n5v0pn7ewmpp2kn66sh9hu65gq
GBQJMXYXPRIWFMXIFJR35ZB7LRKMB4PHCIUAUFR3TKUL6RDBZVLZEUJ3
bitcoincash:qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r
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mutex
l9n7b5f2r
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user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36
Extracted
phorphiex
http://185.156.72.39
185.156.72.39
Signatures
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Phorphiex family
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Phorphiex payload 1 IoCs
resource yara_rule behavioral1/files/0x000c000000023eb2-10.dat family_phorphiex -
Xmrig family
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XMRig Miner payload 9 IoCs
resource yara_rule behavioral1/memory/1812-69-0x0000000140000000-0x0000000140835000-memory.dmp xmrig behavioral1/memory/1812-70-0x0000000140000000-0x0000000140835000-memory.dmp xmrig behavioral1/memory/1812-72-0x0000000140000000-0x0000000140835000-memory.dmp xmrig behavioral1/memory/1812-73-0x0000000140000000-0x0000000140835000-memory.dmp xmrig behavioral1/memory/1812-74-0x0000000140000000-0x0000000140835000-memory.dmp xmrig behavioral1/memory/1812-75-0x0000000140000000-0x0000000140835000-memory.dmp xmrig behavioral1/memory/1812-76-0x0000000140000000-0x0000000140835000-memory.dmp xmrig behavioral1/memory/1812-93-0x0000000140000000-0x0000000140835000-memory.dmp xmrig behavioral1/memory/1812-94-0x0000000140000000-0x0000000140835000-memory.dmp xmrig -
Creates new service(s) 2 TTPs
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Downloads MZ/PE file 3 IoCs
flow pid Process 37 4708 4E6E.exe 2 1184 2025-05-14_7156d74e37d18406412a4c718a915d5f_black-basta_mespinoza_ryuk.exe 65 2136 3265617960.exe -
Stops running service(s) 4 TTPs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-343936533-1262634978-1863872812-1000\Control Panel\International\Geo\Nation 431726696.exe -
Executes dropped EXE 11 IoCs
pid Process 4708 4E6E.exe 384 2474332063.exe 3612 syscrondvr.exe 4384 syscrondvr.exe 1088 431726696.exe 2136 3265617960.exe 3604 117279327.exe 812 301557736.exe 744 1501614979.exe 4848 sysmtdrav.exe 1152 2313517626.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\syscrondvr.exe" 2474332063.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 4848 set thread context of 2540 4848 sysmtdrav.exe 141 PID 4848 set thread context of 1812 4848 sysmtdrav.exe 142 -
resource yara_rule behavioral1/memory/1812-63-0x0000000140000000-0x0000000140835000-memory.dmp upx behavioral1/memory/1812-68-0x0000000140000000-0x0000000140835000-memory.dmp upx behavioral1/memory/1812-69-0x0000000140000000-0x0000000140835000-memory.dmp upx behavioral1/memory/1812-67-0x0000000140000000-0x0000000140835000-memory.dmp upx behavioral1/memory/1812-65-0x0000000140000000-0x0000000140835000-memory.dmp upx behavioral1/memory/1812-64-0x0000000140000000-0x0000000140835000-memory.dmp upx behavioral1/memory/1812-70-0x0000000140000000-0x0000000140835000-memory.dmp upx behavioral1/memory/1812-72-0x0000000140000000-0x0000000140835000-memory.dmp upx behavioral1/memory/1812-73-0x0000000140000000-0x0000000140835000-memory.dmp upx behavioral1/memory/1812-74-0x0000000140000000-0x0000000140835000-memory.dmp upx behavioral1/memory/1812-75-0x0000000140000000-0x0000000140835000-memory.dmp upx behavioral1/memory/1812-76-0x0000000140000000-0x0000000140835000-memory.dmp upx behavioral1/memory/1812-93-0x0000000140000000-0x0000000140835000-memory.dmp upx behavioral1/memory/1812-94-0x0000000140000000-0x0000000140835000-memory.dmp upx -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\syscrondvr.exe 2474332063.exe File opened for modification C:\Windows\syscrondvr.exe 2474332063.exe -
Launches sc.exe 5 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1392 sc.exe 2280 sc.exe 1840 sc.exe 2212 sc.exe 2840 sc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4E6E.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2474332063.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language syscrondvr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3265617960.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 117279327.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 301557736.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 1088 431726696.exe 744 1501614979.exe 744 1501614979.exe 744 1501614979.exe 744 1501614979.exe 4848 sysmtdrav.exe 4848 sysmtdrav.exe 1152 2313517626.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1088 431726696.exe Token: SeLockMemoryPrivilege 1812 dwm.exe Token: SeDebugPrivilege 1152 2313517626.exe -
Suspicious use of WriteProcessMemory 47 IoCs
description pid Process procid_target PID 1184 wrote to memory of 4708 1184 2025-05-14_7156d74e37d18406412a4c718a915d5f_black-basta_mespinoza_ryuk.exe 90 PID 1184 wrote to memory of 4708 1184 2025-05-14_7156d74e37d18406412a4c718a915d5f_black-basta_mespinoza_ryuk.exe 90 PID 1184 wrote to memory of 4708 1184 2025-05-14_7156d74e37d18406412a4c718a915d5f_black-basta_mespinoza_ryuk.exe 90 PID 4708 wrote to memory of 384 4708 4E6E.exe 105 PID 4708 wrote to memory of 384 4708 4E6E.exe 105 PID 4708 wrote to memory of 384 4708 4E6E.exe 105 PID 384 wrote to memory of 3612 384 2474332063.exe 107 PID 384 wrote to memory of 3612 384 2474332063.exe 107 PID 384 wrote to memory of 3612 384 2474332063.exe 107 PID 1636 wrote to memory of 4384 1636 cmd.exe 109 PID 1636 wrote to memory of 4384 1636 cmd.exe 109 PID 1636 wrote to memory of 4384 1636 cmd.exe 109 PID 3612 wrote to memory of 1088 3612 syscrondvr.exe 116 PID 3612 wrote to memory of 1088 3612 syscrondvr.exe 116 PID 1088 wrote to memory of 4400 1088 431726696.exe 117 PID 1088 wrote to memory of 4400 1088 431726696.exe 117 PID 4400 wrote to memory of 2280 4400 cmd.exe 119 PID 4400 wrote to memory of 2280 4400 cmd.exe 119 PID 4400 wrote to memory of 2768 4400 cmd.exe 120 PID 4400 wrote to memory of 2768 4400 cmd.exe 120 PID 3612 wrote to memory of 2136 3612 syscrondvr.exe 127 PID 3612 wrote to memory of 2136 3612 syscrondvr.exe 127 PID 3612 wrote to memory of 2136 3612 syscrondvr.exe 127 PID 3612 wrote to memory of 3604 3612 syscrondvr.exe 128 PID 3612 wrote to memory of 3604 3612 syscrondvr.exe 128 PID 3612 wrote to memory of 3604 3612 syscrondvr.exe 128 PID 3612 wrote to memory of 812 3612 syscrondvr.exe 130 PID 3612 wrote to memory of 812 3612 syscrondvr.exe 130 PID 3612 wrote to memory of 812 3612 syscrondvr.exe 130 PID 2136 wrote to memory of 744 2136 3265617960.exe 131 PID 2136 wrote to memory of 744 2136 3265617960.exe 131 PID 4848 wrote to memory of 2540 4848 sysmtdrav.exe 141 PID 4848 wrote to memory of 2540 4848 sysmtdrav.exe 141 PID 4848 wrote to memory of 2540 4848 sysmtdrav.exe 141 PID 4848 wrote to memory of 2540 4848 sysmtdrav.exe 141 PID 4848 wrote to memory of 2540 4848 sysmtdrav.exe 141 PID 4848 wrote to memory of 2540 4848 sysmtdrav.exe 141 PID 4848 wrote to memory of 2540 4848 sysmtdrav.exe 141 PID 4848 wrote to memory of 2540 4848 sysmtdrav.exe 141 PID 4848 wrote to memory of 2540 4848 sysmtdrav.exe 141 PID 4848 wrote to memory of 1812 4848 sysmtdrav.exe 142 PID 4848 wrote to memory of 1812 4848 sysmtdrav.exe 142 PID 4848 wrote to memory of 1812 4848 sysmtdrav.exe 142 PID 4848 wrote to memory of 1812 4848 sysmtdrav.exe 142 PID 4848 wrote to memory of 1812 4848 sysmtdrav.exe 142 PID 3612 wrote to memory of 1152 3612 syscrondvr.exe 144 PID 3612 wrote to memory of 1152 3612 syscrondvr.exe 144
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-05-14_7156d74e37d18406412a4c718a915d5f_black-basta_mespinoza_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2025-05-14_7156d74e37d18406412a4c718a915d5f_black-basta_mespinoza_ryuk.exe"1⤵
- Downloads MZ/PE file
- Suspicious use of WriteProcessMemory
PID:1184 -
C:\Users\Admin\AppData\Local\Temp\4E6E.exe"C:\Users\Admin\AppData\Local\Temp\4E6E.exe"2⤵
- Downloads MZ/PE file
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4708 -
C:\Users\Admin\AppData\Local\Temp\2474332063.exeC:\Users\Admin\AppData\Local\Temp\2474332063.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:384 -
C:\Windows\syscrondvr.exeC:\Windows\syscrondvr.exe4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3612 -
C:\Users\Admin\AppData\Local\Temp\431726696.exeC:\Users\Admin\AppData\Local\Temp\431726696.exe5⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1088 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c sc delete "DrvTcfgsvc" & reg delete "HKLM\SYSTEM\CurrentControlSet\Services\DrvTcfgsvc" /f6⤵
- Suspicious use of WriteProcessMemory
PID:4400 -
C:\Windows\system32\sc.exesc delete "DrvTcfgsvc"7⤵
- Launches sc.exe
PID:2280
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C:\Windows\system32\reg.exereg delete "HKLM\SYSTEM\CurrentControlSet\Services\DrvTcfgsvc" /f7⤵PID:2768
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C:\Users\Admin\AppData\Local\Temp\3265617960.exeC:\Users\Admin\AppData\Local\Temp\3265617960.exe5⤵
- Downloads MZ/PE file
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2136 -
C:\Users\Admin\AppData\Local\Temp\1501614979.exeC:\Users\Admin\AppData\Local\Temp\1501614979.exe6⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:744 -
C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe delete "MgrSrvdrvcs"7⤵
- Launches sc.exe
PID:1840
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe create "MgrSrvdrvcs" binpath= "C:\ProgramData\MgrSrvdrvcs\sysmtdrav.exe" start= "auto"7⤵
- Launches sc.exe
PID:2212
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop eventlog7⤵
- Launches sc.exe
PID:1392
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe start "MgrSrvdrvcs"7⤵
- Launches sc.exe
PID:2840
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C:\Users\Admin\AppData\Local\Temp\117279327.exeC:\Users\Admin\AppData\Local\Temp\117279327.exe5⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3604
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C:\Users\Admin\AppData\Local\Temp\301557736.exeC:\Users\Admin\AppData\Local\Temp\301557736.exe5⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:812
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C:\Users\Admin\AppData\Local\Temp\2313517626.exeC:\Users\Admin\AppData\Local\Temp\2313517626.exe5⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1152
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c C:\Windows\syscrondvr.exe1⤵
- Suspicious use of WriteProcessMemory
PID:1636 -
C:\Windows\syscrondvr.exeC:\Windows\syscrondvr.exe2⤵
- Executes dropped EXE
PID:4384
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C:\ProgramData\MgrSrvdrvcs\sysmtdrav.exeC:\ProgramData\MgrSrvdrvcs\sysmtdrav.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4848 -
C:\Windows\system32\conhost.exeC:\Windows\system32\conhost.exe2⤵PID:2540
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C:\Windows\system32\dwm.exedwm.exe2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1812
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Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
425B
MD5fff5cbccb6b31b40f834b8f4778a779a
SHA1899ed0377e89f1ed434cfeecc5bc0163ebdf0454
SHA256b8f7e4ed81764db56b9c09050f68c5a26af78d8a5e2443e75e0e1aa7cd2ccd76
SHA5121a188a14c667bc31d2651b220aa762be9cce4a75713217846fbe472a307c7bbc6e3c27617f75f489902a534d9184648d204d03ee956ac57b11aa90551248b8f9
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Filesize
8KB
MD55888518767cff5a7fc9ba764d6b06d4f
SHA1d15939198939d9df9d72447039cac323742bfe35
SHA256b84273e57227ea08fffe8f8659a72574854449c8e71a0932cbb84aef1adbc36a
SHA5120c427db932542d354967751f15e0a025b02b9002b74a2afaeaf3775281f66dd95cc71e678ada8fbb5c410a69c2c7e3a74d04cff3fdf2b9d7e30e0882373fa8b6
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Filesize
20KB
MD5680f371f2918acd9c01ebd9b2624e191
SHA12f6d2bc41d8ec3c2cdddeb894f8af082a51acfa9
SHA2565cf738edd0028523f23a77d7dc02087e6f99cf1110f5b51766bf79f00bff6d09
SHA512df251b794acf1ede346f0b01bca3fe576b0d36d127f33e4942e8093625a40d6b74ec26fc51111ebba705a1e9c37d923069de98d2658b416d1f7410846f873e40
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Filesize
2.5MB
MD50000638ebbfe0d620abe6ca32abb1b58
SHA1ae908681544765eb238e92b4ff7df26884692aa0
SHA256267ec6176c1111d9ffcf32fcfa6aa65917e64d1556dcbbd8989ee6bbebc2e72f
SHA5121522ed6c96d0a6699aaf5c1e6e3956742f26e8b46f2c795c0b6cfd3c02421aa6101134ded49c6b97e4085a789056cfb2d0fa09630c1c8796c7fc8d49aef66212
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Filesize
8KB
MD50cd27d2aa3bc58e4fc3c6639f4797e55
SHA11224947928cbdb0634d3aa7b374825552fe20fde
SHA256559dfe706ff2f2ce820748d25a91173972c89f6bb9510fba52f40815f018621c
SHA5129a595bfaa5ed85d895337a488969d75a00f33a6dd4e8759b95179428ea44922cccbef6189f08579ff806fe030e9833506c0aa8fedd1108622ffed3d0815d7d62
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Filesize
80KB
MD5f30fdbf3448f67cbc3566f31729cb7a6
SHA1fbf005c38f4a1c2e86817a2cb70406fc241f2c90
SHA25681783b558904becc5b86553faba9525070de5f43339766eb1c025bcfbfe1eef8
SHA512b428df2c8f8b4a002c8d7e1bfd9926e5cf95ee998688a2c360b8551e80be5bfbfa17ef210bea35f247da4a5c8a940fb5dba49f4786da9a74e5d001b771c8e9a8
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Filesize
51KB
MD5588e67994dd9e1084cbe989ee0d7eecd
SHA11a9e7f30d4b14b2054c6947ec7b25024dac5c50e
SHA256d6a96251f4bd75df5e68bbc2ce0cea37e0c5fadf1bace5b035245832930a4d2c
SHA512ad9f235b9c03c391d2cd10f1fc0d07d748b305a254dc310da0ad6e1b27160f65a811a1586a632c4f331c5660a2cb77dec8f06b163c6c226f6a2c39b0d13af25e
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Filesize
10KB
MD5c08cfa523c9377d3ae24fdb373b3ae13
SHA15289219770ad28b0fa4f0bdd91817f76bd6be222
SHA256326c70a965d4e642275c26cd913e268b1db89edd59b31a86ee600a7a9c664eb0
SHA512c91acd580ac832d5fed363a9a2b98b724a255d82e4fdda6eca62133feb5e60dd79a8caca36597a52bfbfa907a44208c48b15142e2e6020db219d14e970c3f57c
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Filesize
8KB
MD5c2252ee01d47f885c466fea46d77b337
SHA10e5e5e21dfdd47632831935e98d46fb4c4bf9168
SHA2567563681ee1464143363b1b7b6d59cef4c2a3b9a431c94feae043465cc7d23be0
SHA5128e0fdf90fc8c1c014b6c183dafa58ccf18251a3ea2e279c671a35ff702b60a5be3058c2eceac7a00e4b747796b1e1ed10a64abf95f26bd288980592db4e690d7
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Filesize
10KB
MD50ec46393976eb51f307cc11d80bae845
SHA169d4cb168f3a1b97c37a0ba1519d0adb1ff7e245
SHA256252171bdaa35d19f872c165e861b03d347a4afb85d7a03d02f8eae09d191038d
SHA512803351760e3c422e4825103235e13085004b3418b483a2c646aafaef62b7212a1ba4ed28469134a236c5b6121e6a748ba958bbae2dbe4afe9f9f45704928d31f