Analysis
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max time kernel
148s -
max time network
98s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
11-05-2024 03:09
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\~SD6C01.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD6C18.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 4512 !WannaDecryptor!.exe 2976 !WannaDecryptor!.exe 852 !WannaDecryptor!.exe 968 !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 208 taskkill.exe 3372 taskkill.exe 1300 taskkill.exe 4492 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 208 taskkill.exe Token: SeDebugPrivilege 4492 taskkill.exe Token: SeDebugPrivilege 1300 taskkill.exe Token: SeDebugPrivilege 3372 taskkill.exe Token: SeIncreaseQuotaPrivilege 1044 WMIC.exe Token: SeSecurityPrivilege 1044 WMIC.exe Token: SeTakeOwnershipPrivilege 1044 WMIC.exe Token: SeLoadDriverPrivilege 1044 WMIC.exe Token: SeSystemProfilePrivilege 1044 WMIC.exe Token: SeSystemtimePrivilege 1044 WMIC.exe Token: SeProfSingleProcessPrivilege 1044 WMIC.exe Token: SeIncBasePriorityPrivilege 1044 WMIC.exe Token: SeCreatePagefilePrivilege 1044 WMIC.exe Token: SeBackupPrivilege 1044 WMIC.exe Token: SeRestorePrivilege 1044 WMIC.exe Token: SeShutdownPrivilege 1044 WMIC.exe Token: SeDebugPrivilege 1044 WMIC.exe Token: SeSystemEnvironmentPrivilege 1044 WMIC.exe Token: SeRemoteShutdownPrivilege 1044 WMIC.exe Token: SeUndockPrivilege 1044 WMIC.exe Token: SeManageVolumePrivilege 1044 WMIC.exe Token: 33 1044 WMIC.exe Token: 34 1044 WMIC.exe Token: 35 1044 WMIC.exe Token: 36 1044 WMIC.exe Token: SeIncreaseQuotaPrivilege 1044 WMIC.exe Token: SeSecurityPrivilege 1044 WMIC.exe Token: SeTakeOwnershipPrivilege 1044 WMIC.exe Token: SeLoadDriverPrivilege 1044 WMIC.exe Token: SeSystemProfilePrivilege 1044 WMIC.exe Token: SeSystemtimePrivilege 1044 WMIC.exe Token: SeProfSingleProcessPrivilege 1044 WMIC.exe Token: SeIncBasePriorityPrivilege 1044 WMIC.exe Token: SeCreatePagefilePrivilege 1044 WMIC.exe Token: SeBackupPrivilege 1044 WMIC.exe Token: SeRestorePrivilege 1044 WMIC.exe Token: SeShutdownPrivilege 1044 WMIC.exe Token: SeDebugPrivilege 1044 WMIC.exe Token: SeSystemEnvironmentPrivilege 1044 WMIC.exe Token: SeRemoteShutdownPrivilege 1044 WMIC.exe Token: SeUndockPrivilege 1044 WMIC.exe Token: SeManageVolumePrivilege 1044 WMIC.exe Token: 33 1044 WMIC.exe Token: 34 1044 WMIC.exe Token: 35 1044 WMIC.exe Token: 36 1044 WMIC.exe Token: SeBackupPrivilege 3240 vssvc.exe Token: SeRestorePrivilege 3240 vssvc.exe Token: SeAuditPrivilege 3240 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 4512 !WannaDecryptor!.exe 4512 !WannaDecryptor!.exe 2976 !WannaDecryptor!.exe 2976 !WannaDecryptor!.exe 852 !WannaDecryptor!.exe 852 !WannaDecryptor!.exe 968 !WannaDecryptor!.exe 968 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 4120 wrote to memory of 2876 4120 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4120 wrote to memory of 2876 4120 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4120 wrote to memory of 2876 4120 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2876 wrote to memory of 216 2876 cmd.exe cscript.exe PID 2876 wrote to memory of 216 2876 cmd.exe cscript.exe PID 2876 wrote to memory of 216 2876 cmd.exe cscript.exe PID 4120 wrote to memory of 4512 4120 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4120 wrote to memory of 4512 4120 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4120 wrote to memory of 4512 4120 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4120 wrote to memory of 4492 4120 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4120 wrote to memory of 4492 4120 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4120 wrote to memory of 4492 4120 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4120 wrote to memory of 208 4120 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4120 wrote to memory of 208 4120 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4120 wrote to memory of 208 4120 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4120 wrote to memory of 3372 4120 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4120 wrote to memory of 3372 4120 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4120 wrote to memory of 3372 4120 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4120 wrote to memory of 1300 4120 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4120 wrote to memory of 1300 4120 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4120 wrote to memory of 1300 4120 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4120 wrote to memory of 2976 4120 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4120 wrote to memory of 2976 4120 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4120 wrote to memory of 2976 4120 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4120 wrote to memory of 4480 4120 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4120 wrote to memory of 4480 4120 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4120 wrote to memory of 4480 4120 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4480 wrote to memory of 852 4480 cmd.exe !WannaDecryptor!.exe PID 4480 wrote to memory of 852 4480 cmd.exe !WannaDecryptor!.exe PID 4480 wrote to memory of 852 4480 cmd.exe !WannaDecryptor!.exe PID 4120 wrote to memory of 968 4120 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4120 wrote to memory of 968 4120 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4120 wrote to memory of 968 4120 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 852 wrote to memory of 1180 852 !WannaDecryptor!.exe cmd.exe PID 852 wrote to memory of 1180 852 !WannaDecryptor!.exe cmd.exe PID 852 wrote to memory of 1180 852 !WannaDecryptor!.exe cmd.exe PID 1180 wrote to memory of 1044 1180 cmd.exe WMIC.exe PID 1180 wrote to memory of 1044 1180 cmd.exe WMIC.exe PID 1180 wrote to memory of 1044 1180 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:4120 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 44891715396990.bat2⤵
- Suspicious use of WriteProcessMemory
PID:2876 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:216
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4512 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4492 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:208 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3372 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1300 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2976 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:4480 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:852 -
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:1180 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1044 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:968
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3240
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
MD5e0f0514d07b1dc6c3656fa858c3273fb
SHA1bb89b169caa6eab4f02b2cac99580540e17d041d
SHA256e388a411f3bfcf5fadc2935d350d2a9fb6831f72bf0e70f34b7eb23a38d767e0
SHA5121e2dd5ee249b28a70dc788d05c0f695a46fe2cc524c2f80fa63b0a5cab9cc61fa5ce8e07ae734a86105d789f15a7e29cb7331cf5f34f6af73edb26034b9fcf7c
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5347fead6441b508e1a0ed26627b7bc27
SHA16286827a6a19af46949470d59d40aebcee947ef3
SHA2561ada59a9cf7087aa551e4f3a0ba067476c142f25254ac1f758b92d25071a995f
SHA5120ed4ba52102d611da0731fa20bc93da5a1d9b335ae7918b8d96b4ed666a5324856516bc1a81caa4c39a4e9033aaad6549d0fd672bf0924ece880514896642e3b
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5bffd2ab5793f6761ac5575d8697b34e7
SHA1c095b27fdc050ff7c19d2d57e68f2382b486af4b
SHA256f785d6a8a1271a13bb4b75df8df9becd877327846371836b2660e147e7c37686
SHA5125e2086d90115a758260612df85099e5eb0cb53b5ee76ed35aa72f5d2a4be0962562eb656f0f7124ad56be63bca577a20ab37ef6b98514f3b819bd1c4f18a5299
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5b285cef4f5b14c1d57aeb315fae55dfc
SHA16da82bea77d73f51fc1a2cab234272db57828b8a
SHA25691547d0ab9489e0076e8bd004917d2472e42e6bc31e43f4444bd7855f1934d68
SHA5122d6075864dccbdc3bac95e8c3747174c9dec699cd538a4c4d2d798307d0826cdb221f4f1719d8836e6a28b064123c6287f07236f2d46cc5881ee7da4bb0c1cb9
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C:\Users\Admin\AppData\Local\Temp\44891715396990.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
MD5c00f50fbc5102ef6aa8cde7d0134bf09
SHA1a31cf12e82c795b0e4831ea44a20fc8567cc79cc
SHA256dc8031e67f584f5df62b37597629a33a462d625cee5090bfba1ac492a3594f26
SHA512bb7f89739cba1a3b18289743034a6ab2636b69a8e7b5d4bdf95af8e602000584b4e275962cdb93b7ea566d27b278d8771996a73199100f023ef7710bfea9c6ee
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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/4120-7-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB