Analysis
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max time kernel
148s -
max time network
153s -
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 19:04
Static task
static1
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240221-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\~SDA4D2.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SDA4F8.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 4672 !WannaDecryptor!.exe 2696 !WannaDecryptor!.exe 3196 !WannaDecryptor!.exe 3120 !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-1-5-21-4124900551-4068476067-3491212533-1000\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 1552 taskkill.exe 1204 taskkill.exe 3576 taskkill.exe 3740 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 3576 taskkill.exe Token: SeDebugPrivilege 3740 taskkill.exe Token: SeDebugPrivilege 1552 taskkill.exe Token: SeDebugPrivilege 1204 taskkill.exe Token: SeIncreaseQuotaPrivilege 1424 WMIC.exe Token: SeSecurityPrivilege 1424 WMIC.exe Token: SeTakeOwnershipPrivilege 1424 WMIC.exe Token: SeLoadDriverPrivilege 1424 WMIC.exe Token: SeSystemProfilePrivilege 1424 WMIC.exe Token: SeSystemtimePrivilege 1424 WMIC.exe Token: SeProfSingleProcessPrivilege 1424 WMIC.exe Token: SeIncBasePriorityPrivilege 1424 WMIC.exe Token: SeCreatePagefilePrivilege 1424 WMIC.exe Token: SeBackupPrivilege 1424 WMIC.exe Token: SeRestorePrivilege 1424 WMIC.exe Token: SeShutdownPrivilege 1424 WMIC.exe Token: SeDebugPrivilege 1424 WMIC.exe Token: SeSystemEnvironmentPrivilege 1424 WMIC.exe Token: SeRemoteShutdownPrivilege 1424 WMIC.exe Token: SeUndockPrivilege 1424 WMIC.exe Token: SeManageVolumePrivilege 1424 WMIC.exe Token: 33 1424 WMIC.exe Token: 34 1424 WMIC.exe Token: 35 1424 WMIC.exe Token: 36 1424 WMIC.exe Token: SeIncreaseQuotaPrivilege 1424 WMIC.exe Token: SeSecurityPrivilege 1424 WMIC.exe Token: SeTakeOwnershipPrivilege 1424 WMIC.exe Token: SeLoadDriverPrivilege 1424 WMIC.exe Token: SeSystemProfilePrivilege 1424 WMIC.exe Token: SeSystemtimePrivilege 1424 WMIC.exe Token: SeProfSingleProcessPrivilege 1424 WMIC.exe Token: SeIncBasePriorityPrivilege 1424 WMIC.exe Token: SeCreatePagefilePrivilege 1424 WMIC.exe Token: SeBackupPrivilege 1424 WMIC.exe Token: SeRestorePrivilege 1424 WMIC.exe Token: SeShutdownPrivilege 1424 WMIC.exe Token: SeDebugPrivilege 1424 WMIC.exe Token: SeSystemEnvironmentPrivilege 1424 WMIC.exe Token: SeRemoteShutdownPrivilege 1424 WMIC.exe Token: SeUndockPrivilege 1424 WMIC.exe Token: SeManageVolumePrivilege 1424 WMIC.exe Token: 33 1424 WMIC.exe Token: 34 1424 WMIC.exe Token: 35 1424 WMIC.exe Token: 36 1424 WMIC.exe Token: SeBackupPrivilege 3148 vssvc.exe Token: SeRestorePrivilege 3148 vssvc.exe Token: SeAuditPrivilege 3148 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 4672 !WannaDecryptor!.exe 4672 !WannaDecryptor!.exe 2696 !WannaDecryptor!.exe 2696 !WannaDecryptor!.exe 3196 !WannaDecryptor!.exe 3196 !WannaDecryptor!.exe 3120 !WannaDecryptor!.exe 3120 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 224 wrote to memory of 3264 224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 224 wrote to memory of 3264 224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 224 wrote to memory of 3264 224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3264 wrote to memory of 4516 3264 cmd.exe cscript.exe PID 3264 wrote to memory of 4516 3264 cmd.exe cscript.exe PID 3264 wrote to memory of 4516 3264 cmd.exe cscript.exe PID 224 wrote to memory of 4672 224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 224 wrote to memory of 4672 224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 224 wrote to memory of 4672 224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 224 wrote to memory of 3576 224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 224 wrote to memory of 3576 224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 224 wrote to memory of 3576 224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 224 wrote to memory of 3740 224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 224 wrote to memory of 3740 224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 224 wrote to memory of 3740 224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 224 wrote to memory of 1204 224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 224 wrote to memory of 1204 224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 224 wrote to memory of 1204 224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 224 wrote to memory of 1552 224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 224 wrote to memory of 1552 224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 224 wrote to memory of 1552 224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 224 wrote to memory of 2696 224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 224 wrote to memory of 2696 224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 224 wrote to memory of 2696 224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 224 wrote to memory of 2120 224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 224 wrote to memory of 2120 224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 224 wrote to memory of 2120 224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2120 wrote to memory of 3196 2120 cmd.exe !WannaDecryptor!.exe PID 2120 wrote to memory of 3196 2120 cmd.exe !WannaDecryptor!.exe PID 2120 wrote to memory of 3196 2120 cmd.exe !WannaDecryptor!.exe PID 224 wrote to memory of 3120 224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 224 wrote to memory of 3120 224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 224 wrote to memory of 3120 224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3196 wrote to memory of 2936 3196 !WannaDecryptor!.exe cmd.exe PID 3196 wrote to memory of 2936 3196 !WannaDecryptor!.exe cmd.exe PID 3196 wrote to memory of 2936 3196 !WannaDecryptor!.exe cmd.exe PID 2936 wrote to memory of 1424 2936 cmd.exe WMIC.exe PID 2936 wrote to memory of 1424 2936 cmd.exe WMIC.exe PID 2936 wrote to memory of 1424 2936 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:224 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 160611715627095.bat2⤵
- Suspicious use of WriteProcessMemory
PID:3264 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:4516
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4672 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3576 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3740 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1204 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1552 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2696 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:2120 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3196 -
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:2936 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1424 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:3120
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3148
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
MD564cad7ad44a31ceca0ebf3b2ab03195c
SHA1f2a615e8e4194d599caa7f6b99358801a7ac9908
SHA256901283143c985a045e46022101d5bf9af25ee3b73a3febe9e4956773411efde5
SHA512541cf2bffbed956195aee7d59eacda07cad9cd244fd4b150ebe98dd1818b8d7630d5da150e62c2eef92fa4e7f15cd0fc1d4708a628b80aab08c9bf419c0d8ab9
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5c0e960068cdfcd33c2a90476c5a5021f
SHA1cd95e48a528652682b60abe74ac113ad66461b21
SHA256d8c387e9501063b9861b7a2ec62f061d75dc1967bebf252a40fef02dfc455363
SHA51288c5c07b069d131c2229d1e8b83a8d97ca0cae1f5d95c9a8dc02ec02c9a370f3be98e831e598eb51f9e0d5ec7da84f115eef20be8a4d48a080c54e8532cbc52d
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD59089b22693da5df9c299f1cf98536417
SHA1fd8524c2d772b6e9e2b0faac26ce32971c4aa91b
SHA2564561bcf07129d4f66ab0d737442e0ec7b4d85e09b1a8bfa23b0d3a206df0f5f3
SHA5120a4499400e290c52aa6d0525ea246460d092921e83ac21c1955146c98babcb04cda32719090035f55c1bb83b9c92dc856d98b65a072f41ef92f686e61a15ba6c
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD58a88ffa988ba235782e03e960ea9d057
SHA14ed83cb13ab4d80fea25dd19b0bbb6b87840cf9f
SHA25641f23476bc124281c2a9550cf7dc55a85ed8327bd15264bfe295f36c86564193
SHA512ec978c7c44cf0c1b8ae8225bd977215d07e31086e955eb7c89de1a9f507ee91a93df5d4f3b5200f7e8b4f55188769e80edd704cde50bea7bb17a08c970a68e79
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C:\Users\Admin\AppData\Local\Temp\160611715627095.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
MD57a7c20d334226e6ff560b264162979d0
SHA142df1b9e66a741cd2b5d0d645d29f1100a0ddda7
SHA256dcba83fae37f004bd8e88ce4462ea2fe5d559b09a9e6b3b61249ce385cb44e2d
SHA51271a1270e11003d5a4bff6e9f2771f3165e37704fea1fa99cc3ede3dfb49d6d208a22385d3307d9da7d3dd26b9f97cc12e3c17176abe8b670f01d211e6fe325f9
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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/224-7-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB