Analysis
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max time kernel
150s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
10-02-2025 14:10
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe
Resource
win10v2004-20250207-en
General
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Target
JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe
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Size
408KB
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MD5
dc35c41440704458ed7a60c0ac026f62
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SHA1
28459a2a602943fb5f44cb7424061c390fefb502
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SHA256
4d4e7a37101a9fa0810a3ff324a87c302a1328dcaeae6a9c637752e871a1a678
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SHA512
f522adf75f7915caf3a87551f4704303ddde487da920c6a2a762d4fc821f5c6749b2496cdd5b5193252eb97f01cdcc3dc77584be90e6833e32f2410b955f8081
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SSDEEP
6144:v7l/Mts0sXrneChRWcSUEC8ctAom2C+do4ON1ZA0bYQpBuLGlY+6iPHS/ei:hMSeChscpEBctA2Q11aPQ3/6/ei
Malware Config
Signatures
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ISR Stealer
ISR Stealer is a modified version of Hackhound Stealer written in visual basic.
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ISR Stealer payload 5 IoCs
resource yara_rule behavioral1/memory/1776-383-0x0000000000400000-0x0000000000459000-memory.dmp family_isrstealer behavioral1/files/0x000d000000012263-387.dat family_isrstealer behavioral1/memory/1456-804-0x0000000000400000-0x0000000000459000-memory.dmp family_isrstealer behavioral1/memory/1456-815-0x0000000000400000-0x0000000000459000-memory.dmp family_isrstealer behavioral1/memory/1776-818-0x0000000000400000-0x0000000000459000-memory.dmp family_isrstealer -
Isrstealer family
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Executes dropped EXE 6 IoCs
pid Process 2924 YTEYU.exe 1452 YTEYU.exe 2788 YTEYU.exe 2608 intelgfx.exe 1456 intelgfx.exe 1884 intelgfx.exe -
Loads dropped DLL 12 IoCs
pid Process 1776 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 1776 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 1776 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 1776 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 1776 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 2924 YTEYU.exe 1452 YTEYU.exe 2604 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 2604 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 2604 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 2604 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 2604 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\invidiadriver = "C:\\Users\\Admin\\AppData\\Roaming\\system32\\intelgfx.exe" reg.exe -
Suspicious use of SetThreadContext 6 IoCs
description pid Process procid_target PID 3032 set thread context of 1776 3032 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 30 PID 3032 set thread context of 2604 3032 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 31 PID 2924 set thread context of 1452 2924 YTEYU.exe 33 PID 1452 set thread context of 2788 1452 YTEYU.exe 34 PID 2608 set thread context of 1456 2608 intelgfx.exe 40 PID 2608 set thread context of 1884 2608 intelgfx.exe 41 -
resource yara_rule behavioral1/memory/2604-384-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1776-383-0x0000000000400000-0x0000000000459000-memory.dmp upx behavioral1/memory/1884-805-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1456-804-0x0000000000400000-0x0000000000459000-memory.dmp upx behavioral1/memory/2604-811-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1456-815-0x0000000000400000-0x0000000000459000-memory.dmp upx behavioral1/memory/1776-818-0x0000000000400000-0x0000000000459000-memory.dmp upx behavioral1/memory/1884-822-0x0000000000400000-0x000000000040B000-memory.dmp upx -
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 11 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 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language YTEYU.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language intelgfx.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language YTEYU.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language YTEYU.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language intelgfx.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language intelgfx.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2924 YTEYU.exe 2924 YTEYU.exe 2924 YTEYU.exe 2924 YTEYU.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe Token: SeDebugPrivilege 1884 intelgfx.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
pid Process 3032 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 2604 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 1776 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 2924 YTEYU.exe 2608 intelgfx.exe 1456 intelgfx.exe 1884 intelgfx.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3032 wrote to memory of 1776 3032 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 30 PID 3032 wrote to memory of 1776 3032 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 30 PID 3032 wrote to memory of 1776 3032 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 30 PID 3032 wrote to memory of 1776 3032 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 30 PID 3032 wrote to memory of 1776 3032 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 30 PID 3032 wrote to memory of 1776 3032 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 30 PID 3032 wrote to memory of 1776 3032 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 30 PID 3032 wrote to memory of 1776 3032 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 30 PID 3032 wrote to memory of 2604 3032 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 31 PID 3032 wrote to memory of 2604 3032 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 31 PID 3032 wrote to memory of 2604 3032 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 31 PID 3032 wrote to memory of 2604 3032 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 31 PID 3032 wrote to memory of 2604 3032 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 31 PID 3032 wrote to memory of 2604 3032 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 31 PID 3032 wrote to memory of 2604 3032 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 31 PID 3032 wrote to memory of 2604 3032 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 31 PID 1776 wrote to memory of 2924 1776 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 32 PID 1776 wrote to memory of 2924 1776 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 32 PID 1776 wrote to memory of 2924 1776 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 32 PID 1776 wrote to memory of 2924 1776 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 32 PID 2924 wrote to memory of 1452 2924 YTEYU.exe 33 PID 2924 wrote to memory of 1452 2924 YTEYU.exe 33 PID 2924 wrote to memory of 1452 2924 YTEYU.exe 33 PID 2924 wrote to memory of 1452 2924 YTEYU.exe 33 PID 2924 wrote to memory of 1452 2924 YTEYU.exe 33 PID 2924 wrote to memory of 1452 2924 YTEYU.exe 33 PID 2924 wrote to memory of 1452 2924 YTEYU.exe 33 PID 2924 wrote to memory of 1452 2924 YTEYU.exe 33 PID 2924 wrote to memory of 1452 2924 YTEYU.exe 33 PID 2924 wrote to memory of 1452 2924 YTEYU.exe 33 PID 2924 wrote to memory of 1452 2924 YTEYU.exe 33 PID 2924 wrote to memory of 1452 2924 YTEYU.exe 33 PID 1452 wrote to memory of 2788 1452 YTEYU.exe 34 PID 1452 wrote to memory of 2788 1452 YTEYU.exe 34 PID 1452 wrote to memory of 2788 1452 YTEYU.exe 34 PID 1452 wrote to memory of 2788 1452 YTEYU.exe 34 PID 1452 wrote to memory of 2788 1452 YTEYU.exe 34 PID 1452 wrote to memory of 2788 1452 YTEYU.exe 34 PID 2604 wrote to memory of 3024 2604 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 35 PID 2604 wrote to memory of 3024 2604 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 35 PID 2604 wrote to memory of 3024 2604 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 35 PID 2604 wrote to memory of 3024 2604 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 35 PID 3024 wrote to memory of 432 3024 cmd.exe 37 PID 3024 wrote to memory of 432 3024 cmd.exe 37 PID 3024 wrote to memory of 432 3024 cmd.exe 37 PID 3024 wrote to memory of 432 3024 cmd.exe 37 PID 2604 wrote to memory of 2608 2604 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 38 PID 2604 wrote to memory of 2608 2604 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 38 PID 2604 wrote to memory of 2608 2604 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 38 PID 2604 wrote to memory of 2608 2604 JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe 38 PID 2608 wrote to memory of 1456 2608 intelgfx.exe 40 PID 2608 wrote to memory of 1456 2608 intelgfx.exe 40 PID 2608 wrote to memory of 1456 2608 intelgfx.exe 40 PID 2608 wrote to memory of 1456 2608 intelgfx.exe 40 PID 2608 wrote to memory of 1456 2608 intelgfx.exe 40 PID 2608 wrote to memory of 1456 2608 intelgfx.exe 40 PID 2608 wrote to memory of 1456 2608 intelgfx.exe 40 PID 2608 wrote to memory of 1456 2608 intelgfx.exe 40 PID 2608 wrote to memory of 1884 2608 intelgfx.exe 41 PID 2608 wrote to memory of 1884 2608 intelgfx.exe 41 PID 2608 wrote to memory of 1884 2608 intelgfx.exe 41 PID 2608 wrote to memory of 1884 2608 intelgfx.exe 41 PID 2608 wrote to memory of 1884 2608 intelgfx.exe 41 PID 2608 wrote to memory of 1884 2608 intelgfx.exe 41
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3032 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1776 -
C:\Users\Admin\AppData\Local\Temp\YTEYU.exe"C:\Users\Admin\AppData\Local\Temp\YTEYU.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2924 -
C:\Users\Admin\AppData\Local\Temp\YTEYU.exe"C:\Users\Admin\AppData\Local\Temp\YTEYU.exe"4⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1452 -
C:\Users\Admin\AppData\Local\Temp\YTEYU.exe"C:\Users\Admin\AppData\Local\Temp\YTEYU.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data.dmp5⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2788
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dc35c41440704458ed7a60c0ac026f62.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2604 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\HGRON.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3024 -
C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "invidiadriver" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\system32\intelgfx.exe" /f4⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:432
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C:\Users\Admin\AppData\Roaming\system32\intelgfx.exe"C:\Users\Admin\AppData\Roaming\system32\intelgfx.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2608 -
C:\Users\Admin\AppData\Roaming\system32\intelgfx.exe"C:\Users\Admin\AppData\Roaming\system32\intelgfx.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:1456
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C:\Users\Admin\AppData\Roaming\system32\intelgfx.exe"C:\Users\Admin\AppData\Roaming\system32\intelgfx.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1884
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
152B
MD55f88391307396bd801e5d983e4f96ac4
SHA1d426f3dad0cd9f13287b263028ad4587f2b1d9c8
SHA2562d6e24c71a3081416896765d09901744dbd541553af2d831f2a17f6f38ac4dec
SHA5120cc65532264fe5541dc75016c080004c111fecfb97f2f0063984a89089d49ea07a1bf6c1fa9b835ad32cfa986bac82d171351c6cf2163598199588aefdb402f8
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Filesize
320KB
MD5ccc2260269cb43ddadda9444e3d112f7
SHA1ddab46acc12d7c60a15fa363f88030f1dd539fcb
SHA2568ca1bd039407381c33fb7ab570b6e95b0ce64b0d5ef64a1968f9b55647cc1911
SHA512787d0b4f5d89b840a4917c78e46f963c8c96a96ec005b45d085222ef307c2a76f074c4a65ca033b038e1b7d1419c7cd3c5c5f3075c3ea24e546c68bdd7643fde
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Filesize
408KB
MD50cc7fe116fb8d93c2c8b76b79926721a
SHA1264fb9309a0dc80e5a2aca6f8c8a13d7f73ce8e1
SHA256b6d25485cf3c524bc47d035ad15a08295f3374e2ab52ff0b41e64fa9a3e67509
SHA512c4ee5f35f86b7360fc95f5f474c345b81e3aae3bd4d8c1713b5b0b23b0b00aa5d61e6bf2f688bb0c192cc5c182021eff72716b84e701b9ab092c84022c03c4a9