Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
13-05-2024 21:08
Static task
static1
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240419-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
-
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\~SD5C8A.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD5C91.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 4724 !WannaDecryptor!.exe 3092 !WannaDecryptor!.exe 4836 !WannaDecryptor!.exe 1260 !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 884 taskkill.exe 948 taskkill.exe 2680 taskkill.exe 2984 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 948 taskkill.exe Token: SeDebugPrivilege 2680 taskkill.exe Token: SeDebugPrivilege 884 taskkill.exe Token: SeDebugPrivilege 2984 taskkill.exe Token: SeIncreaseQuotaPrivilege 3944 WMIC.exe Token: SeSecurityPrivilege 3944 WMIC.exe Token: SeTakeOwnershipPrivilege 3944 WMIC.exe Token: SeLoadDriverPrivilege 3944 WMIC.exe Token: SeSystemProfilePrivilege 3944 WMIC.exe Token: SeSystemtimePrivilege 3944 WMIC.exe Token: SeProfSingleProcessPrivilege 3944 WMIC.exe Token: SeIncBasePriorityPrivilege 3944 WMIC.exe Token: SeCreatePagefilePrivilege 3944 WMIC.exe Token: SeBackupPrivilege 3944 WMIC.exe Token: SeRestorePrivilege 3944 WMIC.exe Token: SeShutdownPrivilege 3944 WMIC.exe Token: SeDebugPrivilege 3944 WMIC.exe Token: SeSystemEnvironmentPrivilege 3944 WMIC.exe Token: SeRemoteShutdownPrivilege 3944 WMIC.exe Token: SeUndockPrivilege 3944 WMIC.exe Token: SeManageVolumePrivilege 3944 WMIC.exe Token: 33 3944 WMIC.exe Token: 34 3944 WMIC.exe Token: 35 3944 WMIC.exe Token: 36 3944 WMIC.exe Token: SeIncreaseQuotaPrivilege 3944 WMIC.exe Token: SeSecurityPrivilege 3944 WMIC.exe Token: SeTakeOwnershipPrivilege 3944 WMIC.exe Token: SeLoadDriverPrivilege 3944 WMIC.exe Token: SeSystemProfilePrivilege 3944 WMIC.exe Token: SeSystemtimePrivilege 3944 WMIC.exe Token: SeProfSingleProcessPrivilege 3944 WMIC.exe Token: SeIncBasePriorityPrivilege 3944 WMIC.exe Token: SeCreatePagefilePrivilege 3944 WMIC.exe Token: SeBackupPrivilege 3944 WMIC.exe Token: SeRestorePrivilege 3944 WMIC.exe Token: SeShutdownPrivilege 3944 WMIC.exe Token: SeDebugPrivilege 3944 WMIC.exe Token: SeSystemEnvironmentPrivilege 3944 WMIC.exe Token: SeRemoteShutdownPrivilege 3944 WMIC.exe Token: SeUndockPrivilege 3944 WMIC.exe Token: SeManageVolumePrivilege 3944 WMIC.exe Token: 33 3944 WMIC.exe Token: 34 3944 WMIC.exe Token: 35 3944 WMIC.exe Token: 36 3944 WMIC.exe Token: SeBackupPrivilege 2988 vssvc.exe Token: SeRestorePrivilege 2988 vssvc.exe Token: SeAuditPrivilege 2988 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 4724 !WannaDecryptor!.exe 4724 !WannaDecryptor!.exe 3092 !WannaDecryptor!.exe 3092 !WannaDecryptor!.exe 4836 !WannaDecryptor!.exe 4836 !WannaDecryptor!.exe 1260 !WannaDecryptor!.exe 1260 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 540 wrote to memory of 3272 540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 540 wrote to memory of 3272 540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 540 wrote to memory of 3272 540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3272 wrote to memory of 228 3272 cmd.exe cscript.exe PID 3272 wrote to memory of 228 3272 cmd.exe cscript.exe PID 3272 wrote to memory of 228 3272 cmd.exe cscript.exe PID 540 wrote to memory of 4724 540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 540 wrote to memory of 4724 540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 540 wrote to memory of 4724 540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 540 wrote to memory of 2984 540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 540 wrote to memory of 2984 540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 540 wrote to memory of 2984 540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 540 wrote to memory of 884 540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 540 wrote to memory of 884 540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 540 wrote to memory of 884 540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 540 wrote to memory of 948 540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 540 wrote to memory of 948 540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 540 wrote to memory of 948 540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 540 wrote to memory of 2680 540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 540 wrote to memory of 2680 540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 540 wrote to memory of 2680 540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 540 wrote to memory of 3092 540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 540 wrote to memory of 3092 540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 540 wrote to memory of 3092 540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 540 wrote to memory of 4936 540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 540 wrote to memory of 4936 540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 540 wrote to memory of 4936 540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4936 wrote to memory of 4836 4936 cmd.exe !WannaDecryptor!.exe PID 4936 wrote to memory of 4836 4936 cmd.exe !WannaDecryptor!.exe PID 4936 wrote to memory of 4836 4936 cmd.exe !WannaDecryptor!.exe PID 540 wrote to memory of 1260 540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 540 wrote to memory of 1260 540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 540 wrote to memory of 1260 540 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4836 wrote to memory of 2984 4836 !WannaDecryptor!.exe cmd.exe PID 4836 wrote to memory of 2984 4836 !WannaDecryptor!.exe cmd.exe PID 4836 wrote to memory of 2984 4836 !WannaDecryptor!.exe cmd.exe PID 2984 wrote to memory of 3944 2984 cmd.exe WMIC.exe PID 2984 wrote to memory of 3944 2984 cmd.exe WMIC.exe PID 2984 wrote to memory of 3944 2984 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:540 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 253701715634524.bat2⤵
- Suspicious use of WriteProcessMemory
PID:3272 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:228
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4724 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2984 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:884 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:948 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2680 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3092 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:4936 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4836 -
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:2984 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3944 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:1260
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2988
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
MD5140b7776cf9aa6779f7a9f2e732dbdad
SHA15f13a699db3f7dba320f511dcdaa0b24be8fa7e2
SHA256a91ade4ab63b255f57bdf49427892e53e94df622d5508f3249f902ebd0c2ee53
SHA5128eea6270f07f56ea0bd702638fc9197e16fe90d786063137d51200e0ecdf09cdc5a6270e896da01b45f9a9868c5801c7f8ed659fd22e58c441e11b29ecc185eb
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD529cd1f7c9530894e6adf3c7086852c33
SHA1b54d3350deb6259d7f45a4b71224be498941822e
SHA2569a1eedfe39d4c7192211178c59a1f9b50674b858bd23ae24f0bc0820aa932e09
SHA5121868af2bd5530d446f89360c85ac8d030fa812cd45a47ca11dc56743a208aa15b449a9aae8e6627ad7f724a601823d73d79caa367160da4bed29be1f4c53ee52
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5915fc9aa04f4238e1c2cf34fde775313
SHA198810df48e9b40a6cb29de63774e6a65a654aa0f
SHA256c481dc758374edd3e7e9286e9209738a09cf9b339fe8162bf10c37d3f215d6b2
SHA51228ce9ca2f4d52bce657535401578ab1266e53dc5386fb7a0f1ba0848abd51e0ff15fed99a2de8adb2bd77e7be9c7099040b8ad5c788eacd9c2d112e908bd35a9
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD55efcd9292cd10050d3b0795a40e38391
SHA1ad8aa4327b195ab19647bde398d9ad9605fc8c83
SHA256d852505aee539a289ea1bc0d2fd66e538d2c14b4cb715f04a59110666065441a
SHA512d69753fbc51a28e1cde8de21f1eb047da8b859195eb1f1c7cbac664780abe7fa19a4ad59203a64767e152525ee84c55bd9ce72d08408f7569a786df5bfa519e2
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C:\Users\Admin\AppData\Local\Temp\253701715634524.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
MD5db8baaf5c2a0e3cc17465f44225714f2
SHA11f83d0de706be83d594e663b593fee4ba0c43aa9
SHA2561c0b973df0dd1beba7555f5faff708f21b589a16e29630f75f1df0481b8f71c0
SHA512e290febbeb9932778e433bd5e6184bd1df0a6aaa0871e64e3b358a14c52cf10c1477deb8c1c7fef203d50dd37b0230ba2af9a877eecbf2e03cf1438fe7c86c12
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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/540-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB