Analysis
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max time kernel
146s -
max time network
105s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
11-05-2024 03:04
Static task
static1
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win10v2004-20240426-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\~SD4871.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD4878.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 548 !WannaDecryptor!.exe 5096 !WannaDecryptor!.exe 3604 !WannaDecryptor!.exe 3020 !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-1-5-21-540404634-651139247-2967210625-1000\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 3716 taskkill.exe 3504 taskkill.exe 2464 taskkill.exe 5076 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 3716 taskkill.exe Token: SeDebugPrivilege 3504 taskkill.exe Token: SeDebugPrivilege 5076 taskkill.exe Token: SeDebugPrivilege 2464 taskkill.exe Token: SeIncreaseQuotaPrivilege 1848 WMIC.exe Token: SeSecurityPrivilege 1848 WMIC.exe Token: SeTakeOwnershipPrivilege 1848 WMIC.exe Token: SeLoadDriverPrivilege 1848 WMIC.exe Token: SeSystemProfilePrivilege 1848 WMIC.exe Token: SeSystemtimePrivilege 1848 WMIC.exe Token: SeProfSingleProcessPrivilege 1848 WMIC.exe Token: SeIncBasePriorityPrivilege 1848 WMIC.exe Token: SeCreatePagefilePrivilege 1848 WMIC.exe Token: SeBackupPrivilege 1848 WMIC.exe Token: SeRestorePrivilege 1848 WMIC.exe Token: SeShutdownPrivilege 1848 WMIC.exe Token: SeDebugPrivilege 1848 WMIC.exe Token: SeSystemEnvironmentPrivilege 1848 WMIC.exe Token: SeRemoteShutdownPrivilege 1848 WMIC.exe Token: SeUndockPrivilege 1848 WMIC.exe Token: SeManageVolumePrivilege 1848 WMIC.exe Token: 33 1848 WMIC.exe Token: 34 1848 WMIC.exe Token: 35 1848 WMIC.exe Token: 36 1848 WMIC.exe Token: SeIncreaseQuotaPrivilege 1848 WMIC.exe Token: SeSecurityPrivilege 1848 WMIC.exe Token: SeTakeOwnershipPrivilege 1848 WMIC.exe Token: SeLoadDriverPrivilege 1848 WMIC.exe Token: SeSystemProfilePrivilege 1848 WMIC.exe Token: SeSystemtimePrivilege 1848 WMIC.exe Token: SeProfSingleProcessPrivilege 1848 WMIC.exe Token: SeIncBasePriorityPrivilege 1848 WMIC.exe Token: SeCreatePagefilePrivilege 1848 WMIC.exe Token: SeBackupPrivilege 1848 WMIC.exe Token: SeRestorePrivilege 1848 WMIC.exe Token: SeShutdownPrivilege 1848 WMIC.exe Token: SeDebugPrivilege 1848 WMIC.exe Token: SeSystemEnvironmentPrivilege 1848 WMIC.exe Token: SeRemoteShutdownPrivilege 1848 WMIC.exe Token: SeUndockPrivilege 1848 WMIC.exe Token: SeManageVolumePrivilege 1848 WMIC.exe Token: 33 1848 WMIC.exe Token: 34 1848 WMIC.exe Token: 35 1848 WMIC.exe Token: 36 1848 WMIC.exe Token: SeBackupPrivilege 4420 vssvc.exe Token: SeRestorePrivilege 4420 vssvc.exe Token: SeAuditPrivilege 4420 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 548 !WannaDecryptor!.exe 548 !WannaDecryptor!.exe 5096 !WannaDecryptor!.exe 5096 !WannaDecryptor!.exe 3604 !WannaDecryptor!.exe 3604 !WannaDecryptor!.exe 3020 !WannaDecryptor!.exe 3020 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 2112 wrote to memory of 4860 2112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2112 wrote to memory of 4860 2112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2112 wrote to memory of 4860 2112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4860 wrote to memory of 436 4860 cmd.exe cscript.exe PID 4860 wrote to memory of 436 4860 cmd.exe cscript.exe PID 4860 wrote to memory of 436 4860 cmd.exe cscript.exe PID 2112 wrote to memory of 548 2112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2112 wrote to memory of 548 2112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2112 wrote to memory of 548 2112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2112 wrote to memory of 3716 2112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2112 wrote to memory of 3716 2112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2112 wrote to memory of 3716 2112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2112 wrote to memory of 5076 2112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2112 wrote to memory of 5076 2112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2112 wrote to memory of 5076 2112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2112 wrote to memory of 2464 2112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2112 wrote to memory of 2464 2112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2112 wrote to memory of 2464 2112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2112 wrote to memory of 3504 2112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2112 wrote to memory of 3504 2112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2112 wrote to memory of 3504 2112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2112 wrote to memory of 5096 2112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2112 wrote to memory of 5096 2112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2112 wrote to memory of 5096 2112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2112 wrote to memory of 4720 2112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2112 wrote to memory of 4720 2112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2112 wrote to memory of 4720 2112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4720 wrote to memory of 3604 4720 cmd.exe !WannaDecryptor!.exe PID 4720 wrote to memory of 3604 4720 cmd.exe !WannaDecryptor!.exe PID 4720 wrote to memory of 3604 4720 cmd.exe !WannaDecryptor!.exe PID 2112 wrote to memory of 3020 2112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2112 wrote to memory of 3020 2112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2112 wrote to memory of 3020 2112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3604 wrote to memory of 2788 3604 !WannaDecryptor!.exe cmd.exe PID 3604 wrote to memory of 2788 3604 !WannaDecryptor!.exe cmd.exe PID 3604 wrote to memory of 2788 3604 !WannaDecryptor!.exe cmd.exe PID 2788 wrote to memory of 1848 2788 cmd.exe WMIC.exe PID 2788 wrote to memory of 1848 2788 cmd.exe WMIC.exe PID 2788 wrote to memory of 1848 2788 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:2112 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 58781715396656.bat2⤵
- Suspicious use of WriteProcessMemory
PID:4860 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:436
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:548 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3716 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:5076 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2464 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3504 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:5096 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:4720 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3604 -
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:2788 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1848 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:3020
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4420
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
MD54c5a3ab181a2d405ab21e9a2536f7566
SHA1907c991726700d833d905a8251bbddc295c45af5
SHA2566b310b443d4713502accf239d78a568437ed297ac197372d0e1cf4d54ebb9b87
SHA512e5dce62be2885240beaf45e6d38ee5c1b3265abce7d3bea53fe60e2cc59ad255b615246efa4e8099357756dc2ccd5256767542f8c1364e0223c8bdcdec6a715c
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5ba49911302a9ea2d632bce1f1549ded2
SHA11d952829eaf148bf64453bfd1c55976411c90739
SHA256d484ff34d5170603b00370fb7799bd2a8a826d9a7260bac21579139ebc386f02
SHA5122c553b84cccc2689b92ed9c593673c745340e30ba7f80802922e27a8e15afa0694b45e47ac8e66d6d5173f62ab20e1aa657c1394ec74b74d26c343e950d559e8
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD52090f604ddd99907e63deef13009d4c5
SHA1066e69b48693d317de36d8267e1fee364a870dbd
SHA256b8af50628f05bdb1a3b808cfeaf605bce8a27179b18e3cbb1cbb3bd5777925c8
SHA5127e5e75fd16287d8d67fe81b67c04a6dcfffdffa6893fd9321872ecfce5de7fe5c7e0deabbc1f87b333121ee40e182e6fb2d4825a1c2c2b930ba929af82ea9df6
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD51d33817b48ec0b96de862ed732af9dbc
SHA18c51f3b3b2cc494380c8ac63ec59d487651b03b7
SHA256f626b02f34747da95bd1c1330288dba171f12dc20eda4d4ddbcf2bbf08571a8e
SHA51278a2db4fe98ed6d3073c74ccd0a99450a461002333e60c2b495c7afc5d9bfd0f0df40cf7b02e9df10471fb60654e3f7686aa73fc60015516caaeb51cc44b3915
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C:\Users\Admin\AppData\Local\Temp\58781715396656.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
MD5022493e710d5cb8cef5c229b2b2d9882
SHA1eb593d38eb6e38d9cddae0d66e89166aee231a31
SHA256bedb90d66c40acc71057b944c5f28391b9cfd9156cb4a4cd3dc762c0e2389d5e
SHA512e28729ef49bc1b75fdbfa74b55934d09c72265ded8fc9199bc672cad76c3b71bb4516804d773f6c2845aefd141812bed84438ba71bd55396decd51b50f0a49fa
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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/2112-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB