Analysis
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max time kernel
149s -
max time network
123s -
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 03:05
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\~SD6B91.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD6BA8.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 3156 !WannaDecryptor!.exe 4840 !WannaDecryptor!.exe 4048 !WannaDecryptor!.exe 2268 !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 2356 taskkill.exe 512 taskkill.exe 1168 taskkill.exe 4996 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 512 taskkill.exe Token: SeDebugPrivilege 4996 taskkill.exe Token: SeDebugPrivilege 2356 taskkill.exe Token: SeDebugPrivilege 1168 taskkill.exe Token: SeIncreaseQuotaPrivilege 2536 WMIC.exe Token: SeSecurityPrivilege 2536 WMIC.exe Token: SeTakeOwnershipPrivilege 2536 WMIC.exe Token: SeLoadDriverPrivilege 2536 WMIC.exe Token: SeSystemProfilePrivilege 2536 WMIC.exe Token: SeSystemtimePrivilege 2536 WMIC.exe Token: SeProfSingleProcessPrivilege 2536 WMIC.exe Token: SeIncBasePriorityPrivilege 2536 WMIC.exe Token: SeCreatePagefilePrivilege 2536 WMIC.exe Token: SeBackupPrivilege 2536 WMIC.exe Token: SeRestorePrivilege 2536 WMIC.exe Token: SeShutdownPrivilege 2536 WMIC.exe Token: SeDebugPrivilege 2536 WMIC.exe Token: SeSystemEnvironmentPrivilege 2536 WMIC.exe Token: SeRemoteShutdownPrivilege 2536 WMIC.exe Token: SeUndockPrivilege 2536 WMIC.exe Token: SeManageVolumePrivilege 2536 WMIC.exe Token: 33 2536 WMIC.exe Token: 34 2536 WMIC.exe Token: 35 2536 WMIC.exe Token: 36 2536 WMIC.exe Token: SeIncreaseQuotaPrivilege 2536 WMIC.exe Token: SeSecurityPrivilege 2536 WMIC.exe Token: SeTakeOwnershipPrivilege 2536 WMIC.exe Token: SeLoadDriverPrivilege 2536 WMIC.exe Token: SeSystemProfilePrivilege 2536 WMIC.exe Token: SeSystemtimePrivilege 2536 WMIC.exe Token: SeProfSingleProcessPrivilege 2536 WMIC.exe Token: SeIncBasePriorityPrivilege 2536 WMIC.exe Token: SeCreatePagefilePrivilege 2536 WMIC.exe Token: SeBackupPrivilege 2536 WMIC.exe Token: SeRestorePrivilege 2536 WMIC.exe Token: SeShutdownPrivilege 2536 WMIC.exe Token: SeDebugPrivilege 2536 WMIC.exe Token: SeSystemEnvironmentPrivilege 2536 WMIC.exe Token: SeRemoteShutdownPrivilege 2536 WMIC.exe Token: SeUndockPrivilege 2536 WMIC.exe Token: SeManageVolumePrivilege 2536 WMIC.exe Token: 33 2536 WMIC.exe Token: 34 2536 WMIC.exe Token: 35 2536 WMIC.exe Token: 36 2536 WMIC.exe Token: SeBackupPrivilege 4332 vssvc.exe Token: SeRestorePrivilege 4332 vssvc.exe Token: SeAuditPrivilege 4332 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 3156 !WannaDecryptor!.exe 3156 !WannaDecryptor!.exe 4840 !WannaDecryptor!.exe 4840 !WannaDecryptor!.exe 4048 !WannaDecryptor!.exe 4048 !WannaDecryptor!.exe 2268 !WannaDecryptor!.exe 2268 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 4772 wrote to memory of 2924 4772 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4772 wrote to memory of 2924 4772 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4772 wrote to memory of 2924 4772 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2924 wrote to memory of 2828 2924 cmd.exe cscript.exe PID 2924 wrote to memory of 2828 2924 cmd.exe cscript.exe PID 2924 wrote to memory of 2828 2924 cmd.exe cscript.exe PID 4772 wrote to memory of 3156 4772 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4772 wrote to memory of 3156 4772 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4772 wrote to memory of 3156 4772 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4772 wrote to memory of 4996 4772 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4772 wrote to memory of 4996 4772 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4772 wrote to memory of 4996 4772 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4772 wrote to memory of 1168 4772 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4772 wrote to memory of 1168 4772 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4772 wrote to memory of 1168 4772 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4772 wrote to memory of 512 4772 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4772 wrote to memory of 512 4772 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4772 wrote to memory of 512 4772 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4772 wrote to memory of 2356 4772 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4772 wrote to memory of 2356 4772 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4772 wrote to memory of 2356 4772 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4772 wrote to memory of 4840 4772 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4772 wrote to memory of 4840 4772 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4772 wrote to memory of 4840 4772 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4772 wrote to memory of 4496 4772 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4772 wrote to memory of 4496 4772 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4772 wrote to memory of 4496 4772 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4496 wrote to memory of 4048 4496 cmd.exe !WannaDecryptor!.exe PID 4496 wrote to memory of 4048 4496 cmd.exe !WannaDecryptor!.exe PID 4496 wrote to memory of 4048 4496 cmd.exe !WannaDecryptor!.exe PID 4772 wrote to memory of 2268 4772 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4772 wrote to memory of 2268 4772 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4772 wrote to memory of 2268 4772 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4048 wrote to memory of 3860 4048 !WannaDecryptor!.exe cmd.exe PID 4048 wrote to memory of 3860 4048 !WannaDecryptor!.exe cmd.exe PID 4048 wrote to memory of 3860 4048 !WannaDecryptor!.exe cmd.exe PID 3860 wrote to memory of 2536 3860 cmd.exe WMIC.exe PID 3860 wrote to memory of 2536 3860 cmd.exe WMIC.exe PID 3860 wrote to memory of 2536 3860 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:4772 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 19381715396726.bat2⤵
- Suspicious use of WriteProcessMemory
PID:2924 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:2828
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3156 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4996 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1168 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:512 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2356 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4840 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:4496 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4048 -
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:3860 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:2536 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:2268
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4332
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
MD590cf78a685a071851ddf3a7c15237480
SHA17280fa90b2204f379943f303a5d0701b8e93f4fd
SHA256e857f1368bc05f68576feb5a3aba1ff9e52f9007be0a1e7038f724558444dbb6
SHA51217446d90fc33d4e6dfc47b8f74c5f941ac4df9d3b185c6272f85c63f2a482f6ebe9adfec9bd645c58e277d7c9dfd4861430141cf5c4b0b4f5095214fec2920a0
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD51a720823170dd9723696543c1771cc45
SHA18e6281b3735a447b0f92e191729a5cb8f4a1555f
SHA2565137e25948715553b81bb5b1cd32b9f998783b615e850fa38c74d6826b031f43
SHA512a546b18797b8985186eb05a8d7b64d7e123513da33a098cd3ab5df90223651cacd872473e84ba96d6e037accbadb1b39a6a5b486a85b31cc83ebf9b01c9fa617
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD503f5525dacce8ceeefd654938df47da6
SHA127078923d24c199e6db92c45921ce9bce661606d
SHA2568324024e21592aeb7361de06198ab25588344bc78a6d3a8b24dc6d0d0b51f0eb
SHA512318ebcc1c294ac28de4b441c6aa7007c29ee04f47db73992a19aec573e029ddf7e9e5c3ed641fa916bfadd7b540b878a0be95b6ff9d71f5cc079c9ee652f1c38
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD57ae1a619ffab7b51679d980cc67c39cd
SHA187f0c9cd981648cae0ba2ca366529e44385c780f
SHA25608b62c0432dc1b6970a5a6a4734a322fcb405436a6420ef2595c25dd33253bbb
SHA512ec027886f9eafc0fe5eec229060ca5b95b829ff7d262a1e1670c39914f5ea149d3a1d28b3da167ad3c29c5f26cfd4bbb27feca17aed23133e2b4b86714a7cbee
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C:\Users\Admin\AppData\Local\Temp\19381715396726.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
MD51d944bdd82c74abf1ab89baf12c6bcbb
SHA1ffab4e65eaab8338065fff9296ebb25069ecd801
SHA256296f1dc3872626df5fa55a2ddba2aa8bacdaf59128c798ab7c8d498830f87aaa
SHA51255d5d6944f453ab163ffc6edf83e118056830386ba578d7c0ae407e8732f487b72923811e0b67ffe6a67001c24afb10fe04e81cb3e30f6d5b536efa1ae4d8492
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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/4772-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB