Analysis
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max time kernel
146s -
max time network
101s -
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 03:02
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\~SD49F6.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD4A1C.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 3772 !WannaDecryptor!.exe 1652 !WannaDecryptor!.exe 4664 !WannaDecryptor!.exe 5116 !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-1-5-21-4018855536-2201274732-320770143-1000\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 1276 taskkill.exe 4988 taskkill.exe 2956 taskkill.exe 1652 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 1276 taskkill.exe Token: SeDebugPrivilege 1652 taskkill.exe Token: SeDebugPrivilege 2956 taskkill.exe Token: SeDebugPrivilege 4988 taskkill.exe Token: SeIncreaseQuotaPrivilege 4024 WMIC.exe Token: SeSecurityPrivilege 4024 WMIC.exe Token: SeTakeOwnershipPrivilege 4024 WMIC.exe Token: SeLoadDriverPrivilege 4024 WMIC.exe Token: SeSystemProfilePrivilege 4024 WMIC.exe Token: SeSystemtimePrivilege 4024 WMIC.exe Token: SeProfSingleProcessPrivilege 4024 WMIC.exe Token: SeIncBasePriorityPrivilege 4024 WMIC.exe Token: SeCreatePagefilePrivilege 4024 WMIC.exe Token: SeBackupPrivilege 4024 WMIC.exe Token: SeRestorePrivilege 4024 WMIC.exe Token: SeShutdownPrivilege 4024 WMIC.exe Token: SeDebugPrivilege 4024 WMIC.exe Token: SeSystemEnvironmentPrivilege 4024 WMIC.exe Token: SeRemoteShutdownPrivilege 4024 WMIC.exe Token: SeUndockPrivilege 4024 WMIC.exe Token: SeManageVolumePrivilege 4024 WMIC.exe Token: 33 4024 WMIC.exe Token: 34 4024 WMIC.exe Token: 35 4024 WMIC.exe Token: 36 4024 WMIC.exe Token: SeIncreaseQuotaPrivilege 4024 WMIC.exe Token: SeSecurityPrivilege 4024 WMIC.exe Token: SeTakeOwnershipPrivilege 4024 WMIC.exe Token: SeLoadDriverPrivilege 4024 WMIC.exe Token: SeSystemProfilePrivilege 4024 WMIC.exe Token: SeSystemtimePrivilege 4024 WMIC.exe Token: SeProfSingleProcessPrivilege 4024 WMIC.exe Token: SeIncBasePriorityPrivilege 4024 WMIC.exe Token: SeCreatePagefilePrivilege 4024 WMIC.exe Token: SeBackupPrivilege 4024 WMIC.exe Token: SeRestorePrivilege 4024 WMIC.exe Token: SeShutdownPrivilege 4024 WMIC.exe Token: SeDebugPrivilege 4024 WMIC.exe Token: SeSystemEnvironmentPrivilege 4024 WMIC.exe Token: SeRemoteShutdownPrivilege 4024 WMIC.exe Token: SeUndockPrivilege 4024 WMIC.exe Token: SeManageVolumePrivilege 4024 WMIC.exe Token: 33 4024 WMIC.exe Token: 34 4024 WMIC.exe Token: 35 4024 WMIC.exe Token: 36 4024 WMIC.exe Token: SeBackupPrivilege 4068 vssvc.exe Token: SeRestorePrivilege 4068 vssvc.exe Token: SeAuditPrivilege 4068 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 3772 !WannaDecryptor!.exe 3772 !WannaDecryptor!.exe 1652 !WannaDecryptor!.exe 1652 !WannaDecryptor!.exe 4664 !WannaDecryptor!.exe 4664 !WannaDecryptor!.exe 5116 !WannaDecryptor!.exe 5116 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 4540 wrote to memory of 2852 4540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4540 wrote to memory of 2852 4540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4540 wrote to memory of 2852 4540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2852 wrote to memory of 1036 2852 cmd.exe cscript.exe PID 2852 wrote to memory of 1036 2852 cmd.exe cscript.exe PID 2852 wrote to memory of 1036 2852 cmd.exe cscript.exe PID 4540 wrote to memory of 3772 4540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4540 wrote to memory of 3772 4540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4540 wrote to memory of 3772 4540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4540 wrote to memory of 1276 4540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4540 wrote to memory of 1276 4540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4540 wrote to memory of 1276 4540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4540 wrote to memory of 1652 4540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4540 wrote to memory of 1652 4540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4540 wrote to memory of 1652 4540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4540 wrote to memory of 2956 4540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4540 wrote to memory of 2956 4540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4540 wrote to memory of 2956 4540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4540 wrote to memory of 4988 4540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4540 wrote to memory of 4988 4540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4540 wrote to memory of 4988 4540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4540 wrote to memory of 1652 4540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4540 wrote to memory of 1652 4540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4540 wrote to memory of 1652 4540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4540 wrote to memory of 4580 4540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4540 wrote to memory of 4580 4540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4540 wrote to memory of 4580 4540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4580 wrote to memory of 4664 4580 cmd.exe !WannaDecryptor!.exe PID 4580 wrote to memory of 4664 4580 cmd.exe !WannaDecryptor!.exe PID 4580 wrote to memory of 4664 4580 cmd.exe !WannaDecryptor!.exe PID 4540 wrote to memory of 5116 4540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4540 wrote to memory of 5116 4540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4540 wrote to memory of 5116 4540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4664 wrote to memory of 2484 4664 !WannaDecryptor!.exe cmd.exe PID 4664 wrote to memory of 2484 4664 !WannaDecryptor!.exe cmd.exe PID 4664 wrote to memory of 2484 4664 !WannaDecryptor!.exe cmd.exe PID 2484 wrote to memory of 4024 2484 cmd.exe WMIC.exe PID 2484 wrote to memory of 4024 2484 cmd.exe WMIC.exe PID 2484 wrote to memory of 4024 2484 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:4540 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 70011715396528.bat2⤵
- Suspicious use of WriteProcessMemory
PID:2852 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:1036
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3772 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1276 -
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:2956 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4988 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1652 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:4580 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4664 -
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:2484 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4024 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:5116
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4068
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
MD5e26ef0c11da69aaef45d29ae90bc6817
SHA1084edc2e9d2fec39775d287f58698ec7c2213be6
SHA25682e90ee4c9ba013e96ee83bc244ffb04e1fdf3e4d49e25749c67217c0915cbeb
SHA5120dc71ad2f2b2f01047607b1c32db9695ff8b6f553a196b5588add8de565f89f6b51dec20c3f2537e57bdb8f1dc9beaa334e00e34f09028d68d18bca122d6f9fb
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD58b6bd2c6f33e7121232bd445b582fc81
SHA15d7d0f87b85126a0ff95919d693201ffbfaac2d1
SHA256740fa77aa9b83d0e13f96af8f660471eaf83f6d1f4b2a2d673ca02afb5922ac5
SHA512bbf8abd4cfc8354a1c82e2cb0a4f8aa2915c549e7d252e5b53131bc6ca0170374f84ebe45c3140414b7bdde3e98bca261e432b53212a67612d3fba5068f36110
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD566a9a0bff5f9c22d4fd3e2eebb58a37a
SHA174e79e80d37501c0ea1df4885fff208c7ddf6f2e
SHA2563730f75dcb5e64f08d68bd7d73f5d64cd366d402e2bf91f1761207a19bb5eb00
SHA512f44be5529f755f3418586bc2dab136761b76ac4ece74df7e5ccd3c14aaa4df736e4e9dc19d6938608f70b796301feb05b7514a81bc5df60e9b1a8e5e8edd4e16
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD54b96e54615499e0c0d53ec441c966ee3
SHA155ec39608c91c20653c439427e24c5a9dd5d62e1
SHA256779522d25be1a2a226d06846d61ebc9ac002ce9e938c77a384680406923beb2f
SHA5127404815d8e4599d6e5eac66a3238ddf132f8045f9b42c6db0fe17eda55db58c874b00dd57f3076a8ecf18a69e2adc00479aa163966fa4a0a37d37fc2694f2dce
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C:\Users\Admin\AppData\Local\Temp\70011715396528.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
MD5704ea8122ba66d6a29b5b257e95c1e25
SHA136c8781d87b07a4075c0da4e4e856e6257ae37d3
SHA25643def0b4e4942638bb9b12d18c11808a343d1a923a05284abff1eabbb695d99e
SHA512747153cb6d990ef8894cc77efe15631b077a070d8ae0d3e2ce074e0230135ab03797e50606f061453a1233bf2586d0823f1188a3639fbb0661091fc85589cca7
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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/4540-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB