Analysis
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max time kernel
149s -
max time network
144s -
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 03:09
Static task
static1
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240221-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\~SD8316.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD832D.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 2260 !WannaDecryptor!.exe 1056 !WannaDecryptor!.exe 1556 !WannaDecryptor!.exe 2396 !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-1-5-21-711569230-3659488422-571408806-1000\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 3580 taskkill.exe 1896 taskkill.exe 520 taskkill.exe 2908 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 3580 taskkill.exe Token: SeDebugPrivilege 2908 taskkill.exe Token: SeDebugPrivilege 1896 taskkill.exe Token: SeDebugPrivilege 520 taskkill.exe Token: SeIncreaseQuotaPrivilege 2088 WMIC.exe Token: SeSecurityPrivilege 2088 WMIC.exe Token: SeTakeOwnershipPrivilege 2088 WMIC.exe Token: SeLoadDriverPrivilege 2088 WMIC.exe Token: SeSystemProfilePrivilege 2088 WMIC.exe Token: SeSystemtimePrivilege 2088 WMIC.exe Token: SeProfSingleProcessPrivilege 2088 WMIC.exe Token: SeIncBasePriorityPrivilege 2088 WMIC.exe Token: SeCreatePagefilePrivilege 2088 WMIC.exe Token: SeBackupPrivilege 2088 WMIC.exe Token: SeRestorePrivilege 2088 WMIC.exe Token: SeShutdownPrivilege 2088 WMIC.exe Token: SeDebugPrivilege 2088 WMIC.exe Token: SeSystemEnvironmentPrivilege 2088 WMIC.exe Token: SeRemoteShutdownPrivilege 2088 WMIC.exe Token: SeUndockPrivilege 2088 WMIC.exe Token: SeManageVolumePrivilege 2088 WMIC.exe Token: 33 2088 WMIC.exe Token: 34 2088 WMIC.exe Token: 35 2088 WMIC.exe Token: 36 2088 WMIC.exe Token: SeIncreaseQuotaPrivilege 2088 WMIC.exe Token: SeSecurityPrivilege 2088 WMIC.exe Token: SeTakeOwnershipPrivilege 2088 WMIC.exe Token: SeLoadDriverPrivilege 2088 WMIC.exe Token: SeSystemProfilePrivilege 2088 WMIC.exe Token: SeSystemtimePrivilege 2088 WMIC.exe Token: SeProfSingleProcessPrivilege 2088 WMIC.exe Token: SeIncBasePriorityPrivilege 2088 WMIC.exe Token: SeCreatePagefilePrivilege 2088 WMIC.exe Token: SeBackupPrivilege 2088 WMIC.exe Token: SeRestorePrivilege 2088 WMIC.exe Token: SeShutdownPrivilege 2088 WMIC.exe Token: SeDebugPrivilege 2088 WMIC.exe Token: SeSystemEnvironmentPrivilege 2088 WMIC.exe Token: SeRemoteShutdownPrivilege 2088 WMIC.exe Token: SeUndockPrivilege 2088 WMIC.exe Token: SeManageVolumePrivilege 2088 WMIC.exe Token: 33 2088 WMIC.exe Token: 34 2088 WMIC.exe Token: 35 2088 WMIC.exe Token: 36 2088 WMIC.exe Token: SeBackupPrivilege 4092 vssvc.exe Token: SeRestorePrivilege 4092 vssvc.exe Token: SeAuditPrivilege 4092 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 2260 !WannaDecryptor!.exe 2260 !WannaDecryptor!.exe 1056 !WannaDecryptor!.exe 1056 !WannaDecryptor!.exe 1556 !WannaDecryptor!.exe 1556 !WannaDecryptor!.exe 2396 !WannaDecryptor!.exe 2396 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 2976 wrote to memory of 4032 2976 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2976 wrote to memory of 4032 2976 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2976 wrote to memory of 4032 2976 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4032 wrote to memory of 5004 4032 cmd.exe cscript.exe PID 4032 wrote to memory of 5004 4032 cmd.exe cscript.exe PID 4032 wrote to memory of 5004 4032 cmd.exe cscript.exe PID 2976 wrote to memory of 2260 2976 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2976 wrote to memory of 2260 2976 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2976 wrote to memory of 2260 2976 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2976 wrote to memory of 3580 2976 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2976 wrote to memory of 3580 2976 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2976 wrote to memory of 3580 2976 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2976 wrote to memory of 1896 2976 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2976 wrote to memory of 1896 2976 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2976 wrote to memory of 1896 2976 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2976 wrote to memory of 2908 2976 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2976 wrote to memory of 2908 2976 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2976 wrote to memory of 2908 2976 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2976 wrote to memory of 520 2976 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2976 wrote to memory of 520 2976 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2976 wrote to memory of 520 2976 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2976 wrote to memory of 1056 2976 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2976 wrote to memory of 1056 2976 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2976 wrote to memory of 1056 2976 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2976 wrote to memory of 1460 2976 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2976 wrote to memory of 1460 2976 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2976 wrote to memory of 1460 2976 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1460 wrote to memory of 1556 1460 cmd.exe !WannaDecryptor!.exe PID 1460 wrote to memory of 1556 1460 cmd.exe !WannaDecryptor!.exe PID 1460 wrote to memory of 1556 1460 cmd.exe !WannaDecryptor!.exe PID 2976 wrote to memory of 2396 2976 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2976 wrote to memory of 2396 2976 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2976 wrote to memory of 2396 2976 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1556 wrote to memory of 3252 1556 !WannaDecryptor!.exe cmd.exe PID 1556 wrote to memory of 3252 1556 !WannaDecryptor!.exe cmd.exe PID 1556 wrote to memory of 3252 1556 !WannaDecryptor!.exe cmd.exe PID 3252 wrote to memory of 2088 3252 cmd.exe WMIC.exe PID 3252 wrote to memory of 2088 3252 cmd.exe WMIC.exe PID 3252 wrote to memory of 2088 3252 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:2976 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 202061715396972.bat2⤵
- Suspicious use of WriteProcessMemory
PID:4032 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:5004
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2260 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3580 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1896 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2908 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:520 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1056 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:1460 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1556 -
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:3252 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:2088 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:2396
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4092
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
MD526263a470c68684b69ef39d1dfe7bdc2
SHA15abc2137113ea91d212d668cb19875feeede2d92
SHA2568e44899d113bb5d8070b737508415c5bf7008b7b24c0d3c82c70290f30875b46
SHA5127c329c6ac109468c9847fe2b070b9cf108aeff49e2c83b20177a868e13871e02e3e1d4048614444381dbf6e100c3b865b7a45837f6dd49cd9321e66036005d3a
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD55bb57a3d23720595ce89d2e949c25e7b
SHA19d8482f2d57b16dd0013d1a6edc201d48fb4e716
SHA25694f79468010c0f488f210574a7a7c3fc9591579e086a91b3030d2ce3fcaff426
SHA5125e5fad493968deb24a58bc6891493c292343b73624bf4cf9d9fc3ecde41892f21a7f325269b6befd5030c314c040d949ce48a27a4fa2b5ac60be85404210aa81
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD506872854d02dab401439ca558281eac7
SHA1052c7099956afad3047ca015613c8146818e7be9
SHA2560380642a46b475e3b7aac0c1063f92a4c8f1cd777a89b3aa8eb18e5cec1eea65
SHA512f28c72749e94dab91dcca65e3a9628c0323140f1060a4080e8decc7fb47d42a067c1ac5e1378090ef2346bfb4f3eb47c416974b522af4c93ccc2f6b92da53b01
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD58161a8b2c6037de7e2313e49f3a7051f
SHA157dd5066e3c46776f209e946fdc8f68a0360423c
SHA2564eb51e7539464bd131d24634dc38f23968591e53b0b433ef78c7e09aa5056d7b
SHA512fd80d96c8b25277d4a1f67af10a028fed1c367e7c336da05cfc98ac6a149bf0690a4173d0aa8e0251eb21a3994143e1c1e8e8d0fb82c39dac54fb805c281c016
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C:\Users\Admin\AppData\Local\Temp\202061715396972.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
MD5786b4826ebe8b297419d9b23dfd7ce8d
SHA1e8d6a204c5136adcfd5af68265ef95a7164becd2
SHA256a4aec47d61a34314de636d1915ce60101cedec6d8326cce099d06c21ef5d99d5
SHA512974e2613ca5fa4935f4376955dcf546b50ccb68bb8566704f4be405e68cf60e2e881294391cf151a6023cc8d975fbc6fd209b9512daf5ecc123eb7d415fa69e5
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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/2976-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB