Analysis
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max time kernel
149s -
max time network
99s -
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 03:04
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\~SD62A6.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD62BC.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 1232 !WannaDecryptor!.exe 3448 !WannaDecryptor!.exe 2168 !WannaDecryptor!.exe 4480 !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-1-5-21-3558294865-3673844354-2255444939-1000\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 1652 taskkill.exe 716 taskkill.exe 1228 taskkill.exe 1668 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 1652 taskkill.exe Token: SeDebugPrivilege 716 taskkill.exe Token: SeDebugPrivilege 1668 taskkill.exe Token: SeDebugPrivilege 1228 taskkill.exe Token: SeIncreaseQuotaPrivilege 3272 WMIC.exe Token: SeSecurityPrivilege 3272 WMIC.exe Token: SeTakeOwnershipPrivilege 3272 WMIC.exe Token: SeLoadDriverPrivilege 3272 WMIC.exe Token: SeSystemProfilePrivilege 3272 WMIC.exe Token: SeSystemtimePrivilege 3272 WMIC.exe Token: SeProfSingleProcessPrivilege 3272 WMIC.exe Token: SeIncBasePriorityPrivilege 3272 WMIC.exe Token: SeCreatePagefilePrivilege 3272 WMIC.exe Token: SeBackupPrivilege 3272 WMIC.exe Token: SeRestorePrivilege 3272 WMIC.exe Token: SeShutdownPrivilege 3272 WMIC.exe Token: SeDebugPrivilege 3272 WMIC.exe Token: SeSystemEnvironmentPrivilege 3272 WMIC.exe Token: SeRemoteShutdownPrivilege 3272 WMIC.exe Token: SeUndockPrivilege 3272 WMIC.exe Token: SeManageVolumePrivilege 3272 WMIC.exe Token: 33 3272 WMIC.exe Token: 34 3272 WMIC.exe Token: 35 3272 WMIC.exe Token: 36 3272 WMIC.exe Token: SeIncreaseQuotaPrivilege 3272 WMIC.exe Token: SeSecurityPrivilege 3272 WMIC.exe Token: SeTakeOwnershipPrivilege 3272 WMIC.exe Token: SeLoadDriverPrivilege 3272 WMIC.exe Token: SeSystemProfilePrivilege 3272 WMIC.exe Token: SeSystemtimePrivilege 3272 WMIC.exe Token: SeProfSingleProcessPrivilege 3272 WMIC.exe Token: SeIncBasePriorityPrivilege 3272 WMIC.exe Token: SeCreatePagefilePrivilege 3272 WMIC.exe Token: SeBackupPrivilege 3272 WMIC.exe Token: SeRestorePrivilege 3272 WMIC.exe Token: SeShutdownPrivilege 3272 WMIC.exe Token: SeDebugPrivilege 3272 WMIC.exe Token: SeSystemEnvironmentPrivilege 3272 WMIC.exe Token: SeRemoteShutdownPrivilege 3272 WMIC.exe Token: SeUndockPrivilege 3272 WMIC.exe Token: SeManageVolumePrivilege 3272 WMIC.exe Token: 33 3272 WMIC.exe Token: 34 3272 WMIC.exe Token: 35 3272 WMIC.exe Token: 36 3272 WMIC.exe Token: SeBackupPrivilege 1344 vssvc.exe Token: SeRestorePrivilege 1344 vssvc.exe Token: SeAuditPrivilege 1344 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 1232 !WannaDecryptor!.exe 1232 !WannaDecryptor!.exe 3448 !WannaDecryptor!.exe 3448 !WannaDecryptor!.exe 2168 !WannaDecryptor!.exe 2168 !WannaDecryptor!.exe 4480 !WannaDecryptor!.exe 4480 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 4532 wrote to memory of 3328 4532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4532 wrote to memory of 3328 4532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4532 wrote to memory of 3328 4532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3328 wrote to memory of 2108 3328 cmd.exe cscript.exe PID 3328 wrote to memory of 2108 3328 cmd.exe cscript.exe PID 3328 wrote to memory of 2108 3328 cmd.exe cscript.exe PID 4532 wrote to memory of 1232 4532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4532 wrote to memory of 1232 4532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4532 wrote to memory of 1232 4532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4532 wrote to memory of 716 4532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4532 wrote to memory of 716 4532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4532 wrote to memory of 716 4532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4532 wrote to memory of 1652 4532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4532 wrote to memory of 1652 4532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4532 wrote to memory of 1652 4532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4532 wrote to memory of 1668 4532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4532 wrote to memory of 1668 4532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4532 wrote to memory of 1668 4532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4532 wrote to memory of 1228 4532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4532 wrote to memory of 1228 4532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4532 wrote to memory of 1228 4532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4532 wrote to memory of 3448 4532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4532 wrote to memory of 3448 4532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4532 wrote to memory of 3448 4532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4532 wrote to memory of 2200 4532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4532 wrote to memory of 2200 4532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4532 wrote to memory of 2200 4532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2200 wrote to memory of 2168 2200 cmd.exe !WannaDecryptor!.exe PID 2200 wrote to memory of 2168 2200 cmd.exe !WannaDecryptor!.exe PID 2200 wrote to memory of 2168 2200 cmd.exe !WannaDecryptor!.exe PID 4532 wrote to memory of 4480 4532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4532 wrote to memory of 4480 4532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4532 wrote to memory of 4480 4532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2168 wrote to memory of 1508 2168 !WannaDecryptor!.exe cmd.exe PID 2168 wrote to memory of 1508 2168 !WannaDecryptor!.exe cmd.exe PID 2168 wrote to memory of 1508 2168 !WannaDecryptor!.exe cmd.exe PID 1508 wrote to memory of 3272 1508 cmd.exe WMIC.exe PID 1508 wrote to memory of 3272 1508 cmd.exe WMIC.exe PID 1508 wrote to memory of 3272 1508 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:4532 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 252161715396672.bat2⤵
- Suspicious use of WriteProcessMemory
PID:3328 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:2108
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1232 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:716 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1652 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1668 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1228 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3448 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:2200 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2168 -
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:1508 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3272 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:4480
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1344
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
MD5ff758fa95c263aebed0493faf4b3d160
SHA1c2aad7f5e894f60016783a672cf2d781da37b3cb
SHA2561f7d962ec9841ef6a01f9c0ff952ec879abfc6cb55a4a4e1b816c40b5582d63d
SHA5127e47553bb4c1e2ef49861cebad21a6603a416d844af84af16dbaff0d8275a2f47e0979d9e6a6af9846132dfacd0c5aa0cb6c570ed62c98719637ae8e1d6896ad
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD55ebf7bb2a04da3bfd2ed824165cc8eb8
SHA19595d8f508394fdf63ef610f47a59741f2a5a72e
SHA25618011ed6f677b53158a6f757372b041ebee24ff5324182ac8db0c6b8e60466c3
SHA51221dbc8391419c49ae0b869433870ceae3ae4b66fd7dadfbdfe609064e768529ba08c0260ff2d844401162fe7e335d6fb3ea1b79f709905073ff9697fa921b2ee
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD50abdc6b8c27f13db72d565c141a2f11c
SHA1e5b95fdd1f87c8b8557de9416ec14d2c72b8263a
SHA256cb32f1ffea39b6bc5df4fbb152090e9db3ac7508203cc9bd29034a9806b6a7de
SHA512be0fda5543447cef6b7b54c02d754fc4f467a109a4db7791f83fce03535ecf4ae89f370c0617a9dd57781db29f3db8f5c4d3836162d414c8ca9135f049155236
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD53857cc84686b23e73eaa5a0bb4fb70ff
SHA167b73a0bb40b6bc2727858e4ec51d86adc5b90df
SHA256b89f18906514c23e24aa0d4be6afbeb758317f11169af09dff92f6a6546d5f58
SHA512bb7f0ea71024e6e2b11dfe7312a23df10008f484f0aabe3f19f2ceeb4eff1b576e89523c521a1cdc35ff3030cc7b1f35fb6fc034d6af53e11da15d7e5b80165d
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C:\Users\Admin\AppData\Local\Temp\252161715396672.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
MD57bfe26bd0d81d7e25f836d0a98654844
SHA1a92103e89c4ce85d7b9c03f38ba0d5f874e58117
SHA256cda7534f277136d52bc2d856efe84db04848879f5c58c8eda9f97677d47b05bf
SHA5121fc64f237a9ebebcc59e106e8dc018a40ffe75f0d4ae399a36e44c4bde7861d5f2bad519301add5528ade985d665772f22aa1bb0cca4874303e127f33ecf9120
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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/4532-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB