Analysis
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max time kernel
147s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
13-05-2024 19:03
Static task
static1
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win10v2004-20240508-en
General
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Target
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
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Size
224KB
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MD5
5c7fb0927db37372da25f270708103a2
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SHA1
120ed9279d85cbfa56e5b7779ffa7162074f7a29
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SHA256
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844
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SHA512
a15f97fad744ccf5f620e5aabb81f48507327b898a9aa4287051464019e0f89224c484e9691812e166471af9beaddcfc3deb2ba878658761f4800663beef7206
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SSDEEP
3072:Y059femWRwTs/dbelj0X8/j84pcRXPlU3Upt3or4H84lK8PtpLzLsR/EfcZ:+5RwTs/dSXj84mRXPemxdBlPvLzLeZ
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\!Please Read Me!.txt
wannacry
15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Drops startup file 2 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD65E4.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD65FA.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 4408 !WannaDecryptor!.exe 2268 !WannaDecryptor!.exe 4664 !WannaDecryptor!.exe 2868 !WannaDecryptor!.exe -
Reads user/profile data of web browsers 2 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
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft Update Task Scheduler = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe\" /r" be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
!WannaDecryptor!.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\!WannaCryptor!.bmp" !WannaDecryptor!.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Kills process with taskkill 4 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exepid process 2300 taskkill.exe 2200 taskkill.exe 2052 taskkill.exe 2576 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 2576 taskkill.exe Token: SeDebugPrivilege 2052 taskkill.exe Token: SeDebugPrivilege 2300 taskkill.exe Token: SeDebugPrivilege 2200 taskkill.exe Token: SeIncreaseQuotaPrivilege 3668 WMIC.exe Token: SeSecurityPrivilege 3668 WMIC.exe Token: SeTakeOwnershipPrivilege 3668 WMIC.exe Token: SeLoadDriverPrivilege 3668 WMIC.exe Token: SeSystemProfilePrivilege 3668 WMIC.exe Token: SeSystemtimePrivilege 3668 WMIC.exe Token: SeProfSingleProcessPrivilege 3668 WMIC.exe Token: SeIncBasePriorityPrivilege 3668 WMIC.exe Token: SeCreatePagefilePrivilege 3668 WMIC.exe Token: SeBackupPrivilege 3668 WMIC.exe Token: SeRestorePrivilege 3668 WMIC.exe Token: SeShutdownPrivilege 3668 WMIC.exe Token: SeDebugPrivilege 3668 WMIC.exe Token: SeSystemEnvironmentPrivilege 3668 WMIC.exe Token: SeRemoteShutdownPrivilege 3668 WMIC.exe Token: SeUndockPrivilege 3668 WMIC.exe Token: SeManageVolumePrivilege 3668 WMIC.exe Token: 33 3668 WMIC.exe Token: 34 3668 WMIC.exe Token: 35 3668 WMIC.exe Token: 36 3668 WMIC.exe Token: SeIncreaseQuotaPrivilege 3668 WMIC.exe Token: SeSecurityPrivilege 3668 WMIC.exe Token: SeTakeOwnershipPrivilege 3668 WMIC.exe Token: SeLoadDriverPrivilege 3668 WMIC.exe Token: SeSystemProfilePrivilege 3668 WMIC.exe Token: SeSystemtimePrivilege 3668 WMIC.exe Token: SeProfSingleProcessPrivilege 3668 WMIC.exe Token: SeIncBasePriorityPrivilege 3668 WMIC.exe Token: SeCreatePagefilePrivilege 3668 WMIC.exe Token: SeBackupPrivilege 3668 WMIC.exe Token: SeRestorePrivilege 3668 WMIC.exe Token: SeShutdownPrivilege 3668 WMIC.exe Token: SeDebugPrivilege 3668 WMIC.exe Token: SeSystemEnvironmentPrivilege 3668 WMIC.exe Token: SeRemoteShutdownPrivilege 3668 WMIC.exe Token: SeUndockPrivilege 3668 WMIC.exe Token: SeManageVolumePrivilege 3668 WMIC.exe Token: 33 3668 WMIC.exe Token: 34 3668 WMIC.exe Token: 35 3668 WMIC.exe Token: 36 3668 WMIC.exe Token: SeBackupPrivilege 3652 vssvc.exe Token: SeRestorePrivilege 3652 vssvc.exe Token: SeAuditPrivilege 3652 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 4408 !WannaDecryptor!.exe 4408 !WannaDecryptor!.exe 2268 !WannaDecryptor!.exe 2268 !WannaDecryptor!.exe 4664 !WannaDecryptor!.exe 4664 !WannaDecryptor!.exe 2868 !WannaDecryptor!.exe 2868 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 3112 wrote to memory of 3372 3112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3112 wrote to memory of 3372 3112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3112 wrote to memory of 3372 3112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3372 wrote to memory of 2488 3372 cmd.exe cscript.exe PID 3372 wrote to memory of 2488 3372 cmd.exe cscript.exe PID 3372 wrote to memory of 2488 3372 cmd.exe cscript.exe PID 3112 wrote to memory of 4408 3112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3112 wrote to memory of 4408 3112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3112 wrote to memory of 4408 3112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3112 wrote to memory of 2200 3112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3112 wrote to memory of 2200 3112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3112 wrote to memory of 2200 3112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3112 wrote to memory of 2052 3112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3112 wrote to memory of 2052 3112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3112 wrote to memory of 2052 3112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3112 wrote to memory of 2576 3112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3112 wrote to memory of 2576 3112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3112 wrote to memory of 2576 3112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3112 wrote to memory of 2300 3112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3112 wrote to memory of 2300 3112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3112 wrote to memory of 2300 3112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3112 wrote to memory of 2268 3112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3112 wrote to memory of 2268 3112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3112 wrote to memory of 2268 3112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3112 wrote to memory of 2944 3112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3112 wrote to memory of 2944 3112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3112 wrote to memory of 2944 3112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2944 wrote to memory of 4664 2944 cmd.exe !WannaDecryptor!.exe PID 2944 wrote to memory of 4664 2944 cmd.exe !WannaDecryptor!.exe PID 2944 wrote to memory of 4664 2944 cmd.exe !WannaDecryptor!.exe PID 3112 wrote to memory of 2868 3112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3112 wrote to memory of 2868 3112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3112 wrote to memory of 2868 3112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4664 wrote to memory of 5064 4664 !WannaDecryptor!.exe cmd.exe PID 4664 wrote to memory of 5064 4664 !WannaDecryptor!.exe cmd.exe PID 4664 wrote to memory of 5064 4664 !WannaDecryptor!.exe cmd.exe PID 5064 wrote to memory of 3668 5064 cmd.exe WMIC.exe PID 5064 wrote to memory of 3668 5064 cmd.exe WMIC.exe PID 5064 wrote to memory of 3668 5064 cmd.exe WMIC.exe -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe"C:\Users\Admin\AppData\Local\Temp\be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe"1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3112 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 306761715627015.bat2⤵
- Suspicious use of WriteProcessMemory
PID:3372 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:2488
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4408 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2200 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2052 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2576 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2300 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2268 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:2944 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4664 -
C:\Windows\SysWOW64\cmd.execmd.exe /c vssadmin delete shadows /all /quiet & wmic shadowcopy delete & bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no & wbadmin delete catalog -quiet4⤵
- Suspicious use of WriteProcessMemory
PID:5064 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3668 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:2868
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3652
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\!Please Read Me!.txtFilesize
797B
MD5afa18cf4aa2660392111763fb93a8c3d
SHA1c219a3654a5f41ce535a09f2a188a464c3f5baf5
SHA256227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
SHA5124161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe.lnkFilesize
1KB
MD516255af694908c27235436060f576063
SHA13aa1302880de0fa3ac3ae51342e5b9d5174783ca
SHA256d2595cd4d2eb37f15abd9286ecfc8ed06b96b124909007d3e26092597f7a4e19
SHA512b0bd2222fca5307cc6661067536e4426e323de92e43e2a7fc392013945e0750d72100062f337727cd482d3122fb7e770ef185bcf58ec8796738699259855a6fe
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5c6dbde85851e13b027df6f4ef0d6856a
SHA1e01418fff5569666f537a30518060b6ede88e859
SHA25668936b9b8fcae756635ca4e66333b8b59881819e82eec1a189e16fbf4757468a
SHA512540f38ed5f89c81d05516203f282dd858bd2b390d9542472ec9217ec1ac22f33a7f90ca3c0ff128f0dbdd30211a1f2351fd453bb8c31d228583dc3ffb7440a7c
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5e60c930ea72e5cceb189c2d4b5170d46
SHA1e0e54667ee8d61f74923f26091792b066817f48f
SHA2563e32eea7bc932eeaf188fac1796f391b4e856565ce6c080480232bbf447bef4c
SHA512c81a9ed8023d97e3bbd2c22b953521e72107c7dd22582bc6144d04660a6da00cff4f24c190ecdc4927d0772d969adabbefe0e203d3dce17acec3e6c46946d988
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5ebd210906f2b8f7d98551044e0c471a7
SHA16a629decf8917fdc5b035c0a1fd4cb5027c246e8
SHA256903e02036ea3d1a3c1a05a6a111900343340e2526d8578d8849c8ccc0bdfebb2
SHA512fea2979c0186eb115b259953add7e9c1786b98859684d555e7e4186cf38da8b27165036f71014afe19073816d5b20778c8f030b28d3d67befef616dc4d912c98
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C:\Users\Admin\AppData\Local\Temp\306761715627015.batFilesize
336B
MD53540e056349c6972905dc9706cd49418
SHA1492c20442d34d45a6d6790c720349b11ec591cde
SHA25673872a89440a2cba9d22bf4961c3d499ea2c72979c30c455f942374292fedadc
SHA512c949d147100aef59e382c03abf7b162ae62a4d43456eebd730fbedcf5f95f5e1a24f6e349690d52d75331878a6ee8f6b88a7162ee9cf2a49e142196b12d0133c
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C:\Users\Admin\AppData\Local\Temp\c.vbsFilesize
219B
MD55f6d40ca3c34b470113ed04d06a88ff4
SHA150629e7211ae43e32060686d6be17ebd492fd7aa
SHA2560fb5039a2fe7e90cdf3f22140d7f2103f94689b15609efe0edcc8430dd772fc1
SHA5124d4aa1abd2c9183202fd3f0a65b37f07ee0166ba6561f094c13c8ea59752c7bdd960e37c49583746d4464bc3b1dc0b63a1fe36a37ce7e5709cd76ed433befe35
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C:\Users\Admin\AppData\Local\Temp\c.wryFilesize
628B
MD5d16a6f61063e5aa294c35370eb14f59f
SHA16a55a0e6a3a9d6a093484131ab1e4c483f4f959e
SHA25612631fc7cc4ac0f9807886a601f557cbde9784fc4c6bd13ecc8eb89e0066f7b4
SHA512fac8f6340a8b982d775f7e8cfcb0082beae8a6f1dd2f38f33ba7d7f720aaf1cce7bafc68f662a7101e7a04beb13a3c85b8f18b654e2ef12421243cfbfff2bf09
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C:\Users\Admin\AppData\Local\Temp\m.wryFilesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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C:\Users\Admin\AppData\Local\Temp\u.wryFilesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5
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memory/3112-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB