Analysis
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max time kernel
149s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
13-05-2024 19:02
Static task
static1
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240419-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\~SD5020.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD5036.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 3980 !WannaDecryptor!.exe 1608 !WannaDecryptor!.exe 5440 !WannaDecryptor!.exe 5600 !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 2564 taskkill.exe 2096 taskkill.exe 2084 taskkill.exe 3120 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 3120 taskkill.exe Token: SeDebugPrivilege 2084 taskkill.exe Token: SeDebugPrivilege 2564 taskkill.exe Token: SeDebugPrivilege 2096 taskkill.exe Token: SeIncreaseQuotaPrivilege 5580 WMIC.exe Token: SeSecurityPrivilege 5580 WMIC.exe Token: SeTakeOwnershipPrivilege 5580 WMIC.exe Token: SeLoadDriverPrivilege 5580 WMIC.exe Token: SeSystemProfilePrivilege 5580 WMIC.exe Token: SeSystemtimePrivilege 5580 WMIC.exe Token: SeProfSingleProcessPrivilege 5580 WMIC.exe Token: SeIncBasePriorityPrivilege 5580 WMIC.exe Token: SeCreatePagefilePrivilege 5580 WMIC.exe Token: SeBackupPrivilege 5580 WMIC.exe Token: SeRestorePrivilege 5580 WMIC.exe Token: SeShutdownPrivilege 5580 WMIC.exe Token: SeDebugPrivilege 5580 WMIC.exe Token: SeSystemEnvironmentPrivilege 5580 WMIC.exe Token: SeRemoteShutdownPrivilege 5580 WMIC.exe Token: SeUndockPrivilege 5580 WMIC.exe Token: SeManageVolumePrivilege 5580 WMIC.exe Token: 33 5580 WMIC.exe Token: 34 5580 WMIC.exe Token: 35 5580 WMIC.exe Token: 36 5580 WMIC.exe Token: SeIncreaseQuotaPrivilege 5580 WMIC.exe Token: SeSecurityPrivilege 5580 WMIC.exe Token: SeTakeOwnershipPrivilege 5580 WMIC.exe Token: SeLoadDriverPrivilege 5580 WMIC.exe Token: SeSystemProfilePrivilege 5580 WMIC.exe Token: SeSystemtimePrivilege 5580 WMIC.exe Token: SeProfSingleProcessPrivilege 5580 WMIC.exe Token: SeIncBasePriorityPrivilege 5580 WMIC.exe Token: SeCreatePagefilePrivilege 5580 WMIC.exe Token: SeBackupPrivilege 5580 WMIC.exe Token: SeRestorePrivilege 5580 WMIC.exe Token: SeShutdownPrivilege 5580 WMIC.exe Token: SeDebugPrivilege 5580 WMIC.exe Token: SeSystemEnvironmentPrivilege 5580 WMIC.exe Token: SeRemoteShutdownPrivilege 5580 WMIC.exe Token: SeUndockPrivilege 5580 WMIC.exe Token: SeManageVolumePrivilege 5580 WMIC.exe Token: 33 5580 WMIC.exe Token: 34 5580 WMIC.exe Token: 35 5580 WMIC.exe Token: 36 5580 WMIC.exe Token: SeBackupPrivilege 5584 vssvc.exe Token: SeRestorePrivilege 5584 vssvc.exe Token: SeAuditPrivilege 5584 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 3980 !WannaDecryptor!.exe 3980 !WannaDecryptor!.exe 1608 !WannaDecryptor!.exe 1608 !WannaDecryptor!.exe 5440 !WannaDecryptor!.exe 5440 !WannaDecryptor!.exe 5600 !WannaDecryptor!.exe 5600 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 2856 wrote to memory of 1016 2856 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2856 wrote to memory of 1016 2856 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2856 wrote to memory of 1016 2856 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1016 wrote to memory of 3580 1016 cmd.exe cscript.exe PID 1016 wrote to memory of 3580 1016 cmd.exe cscript.exe PID 1016 wrote to memory of 3580 1016 cmd.exe cscript.exe PID 2856 wrote to memory of 3980 2856 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2856 wrote to memory of 3980 2856 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2856 wrote to memory of 3980 2856 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2856 wrote to memory of 2564 2856 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2856 wrote to memory of 2564 2856 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2856 wrote to memory of 2564 2856 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2856 wrote to memory of 3120 2856 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2856 wrote to memory of 3120 2856 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2856 wrote to memory of 3120 2856 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2856 wrote to memory of 2084 2856 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2856 wrote to memory of 2084 2856 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2856 wrote to memory of 2084 2856 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2856 wrote to memory of 2096 2856 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2856 wrote to memory of 2096 2856 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2856 wrote to memory of 2096 2856 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2856 wrote to memory of 1608 2856 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2856 wrote to memory of 1608 2856 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2856 wrote to memory of 1608 2856 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2856 wrote to memory of 1088 2856 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2856 wrote to memory of 1088 2856 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2856 wrote to memory of 1088 2856 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1088 wrote to memory of 5440 1088 cmd.exe !WannaDecryptor!.exe PID 1088 wrote to memory of 5440 1088 cmd.exe !WannaDecryptor!.exe PID 1088 wrote to memory of 5440 1088 cmd.exe !WannaDecryptor!.exe PID 2856 wrote to memory of 5600 2856 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2856 wrote to memory of 5600 2856 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2856 wrote to memory of 5600 2856 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 5440 wrote to memory of 4208 5440 !WannaDecryptor!.exe cmd.exe PID 5440 wrote to memory of 4208 5440 !WannaDecryptor!.exe cmd.exe PID 5440 wrote to memory of 4208 5440 !WannaDecryptor!.exe cmd.exe PID 4208 wrote to memory of 5580 4208 cmd.exe WMIC.exe PID 4208 wrote to memory of 5580 4208 cmd.exe WMIC.exe PID 4208 wrote to memory of 5580 4208 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:2856 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 103161715626974.bat2⤵
- Suspicious use of WriteProcessMemory
PID:1016 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:3580
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3980 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2564 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3120 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2084 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2096 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1608 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:1088 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5440 -
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:4208 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:5580 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:5600
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:5584
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
MD500eff24277cf916782d07c6cbedebccd
SHA18c26826b65dafc3a54d5b613c06907df9b1bd5ae
SHA2565acc96925c5d41e2560210bf0f29f88a5d4a3cd54c47a7ea45925bdf49c78075
SHA512f18e8ef8e1e9027c713215f50a13eda84a4132b542611bf74ecece088546fb25a102ed24aeb577e5c528e992d97873b3b6cdc33835357c277ca1661620275f13
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD551f02c4d5ea98ef74a4eb29d36610da3
SHA1ce6038bc0c9294f775ff063f942797eb0e7ca647
SHA25692e8f9ebb7099de25066e71e176fc03ab2c36b05a0866d533251d7b8bc11d54d
SHA5123b9a829d0939a454c92a4fafea81b2aee801ccb7f4fa7edb36a94d994213d77f753ba8a08de5adf4b4cde7679f69000d3e812e73064900e082a2dc1664547427
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD53e7c0302922cfa8e86c6b227da514c5e
SHA1ce3dbf6556f1db2b9e963d65a02fed7a2db37fdb
SHA25652e0aaf91cb28a3a931dd5b868cb87390221a06248deb1959f5491bdf5881691
SHA51218ce031d3e62477fae49b35b5cd4f9103ab91ad8e3fbfb7596fc2b61fbaee8547918eab11228bac3cf8a8d261a91226f9daae799f6b945c68c08153916740af1
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5e2b9a1ad35a5d5f6e14e16358a9ac4c0
SHA13d46536e6b1bdbec5a8ee2f7b68eab35d6b619ed
SHA2562d5984ee403c3218791fc83f612b25bbc162be766969615e987dcf40dfec72d3
SHA512a4512b72e4207230355d517dab06b6bd591d955f5db141154a6b0f8423793f5a9107220ece45cd22f1f8419df18cf70db97c43addede7bbd386737ade9e68c78
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C:\Users\Admin\AppData\Local\Temp\103161715626974.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
MD5c727ca529148af2bbcd95e2016be5a66
SHA1efc38dd1784b21a2d8f0b5b11587a49167e37d75
SHA2567c5604fbffd8f46dc1820e6b31c995789be0edbe2cdb93c96bf94e886ac25d7b
SHA512d2acab9dad94151a0e03aa88b3f65611dd9e325cba9d1535ae8b1f898dca5a8eb24ffae5ce6c08ff0d0cdbe2a9a69b804e39b0d6442b4224f48b685bfdbffe2b
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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/2856-7-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB