Analysis
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max time kernel
147s -
max time network
95s -
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
win7-20240508-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\~SD5A93.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD5A9A.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 4228 !WannaDecryptor!.exe 3408 !WannaDecryptor!.exe 4680 !WannaDecryptor!.exe 2120 !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-1-5-21-2804150937-2146708401-419095071-1000\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 1540 taskkill.exe 4600 taskkill.exe 4272 taskkill.exe 2856 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 4272 taskkill.exe Token: SeDebugPrivilege 2856 taskkill.exe Token: SeDebugPrivilege 4600 taskkill.exe Token: SeDebugPrivilege 1540 taskkill.exe Token: SeIncreaseQuotaPrivilege 2832 WMIC.exe Token: SeSecurityPrivilege 2832 WMIC.exe Token: SeTakeOwnershipPrivilege 2832 WMIC.exe Token: SeLoadDriverPrivilege 2832 WMIC.exe Token: SeSystemProfilePrivilege 2832 WMIC.exe Token: SeSystemtimePrivilege 2832 WMIC.exe Token: SeProfSingleProcessPrivilege 2832 WMIC.exe Token: SeIncBasePriorityPrivilege 2832 WMIC.exe Token: SeCreatePagefilePrivilege 2832 WMIC.exe Token: SeBackupPrivilege 2832 WMIC.exe Token: SeRestorePrivilege 2832 WMIC.exe Token: SeShutdownPrivilege 2832 WMIC.exe Token: SeDebugPrivilege 2832 WMIC.exe Token: SeSystemEnvironmentPrivilege 2832 WMIC.exe Token: SeRemoteShutdownPrivilege 2832 WMIC.exe Token: SeUndockPrivilege 2832 WMIC.exe Token: SeManageVolumePrivilege 2832 WMIC.exe Token: 33 2832 WMIC.exe Token: 34 2832 WMIC.exe Token: 35 2832 WMIC.exe Token: 36 2832 WMIC.exe Token: SeIncreaseQuotaPrivilege 2832 WMIC.exe Token: SeSecurityPrivilege 2832 WMIC.exe Token: SeTakeOwnershipPrivilege 2832 WMIC.exe Token: SeLoadDriverPrivilege 2832 WMIC.exe Token: SeSystemProfilePrivilege 2832 WMIC.exe Token: SeSystemtimePrivilege 2832 WMIC.exe Token: SeProfSingleProcessPrivilege 2832 WMIC.exe Token: SeIncBasePriorityPrivilege 2832 WMIC.exe Token: SeCreatePagefilePrivilege 2832 WMIC.exe Token: SeBackupPrivilege 2832 WMIC.exe Token: SeRestorePrivilege 2832 WMIC.exe Token: SeShutdownPrivilege 2832 WMIC.exe Token: SeDebugPrivilege 2832 WMIC.exe Token: SeSystemEnvironmentPrivilege 2832 WMIC.exe Token: SeRemoteShutdownPrivilege 2832 WMIC.exe Token: SeUndockPrivilege 2832 WMIC.exe Token: SeManageVolumePrivilege 2832 WMIC.exe Token: 33 2832 WMIC.exe Token: 34 2832 WMIC.exe Token: 35 2832 WMIC.exe Token: 36 2832 WMIC.exe Token: SeBackupPrivilege 1552 vssvc.exe Token: SeRestorePrivilege 1552 vssvc.exe Token: SeAuditPrivilege 1552 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 4228 !WannaDecryptor!.exe 4228 !WannaDecryptor!.exe 3408 !WannaDecryptor!.exe 4680 !WannaDecryptor!.exe 3408 !WannaDecryptor!.exe 4680 !WannaDecryptor!.exe 2120 !WannaDecryptor!.exe 2120 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 5012 wrote to memory of 2716 5012 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 5012 wrote to memory of 2716 5012 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 5012 wrote to memory of 2716 5012 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2716 wrote to memory of 1536 2716 cmd.exe cscript.exe PID 2716 wrote to memory of 1536 2716 cmd.exe cscript.exe PID 2716 wrote to memory of 1536 2716 cmd.exe cscript.exe PID 5012 wrote to memory of 4228 5012 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 5012 wrote to memory of 4228 5012 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 5012 wrote to memory of 4228 5012 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 5012 wrote to memory of 1540 5012 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 5012 wrote to memory of 1540 5012 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 5012 wrote to memory of 1540 5012 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 5012 wrote to memory of 2856 5012 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 5012 wrote to memory of 2856 5012 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 5012 wrote to memory of 2856 5012 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 5012 wrote to memory of 4272 5012 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 5012 wrote to memory of 4272 5012 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 5012 wrote to memory of 4272 5012 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 5012 wrote to memory of 4600 5012 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 5012 wrote to memory of 4600 5012 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 5012 wrote to memory of 4600 5012 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 5012 wrote to memory of 3408 5012 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 5012 wrote to memory of 3408 5012 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 5012 wrote to memory of 3408 5012 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 5012 wrote to memory of 3044 5012 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 5012 wrote to memory of 3044 5012 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 5012 wrote to memory of 3044 5012 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 5012 wrote to memory of 4680 5012 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 5012 wrote to memory of 4680 5012 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 5012 wrote to memory of 4680 5012 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3044 wrote to memory of 2120 3044 cmd.exe !WannaDecryptor!.exe PID 3044 wrote to memory of 2120 3044 cmd.exe !WannaDecryptor!.exe PID 3044 wrote to memory of 2120 3044 cmd.exe !WannaDecryptor!.exe PID 2120 wrote to memory of 3372 2120 !WannaDecryptor!.exe cmd.exe PID 2120 wrote to memory of 3372 2120 !WannaDecryptor!.exe cmd.exe PID 2120 wrote to memory of 3372 2120 !WannaDecryptor!.exe cmd.exe PID 3372 wrote to memory of 2832 3372 cmd.exe WMIC.exe PID 3372 wrote to memory of 2832 3372 cmd.exe WMIC.exe PID 3372 wrote to memory of 2832 3372 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:5012 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 214381715396981.bat2⤵
- Suspicious use of WriteProcessMemory
PID:2716 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:1536
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4228 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1540 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2856 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4272 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4600 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3408 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:3044 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2120 -
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:3372 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:2832 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:4680
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1552
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
MD5d22f82234440330868ddf7195624b404
SHA1c998b8ca0f50e27debee6512c847e83c8afed9a1
SHA2562622ba6a77f2807de8a509a2cf7ca26743c805453020ad9417c2f85bc575078d
SHA512cdc1b9533cb21e8b944cde0b6e1183dd5c22bc4daaa555a4415da2cd4ceb518af11ca6465f222b54e26cc08f3c07177b8deb5f5f068068f1211fc14babff4351
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5e7a81f1899b8eb4f00ed1c0e3c603d23
SHA18d55a1ffff62ead15d83ed2f534717b70681854e
SHA256f8037ad16e898590169c18a7c115a77f52aabe60ed72bbffb4acab71b3af987f
SHA512df7b3f759027c97c64995c6adf01f2fb9e442159a4a6a588dfb9b6a6735684e5d551a828e3878b1e81b7882fe964014bf786659452ec54b2776a105d3ebb9628
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD57036d7864bf603c0ccb1beaef4d92980
SHA1e61968db732437edd345699db3bde1779c6fedea
SHA256d56477e99ff5a8fb72c19d08225ae2c6a2275b936becaf3ebbaf88239d5d51a5
SHA5123c8d039c1819ac996e94a3ffdf98aefdae0da7f2b88df772f7ee10bb816e41c50b0d5be595415211b63f194f5d6b973c00caff38a6d8f1da929a5c7b9941b938
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD50ea7aa097e6485a94e4138341d5353fd
SHA12daee781a8cbb7116b0f4aaa49cf9325bc675e2a
SHA25696b67fb8078cb9af9024ad6d351d72b1fc181f2eafe0b320d88c1684ebba88f4
SHA5124c51068c75b649682127f68db1c6975c00f8417a386fbee2cd9ab04817546c215832b1d0e13b438364ea3712b49be9f7e0ea2ffc23469e7e257ecb287a3c73b6
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C:\Users\Admin\AppData\Local\Temp\214381715396981.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
MD520a940b5571ef82abe8c8f827de04942
SHA1ae35df86beb956cef75b376058402a684d25b236
SHA256e971f100013236a13f81f73886202b37ff068929f6f6abe8da28a12997f5d890
SHA5129a2b6f181a1e1c7741789abff7d69b246742c6efded1c2093264421ca7dff3fffa3ce8f682e6ba849f8d204e9b007ef4c1ccff6fa14578f44a51fd3e5b5c4f12
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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/5012-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB