Analysis
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max time kernel
147s -
max time network
108s -
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 19:06
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\~SD45FE.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD4615.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 1040 !WannaDecryptor!.exe 1088 !WannaDecryptor!.exe 3176 !WannaDecryptor!.exe 4244 !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-1-5-21-3906287020-2915474608-1755617787-1000\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 1948 taskkill.exe 2104 taskkill.exe 3668 taskkill.exe 2428 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 2104 taskkill.exe Token: SeDebugPrivilege 1948 taskkill.exe Token: SeDebugPrivilege 2428 taskkill.exe Token: SeDebugPrivilege 3668 taskkill.exe Token: SeIncreaseQuotaPrivilege 4288 WMIC.exe Token: SeSecurityPrivilege 4288 WMIC.exe Token: SeTakeOwnershipPrivilege 4288 WMIC.exe Token: SeLoadDriverPrivilege 4288 WMIC.exe Token: SeSystemProfilePrivilege 4288 WMIC.exe Token: SeSystemtimePrivilege 4288 WMIC.exe Token: SeProfSingleProcessPrivilege 4288 WMIC.exe Token: SeIncBasePriorityPrivilege 4288 WMIC.exe Token: SeCreatePagefilePrivilege 4288 WMIC.exe Token: SeBackupPrivilege 4288 WMIC.exe Token: SeRestorePrivilege 4288 WMIC.exe Token: SeShutdownPrivilege 4288 WMIC.exe Token: SeDebugPrivilege 4288 WMIC.exe Token: SeSystemEnvironmentPrivilege 4288 WMIC.exe Token: SeRemoteShutdownPrivilege 4288 WMIC.exe Token: SeUndockPrivilege 4288 WMIC.exe Token: SeManageVolumePrivilege 4288 WMIC.exe Token: 33 4288 WMIC.exe Token: 34 4288 WMIC.exe Token: 35 4288 WMIC.exe Token: 36 4288 WMIC.exe Token: SeIncreaseQuotaPrivilege 4288 WMIC.exe Token: SeSecurityPrivilege 4288 WMIC.exe Token: SeTakeOwnershipPrivilege 4288 WMIC.exe Token: SeLoadDriverPrivilege 4288 WMIC.exe Token: SeSystemProfilePrivilege 4288 WMIC.exe Token: SeSystemtimePrivilege 4288 WMIC.exe Token: SeProfSingleProcessPrivilege 4288 WMIC.exe Token: SeIncBasePriorityPrivilege 4288 WMIC.exe Token: SeCreatePagefilePrivilege 4288 WMIC.exe Token: SeBackupPrivilege 4288 WMIC.exe Token: SeRestorePrivilege 4288 WMIC.exe Token: SeShutdownPrivilege 4288 WMIC.exe Token: SeDebugPrivilege 4288 WMIC.exe Token: SeSystemEnvironmentPrivilege 4288 WMIC.exe Token: SeRemoteShutdownPrivilege 4288 WMIC.exe Token: SeUndockPrivilege 4288 WMIC.exe Token: SeManageVolumePrivilege 4288 WMIC.exe Token: 33 4288 WMIC.exe Token: 34 4288 WMIC.exe Token: 35 4288 WMIC.exe Token: 36 4288 WMIC.exe Token: SeBackupPrivilege 1196 vssvc.exe Token: SeRestorePrivilege 1196 vssvc.exe Token: SeAuditPrivilege 1196 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 1040 !WannaDecryptor!.exe 1040 !WannaDecryptor!.exe 1088 !WannaDecryptor!.exe 1088 !WannaDecryptor!.exe 3176 !WannaDecryptor!.exe 3176 !WannaDecryptor!.exe 4244 !WannaDecryptor!.exe 4244 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 3144 wrote to memory of 5024 3144 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3144 wrote to memory of 5024 3144 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3144 wrote to memory of 5024 3144 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 5024 wrote to memory of 4904 5024 cmd.exe cscript.exe PID 5024 wrote to memory of 4904 5024 cmd.exe cscript.exe PID 5024 wrote to memory of 4904 5024 cmd.exe cscript.exe PID 3144 wrote to memory of 1040 3144 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3144 wrote to memory of 1040 3144 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3144 wrote to memory of 1040 3144 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3144 wrote to memory of 1948 3144 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3144 wrote to memory of 1948 3144 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3144 wrote to memory of 1948 3144 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3144 wrote to memory of 2428 3144 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3144 wrote to memory of 2428 3144 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3144 wrote to memory of 2428 3144 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3144 wrote to memory of 3668 3144 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3144 wrote to memory of 3668 3144 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3144 wrote to memory of 3668 3144 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3144 wrote to memory of 2104 3144 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3144 wrote to memory of 2104 3144 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3144 wrote to memory of 2104 3144 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3144 wrote to memory of 1088 3144 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3144 wrote to memory of 1088 3144 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3144 wrote to memory of 1088 3144 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3144 wrote to memory of 620 3144 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3144 wrote to memory of 620 3144 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3144 wrote to memory of 620 3144 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 620 wrote to memory of 3176 620 cmd.exe !WannaDecryptor!.exe PID 620 wrote to memory of 3176 620 cmd.exe !WannaDecryptor!.exe PID 620 wrote to memory of 3176 620 cmd.exe !WannaDecryptor!.exe PID 3144 wrote to memory of 4244 3144 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3144 wrote to memory of 4244 3144 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3144 wrote to memory of 4244 3144 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3176 wrote to memory of 3204 3176 !WannaDecryptor!.exe cmd.exe PID 3176 wrote to memory of 3204 3176 !WannaDecryptor!.exe cmd.exe PID 3176 wrote to memory of 3204 3176 !WannaDecryptor!.exe cmd.exe PID 3204 wrote to memory of 4288 3204 cmd.exe WMIC.exe PID 3204 wrote to memory of 4288 3204 cmd.exe WMIC.exe PID 3204 wrote to memory of 4288 3204 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:3144 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 33271715627272.bat2⤵
- Suspicious use of WriteProcessMemory
PID:5024 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:4904
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1040 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1948 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2428 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3668 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2104 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1088 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:620 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3176 -
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:3204 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4288 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:4244
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1196
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
MD5d0c7940dafbe9a2f24a2908011d6e25d
SHA1b26b8efce44da25fc2e60daa13c995a0cd97bbc3
SHA2566a21076e5d5f2688e5ccdb5147b4476a4be3bb90f86532dc02b9a128fd581f60
SHA5129112d4e2deb77f4c694007261ccd25100dc76ac82af98d73ffcdc30e1d364401b84e8ca79ede83526d22a0ed8100a5d610ceb2c42d15dd6563ebabb0557a3886
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD508bd2bac78bcaca4746480c10569ccba
SHA134acac16ade77810e28de2df3c12cc0f437b3ac0
SHA25650237cf2e7891aadc5030348e7591843d0098397ae471141debc297c2d871e0c
SHA51282980f84dbd84f8f0f533d33d84c72ee6088b1f77f4dbf4b452b8d7a0c267e09e0d8b8e54bdd577ca9a040c3ba5909857a81a8cd5de97a9214ac6623d5670ec5
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD52d59704f4c94e91479cddcfac4828110
SHA112c8263fd410b41628064f2eb6e7d0cf397be974
SHA256f8c0509e8cbc0829e6733ceeabd3aaf58a54ac3c0a76df5ed824d2b805f542ba
SHA5126851b8f7722e50e7ae7984c28ec645e65767a538495f61394bd50949e390cb9fcdd1893ac2cc10b4c9ed0994e25587f43db0313f44e79bdb68a689b1ab541f9a
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD559306bbb3e59e2aa0c4a054c81b1bf1d
SHA1002a097202cda3912481721e8558546b92830c45
SHA256d9734410985853d841d381d34697569cfa70dcb4379e6d4973ef5e0d2d3c790d
SHA5125339832a836459804377fc2e2b1d857e0eda35c9a804aa92fde23d9c1e845022efc45b3e82c9be5e8b02f6060138b1daaf50504abc6725998e588eee233db55c
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C:\Users\Admin\AppData\Local\Temp\33271715627272.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
MD5051b9e34fab28f50ee27aa3a312ed381
SHA16aa1dd4e1cae40a81bfd00f72b235d081e67cd31
SHA256bc3e23c5956047c803370293c404cfa671239c417f54fdafa3d01b7667f28a82
SHA5128c070fac4019a0010bbec93c608faeded1513049cffb41581b457eda9a6a140a86f672758f626427bd5a5448f873eddaee02a808e35d09f08d4e77b24a986f99
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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/3144-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB