Analysis
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max time kernel
139s -
max time network
100s -
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 03:06
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\~SD5E21.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD5E86.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 2064 !WannaDecryptor!.exe 3168 !WannaDecryptor!.exe 4220 !WannaDecryptor!.exe 4588 !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 2192 taskkill.exe 2276 taskkill.exe 4372 taskkill.exe 1756 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 2276 taskkill.exe Token: SeDebugPrivilege 4372 taskkill.exe Token: SeDebugPrivilege 2192 taskkill.exe Token: SeDebugPrivilege 1756 taskkill.exe Token: SeIncreaseQuotaPrivilege 3144 WMIC.exe Token: SeSecurityPrivilege 3144 WMIC.exe Token: SeTakeOwnershipPrivilege 3144 WMIC.exe Token: SeLoadDriverPrivilege 3144 WMIC.exe Token: SeSystemProfilePrivilege 3144 WMIC.exe Token: SeSystemtimePrivilege 3144 WMIC.exe Token: SeProfSingleProcessPrivilege 3144 WMIC.exe Token: SeIncBasePriorityPrivilege 3144 WMIC.exe Token: SeCreatePagefilePrivilege 3144 WMIC.exe Token: SeBackupPrivilege 3144 WMIC.exe Token: SeRestorePrivilege 3144 WMIC.exe Token: SeShutdownPrivilege 3144 WMIC.exe Token: SeDebugPrivilege 3144 WMIC.exe Token: SeSystemEnvironmentPrivilege 3144 WMIC.exe Token: SeRemoteShutdownPrivilege 3144 WMIC.exe Token: SeUndockPrivilege 3144 WMIC.exe Token: SeManageVolumePrivilege 3144 WMIC.exe Token: 33 3144 WMIC.exe Token: 34 3144 WMIC.exe Token: 35 3144 WMIC.exe Token: 36 3144 WMIC.exe Token: SeIncreaseQuotaPrivilege 3144 WMIC.exe Token: SeSecurityPrivilege 3144 WMIC.exe Token: SeTakeOwnershipPrivilege 3144 WMIC.exe Token: SeLoadDriverPrivilege 3144 WMIC.exe Token: SeSystemProfilePrivilege 3144 WMIC.exe Token: SeSystemtimePrivilege 3144 WMIC.exe Token: SeProfSingleProcessPrivilege 3144 WMIC.exe Token: SeIncBasePriorityPrivilege 3144 WMIC.exe Token: SeCreatePagefilePrivilege 3144 WMIC.exe Token: SeBackupPrivilege 3144 WMIC.exe Token: SeRestorePrivilege 3144 WMIC.exe Token: SeShutdownPrivilege 3144 WMIC.exe Token: SeDebugPrivilege 3144 WMIC.exe Token: SeSystemEnvironmentPrivilege 3144 WMIC.exe Token: SeRemoteShutdownPrivilege 3144 WMIC.exe Token: SeUndockPrivilege 3144 WMIC.exe Token: SeManageVolumePrivilege 3144 WMIC.exe Token: 33 3144 WMIC.exe Token: 34 3144 WMIC.exe Token: 35 3144 WMIC.exe Token: 36 3144 WMIC.exe Token: SeBackupPrivilege 1304 vssvc.exe Token: SeRestorePrivilege 1304 vssvc.exe Token: SeAuditPrivilege 1304 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 2064 !WannaDecryptor!.exe 2064 !WannaDecryptor!.exe 3168 !WannaDecryptor!.exe 3168 !WannaDecryptor!.exe 4220 !WannaDecryptor!.exe 4220 !WannaDecryptor!.exe 4588 !WannaDecryptor!.exe 4588 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 2216 wrote to memory of 4888 2216 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2216 wrote to memory of 4888 2216 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2216 wrote to memory of 4888 2216 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4888 wrote to memory of 1252 4888 cmd.exe cscript.exe PID 4888 wrote to memory of 1252 4888 cmd.exe cscript.exe PID 4888 wrote to memory of 1252 4888 cmd.exe cscript.exe PID 2216 wrote to memory of 2064 2216 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2216 wrote to memory of 2064 2216 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2216 wrote to memory of 2064 2216 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2216 wrote to memory of 1756 2216 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2216 wrote to memory of 1756 2216 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2216 wrote to memory of 1756 2216 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2216 wrote to memory of 4372 2216 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2216 wrote to memory of 4372 2216 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2216 wrote to memory of 4372 2216 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2216 wrote to memory of 2276 2216 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2216 wrote to memory of 2276 2216 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2216 wrote to memory of 2276 2216 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2216 wrote to memory of 2192 2216 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2216 wrote to memory of 2192 2216 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2216 wrote to memory of 2192 2216 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2216 wrote to memory of 3168 2216 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2216 wrote to memory of 3168 2216 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2216 wrote to memory of 3168 2216 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2216 wrote to memory of 2652 2216 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2216 wrote to memory of 2652 2216 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2216 wrote to memory of 2652 2216 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2652 wrote to memory of 4220 2652 cmd.exe !WannaDecryptor!.exe PID 2652 wrote to memory of 4220 2652 cmd.exe !WannaDecryptor!.exe PID 2652 wrote to memory of 4220 2652 cmd.exe !WannaDecryptor!.exe PID 2216 wrote to memory of 4588 2216 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2216 wrote to memory of 4588 2216 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2216 wrote to memory of 4588 2216 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4220 wrote to memory of 5064 4220 !WannaDecryptor!.exe cmd.exe PID 4220 wrote to memory of 5064 4220 !WannaDecryptor!.exe cmd.exe PID 4220 wrote to memory of 5064 4220 !WannaDecryptor!.exe cmd.exe PID 5064 wrote to memory of 3144 5064 cmd.exe WMIC.exe PID 5064 wrote to memory of 3144 5064 cmd.exe WMIC.exe PID 5064 wrote to memory of 3144 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:2216 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 214901715396774.bat2⤵
- Suspicious use of WriteProcessMemory
PID:4888 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:1252
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2064 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1756 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4372 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2276 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2192 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3168 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:2652 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4220 -
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:3144 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:4588
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1304
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
MD5bb7c96a6b28f6ba2fee7661e1937565b
SHA16f86627d18891910f1f0ca486d5c0b93ce581c30
SHA2560da989643d02e3a1915783288af2b3e68c175d8c5e4dca77221062745512633f
SHA51295529ef16604db0913a786083b8896ac766220623d03fad4c7cc308d33694b2963899385f1e3bc2b67878827e349f90c4d44cd00e2356c3fcefeb34da48173a3
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD52d9b4eaad4393a3533b1b77856c071a3
SHA19094f83ba94d2c299a2d36cc9455898fac0e34a5
SHA2569236cf0e02853293bd2ba74c0f24f883c8dca5d7d32507844b1a741868fd09c8
SHA5121719df226d25777f007be28e935e02eba1aaa5df72d7760d90581a165c3f27c5c73738ad53d102925bf4cf1a0732922a77b93346a9cd741e08ed4e2bf904f277
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD57d740992b507115751cbdf1db4317485
SHA170158f89eb13c3efd4506fecab8f30005185408b
SHA2565bd231ed7db26b063fbc01a5dfe43df2333560c8bd70aacb86e489a38e6a9b49
SHA5129e9cafd828cac85283ce7cae28f7f181432bcfbba8b12d526e0ac9d3f90711956bac64149f2534fda9be713c2505932ebeaec80fa13655761eee011e3b1b906b
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5758d0ce772b9efde154639b03e7d977a
SHA16023309e1db527dc810566f897778377d5d89145
SHA256b9285516c32231a240f54b38123eded4750c43ce0138e8b9743c76727eb2a3f2
SHA5126e345a01de78457d9ad10fc4a291b00d8982aaf9dc1d5a3684e065d355124eb2fa37e188599e883a9da21f7821b0bd78037110bf1d6e6c98171e6906bb949dc5
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C:\Users\Admin\AppData\Local\Temp\214901715396774.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
MD5a79544f1a86a2c8c0f665e601039d3b1
SHA13a477897a97f3315f8fbc4d85d80e7aa592e59e1
SHA256e336d57ad010a72fb2f947b041bc74d19382b782bd7d35cf4eeb1b4d4b5f53ee
SHA5122117af906d8231039d69b793bc4f1fb76c8675dd2e55eaff2de2b380ed5775b899cce717ea7b36160ccf7ee04e82670316ebb04c024e24e454b1d374ed0b5366
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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/2216-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB