Analysis
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max time kernel
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max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
07-11-2024 03:33
Static task
static1
Behavioral task
behavioral1
Sample
f7f52f6bbffa02fffcea30d5806050b7702a9a78dcbeae83e28c45d81aa1c4c4.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
f7f52f6bbffa02fffcea30d5806050b7702a9a78dcbeae83e28c45d81aa1c4c4.exe
Resource
win10v2004-20241007-en
General
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Target
f7f52f6bbffa02fffcea30d5806050b7702a9a78dcbeae83e28c45d81aa1c4c4.exe
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Size
85.1MB
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MD5
8310bdf3ac82001830f75c15fba8cc15
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SHA1
581d729268cbd245d091633cc19692c4b5bfa0af
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SHA256
f7f52f6bbffa02fffcea30d5806050b7702a9a78dcbeae83e28c45d81aa1c4c4
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SHA512
ceab56619fa83baddcc3af7b781ce144ec53db919a6a80079b51e874d495e78349dc6882dad3f815c95274d8caca514765f34086f0b7acb8d42c616ca1714bf0
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SSDEEP
49152:kDSdqvdbLqSewjI63pCESb+7sQuJwomAiyHwjfUZo+JP0D73BB681fhojkIG1l0D:
Malware Config
Extracted
xworm
45.145.41.178:1111
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Install_directory
%AppData%
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install_file
Windows Defender Notification.exe
Signatures
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Detect Xworm Payload 2 IoCs
resource yara_rule behavioral2/files/0x000e000000023af9-29.dat family_xworm behavioral2/memory/60-38-0x0000000000D80000-0x0000000000D9A000-memory.dmp family_xworm -
Xworm family
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Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 4108 powershell.exe 1692 powershell.exe 4556 powershell.exe 3760 powershell.exe -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1140 netsh.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation f7f52f6bbffa02fffcea30d5806050b7702a9a78dcbeae83e28c45d81aa1c4c4.exe Key value queried \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation Windows Defender Notification.exe -
Drops startup file 4 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\0e75fed00639ea9e725255499292dcdd.exe Windows Defender Real Time Protection.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\0e75fed00639ea9e725255499292dcdd.exe Windows Defender Real Time Protection.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows Defender Notification.lnk Windows Defender Notification.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows Defender Notification.lnk Windows Defender Notification.exe -
Executes dropped EXE 6 IoCs
pid Process 3976 Windows Defender Real Time Protection.exe 4540 CraxsRat.exe 60 Windows Defender Notification.exe 3408 Windows Defender Notification.exe 804 Windows Defender Notification.exe 2924 Windows Defender Notification.exe -
Adds Run key to start application 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Defender Notification = "C:\\Users\\Admin\\AppData\\Roaming\\Windows Defender Notification.exe" Windows Defender Notification.exe Set value (str) \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0e75fed00639ea9e725255499292dcdd = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Windows Defender Real Time Protection.exe\" .." Windows Defender Real Time Protection.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\0e75fed00639ea9e725255499292dcdd = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Windows Defender Real Time Protection.exe\" .." Windows Defender Real Time Protection.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 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 f7f52f6bbffa02fffcea30d5806050b7702a9a78dcbeae83e28c45d81aa1c4c4.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Windows Defender Real Time Protection.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
System Time Discovery 1 TTPs 1 IoCs
Adversary may gather the system time and/or time zone settings from a local or remote system.
pid Process 1140 netsh.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4172 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 4556 powershell.exe 4556 powershell.exe 3760 powershell.exe 3760 powershell.exe 4108 powershell.exe 4108 powershell.exe 1692 powershell.exe 1692 powershell.exe 60 Windows Defender Notification.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 60 Windows Defender Notification.exe Token: SeDebugPrivilege 4556 powershell.exe Token: SeDebugPrivilege 3976 Windows Defender Real Time Protection.exe Token: SeDebugPrivilege 3760 powershell.exe Token: SeDebugPrivilege 4108 powershell.exe Token: SeDebugPrivilege 1692 powershell.exe Token: SeDebugPrivilege 60 Windows Defender Notification.exe Token: 33 3976 Windows Defender Real Time Protection.exe Token: SeIncBasePriorityPrivilege 3976 Windows Defender Real Time Protection.exe Token: 33 3976 Windows Defender Real Time Protection.exe Token: SeIncBasePriorityPrivilege 3976 Windows Defender Real Time Protection.exe Token: 33 3976 Windows Defender Real Time Protection.exe Token: SeIncBasePriorityPrivilege 3976 Windows Defender Real Time Protection.exe Token: SeDebugPrivilege 3408 Windows Defender Notification.exe Token: 33 3976 Windows Defender Real Time Protection.exe Token: SeIncBasePriorityPrivilege 3976 Windows Defender Real Time Protection.exe Token: 33 3976 Windows Defender Real Time Protection.exe Token: SeIncBasePriorityPrivilege 3976 Windows Defender Real Time Protection.exe Token: 33 3976 Windows Defender Real Time Protection.exe Token: SeIncBasePriorityPrivilege 3976 Windows Defender Real Time Protection.exe Token: 33 3976 Windows Defender Real Time Protection.exe Token: SeIncBasePriorityPrivilege 3976 Windows Defender Real Time Protection.exe Token: 33 3976 Windows Defender Real Time Protection.exe Token: SeIncBasePriorityPrivilege 3976 Windows Defender Real Time Protection.exe Token: 33 3976 Windows Defender Real Time Protection.exe Token: SeIncBasePriorityPrivilege 3976 Windows Defender Real Time Protection.exe Token: 33 3976 Windows Defender Real Time Protection.exe Token: SeIncBasePriorityPrivilege 3976 Windows Defender Real Time Protection.exe Token: 33 3976 Windows Defender Real Time Protection.exe Token: SeIncBasePriorityPrivilege 3976 Windows Defender Real Time Protection.exe Token: 33 3976 Windows Defender Real Time Protection.exe Token: SeIncBasePriorityPrivilege 3976 Windows Defender Real Time Protection.exe Token: 33 3976 Windows Defender Real Time Protection.exe Token: SeIncBasePriorityPrivilege 3976 Windows Defender Real Time Protection.exe Token: 33 3976 Windows Defender Real Time Protection.exe Token: SeIncBasePriorityPrivilege 3976 Windows Defender Real Time Protection.exe Token: SeDebugPrivilege 804 Windows Defender Notification.exe Token: 33 3976 Windows Defender Real Time Protection.exe Token: SeIncBasePriorityPrivilege 3976 Windows Defender Real Time Protection.exe Token: 33 3976 Windows Defender Real Time Protection.exe Token: SeIncBasePriorityPrivilege 3976 Windows Defender Real Time Protection.exe Token: 33 3976 Windows Defender Real Time Protection.exe Token: SeIncBasePriorityPrivilege 3976 Windows Defender Real Time Protection.exe Token: 33 3976 Windows Defender Real Time Protection.exe Token: SeIncBasePriorityPrivilege 3976 Windows Defender Real Time Protection.exe Token: 33 3976 Windows Defender Real Time Protection.exe Token: SeIncBasePriorityPrivilege 3976 Windows Defender Real Time Protection.exe Token: 33 3976 Windows Defender Real Time Protection.exe Token: SeIncBasePriorityPrivilege 3976 Windows Defender Real Time Protection.exe Token: 33 3976 Windows Defender Real Time Protection.exe Token: SeIncBasePriorityPrivilege 3976 Windows Defender Real Time Protection.exe Token: 33 3976 Windows Defender Real Time Protection.exe Token: SeIncBasePriorityPrivilege 3976 Windows Defender Real Time Protection.exe Token: 33 3976 Windows Defender Real Time Protection.exe Token: SeIncBasePriorityPrivilege 3976 Windows Defender Real Time Protection.exe Token: 33 3976 Windows Defender Real Time Protection.exe Token: SeIncBasePriorityPrivilege 3976 Windows Defender Real Time Protection.exe Token: 33 3976 Windows Defender Real Time Protection.exe Token: SeIncBasePriorityPrivilege 3976 Windows Defender Real Time Protection.exe Token: 33 3976 Windows Defender Real Time Protection.exe Token: SeIncBasePriorityPrivilege 3976 Windows Defender Real Time Protection.exe Token: SeDebugPrivilege 2924 Windows Defender Notification.exe Token: 33 3976 Windows Defender Real Time Protection.exe Token: SeIncBasePriorityPrivilege 3976 Windows Defender Real Time Protection.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 60 Windows Defender Notification.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 4352 wrote to memory of 3976 4352 f7f52f6bbffa02fffcea30d5806050b7702a9a78dcbeae83e28c45d81aa1c4c4.exe 86 PID 4352 wrote to memory of 3976 4352 f7f52f6bbffa02fffcea30d5806050b7702a9a78dcbeae83e28c45d81aa1c4c4.exe 86 PID 4352 wrote to memory of 3976 4352 f7f52f6bbffa02fffcea30d5806050b7702a9a78dcbeae83e28c45d81aa1c4c4.exe 86 PID 4352 wrote to memory of 4540 4352 f7f52f6bbffa02fffcea30d5806050b7702a9a78dcbeae83e28c45d81aa1c4c4.exe 89 PID 4352 wrote to memory of 4540 4352 f7f52f6bbffa02fffcea30d5806050b7702a9a78dcbeae83e28c45d81aa1c4c4.exe 89 PID 4352 wrote to memory of 60 4352 f7f52f6bbffa02fffcea30d5806050b7702a9a78dcbeae83e28c45d81aa1c4c4.exe 90 PID 4352 wrote to memory of 60 4352 f7f52f6bbffa02fffcea30d5806050b7702a9a78dcbeae83e28c45d81aa1c4c4.exe 90 PID 60 wrote to memory of 4556 60 Windows Defender Notification.exe 98 PID 60 wrote to memory of 4556 60 Windows Defender Notification.exe 98 PID 3976 wrote to memory of 1140 3976 Windows Defender Real Time Protection.exe 100 PID 3976 wrote to memory of 1140 3976 Windows Defender Real Time Protection.exe 100 PID 3976 wrote to memory of 1140 3976 Windows Defender Real Time Protection.exe 100 PID 60 wrote to memory of 3760 60 Windows Defender Notification.exe 104 PID 60 wrote to memory of 3760 60 Windows Defender Notification.exe 104 PID 60 wrote to memory of 4108 60 Windows Defender Notification.exe 107 PID 60 wrote to memory of 4108 60 Windows Defender Notification.exe 107 PID 60 wrote to memory of 1692 60 Windows Defender Notification.exe 109 PID 60 wrote to memory of 1692 60 Windows Defender Notification.exe 109 PID 60 wrote to memory of 4172 60 Windows Defender Notification.exe 111 PID 60 wrote to memory of 4172 60 Windows Defender Notification.exe 111 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\f7f52f6bbffa02fffcea30d5806050b7702a9a78dcbeae83e28c45d81aa1c4c4.exe"C:\Users\Admin\AppData\Local\Temp\f7f52f6bbffa02fffcea30d5806050b7702a9a78dcbeae83e28c45d81aa1c4c4.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4352 -
C:\Users\Admin\AppData\Local\Temp\Windows Defender Real Time Protection.exe"C:\Users\Admin\AppData\Local\Temp\Windows Defender Real Time Protection.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3976 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Windows Defender Real Time Protection.exe" "Windows Defender Real Time Protection.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
- System Time Discovery
PID:1140
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C:\Users\Admin\AppData\Local\Temp\CraxsRat.exe"C:\Users\Admin\AppData\Local\Temp\CraxsRat.exe"2⤵
- Executes dropped EXE
PID:4540
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C:\Users\Admin\AppData\Local\Temp\Windows Defender Notification.exe"C:\Users\Admin\AppData\Local\Temp\Windows Defender Notification.exe"2⤵
- Checks computer location settings
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:60 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Windows Defender Notification.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4556
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Windows Defender Notification.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3760
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Windows Defender Notification.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4108
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Windows Defender Notification.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1692
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Windows Defender Notification" /tr "C:\Users\Admin\AppData\Roaming\Windows Defender Notification.exe"3⤵
- Scheduled Task/Job: Scheduled Task
PID:4172
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C:\Users\Admin\AppData\Roaming\Windows Defender Notification.exe"C:\Users\Admin\AppData\Roaming\Windows Defender Notification.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3408
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C:\Users\Admin\AppData\Roaming\Windows Defender Notification.exe"C:\Users\Admin\AppData\Roaming\Windows Defender Notification.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:804
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C:\Users\Admin\AppData\Roaming\Windows Defender Notification.exe"C:\Users\Admin\AppData\Roaming\Windows Defender Notification.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2924
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
654B
MD52ff39f6c7249774be85fd60a8f9a245e
SHA1684ff36b31aedc1e587c8496c02722c6698c1c4e
SHA256e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
SHA5121d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1
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Filesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
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Filesize
944B
MD577d622bb1a5b250869a3238b9bc1402b
SHA1d47f4003c2554b9dfc4c16f22460b331886b191b
SHA256f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb
SHA512d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9
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Filesize
944B
MD52369bbb2c26bb259a7cb3d872be81aaf
SHA131f19466344ad63e22da94aa37c9f2d6866fd653
SHA25659bf4e18373186725669d90c11001949b0d639b1cb35b41593d986de75d7998f
SHA512c6a68d947dd81797567b1a4e09e0b135352e6282e6e3328114aaa508282defe4b63b1527ae219db931321ae18bcc1755cf9adaec51ed633cf4441cee59ec340b
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Filesize
944B
MD522310ad6749d8cc38284aa616efcd100
SHA1440ef4a0a53bfa7c83fe84326a1dff4326dcb515
SHA25655b1d8021c4eb4c3c0d75e3ed7a4eb30cd0123e3d69f32eeb596fe4ffec05abf
SHA5122ef08e2ee15bb86695fe0c10533014ffed76ececc6e579d299d3365fafb7627f53e32e600bb6d872b9f58aca94f8cb7e1e94cdfd14777527f7f0aa019d9c6def
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Filesize
75KB
MD58d6e86e6e799c75bd5123534bdbf411b
SHA19fc526e97077ed2a5e78371fdab5ab7ecf789368
SHA2567892c9f14967696e15b99b3eac66d65643357c9a4315f5e8210c8437c6617888
SHA5128cd6e706c3f36d7cb1d6eed3717fd3e96863b6fcf4ee3425f7b08823b8dc364a1de215b578310a3d1fddd98f9eb648ddeafd85d8a2feed399d46fba7dba09265
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Filesize
32KB
MD5fc15fb0cec248ea16a6eda92ab97b1f8
SHA101af6a8e81a92487ed29b9706ef8c86957666a45
SHA25673e71dc70f6daeebd9a257d0b0c6e67e87c6d50b27eb94af08d15f1afb6ed02c
SHA512525dbba870aeeb38edf40a31ab36230f11b481a63e14b441dc314f40da310d936dcac1b46f05aa93bbcf511acf1375aaaea5aa0438b399ba24812bddec93d730
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82