Analysis
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max time kernel
147s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
16-04-2024 10:05
Static task
static1
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win10v2004-20240412-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 2 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\Word\STARTUP\~SD868B.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD8675.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 4972 !WannaDecryptor!.exe 64 !WannaDecryptor!.exe 3012 !WannaDecryptor!.exe 2340 !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-1-5-21-4092317236-2027488869-1227795436-1000\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 3700 taskkill.exe 4144 taskkill.exe 4968 taskkill.exe 3820 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 4144 taskkill.exe Token: SeDebugPrivilege 3700 taskkill.exe Token: SeDebugPrivilege 3820 taskkill.exe Token: SeDebugPrivilege 4968 taskkill.exe Token: SeIncreaseQuotaPrivilege 4272 WMIC.exe Token: SeSecurityPrivilege 4272 WMIC.exe Token: SeTakeOwnershipPrivilege 4272 WMIC.exe Token: SeLoadDriverPrivilege 4272 WMIC.exe Token: SeSystemProfilePrivilege 4272 WMIC.exe Token: SeSystemtimePrivilege 4272 WMIC.exe Token: SeProfSingleProcessPrivilege 4272 WMIC.exe Token: SeIncBasePriorityPrivilege 4272 WMIC.exe Token: SeCreatePagefilePrivilege 4272 WMIC.exe Token: SeBackupPrivilege 4272 WMIC.exe Token: SeRestorePrivilege 4272 WMIC.exe Token: SeShutdownPrivilege 4272 WMIC.exe Token: SeDebugPrivilege 4272 WMIC.exe Token: SeSystemEnvironmentPrivilege 4272 WMIC.exe Token: SeRemoteShutdownPrivilege 4272 WMIC.exe Token: SeUndockPrivilege 4272 WMIC.exe Token: SeManageVolumePrivilege 4272 WMIC.exe Token: 33 4272 WMIC.exe Token: 34 4272 WMIC.exe Token: 35 4272 WMIC.exe Token: 36 4272 WMIC.exe Token: SeIncreaseQuotaPrivilege 4272 WMIC.exe Token: SeSecurityPrivilege 4272 WMIC.exe Token: SeTakeOwnershipPrivilege 4272 WMIC.exe Token: SeLoadDriverPrivilege 4272 WMIC.exe Token: SeSystemProfilePrivilege 4272 WMIC.exe Token: SeSystemtimePrivilege 4272 WMIC.exe Token: SeProfSingleProcessPrivilege 4272 WMIC.exe Token: SeIncBasePriorityPrivilege 4272 WMIC.exe Token: SeCreatePagefilePrivilege 4272 WMIC.exe Token: SeBackupPrivilege 4272 WMIC.exe Token: SeRestorePrivilege 4272 WMIC.exe Token: SeShutdownPrivilege 4272 WMIC.exe Token: SeDebugPrivilege 4272 WMIC.exe Token: SeSystemEnvironmentPrivilege 4272 WMIC.exe Token: SeRemoteShutdownPrivilege 4272 WMIC.exe Token: SeUndockPrivilege 4272 WMIC.exe Token: SeManageVolumePrivilege 4272 WMIC.exe Token: 33 4272 WMIC.exe Token: 34 4272 WMIC.exe Token: 35 4272 WMIC.exe Token: 36 4272 WMIC.exe Token: SeBackupPrivilege 4088 vssvc.exe Token: SeRestorePrivilege 4088 vssvc.exe Token: SeAuditPrivilege 4088 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 4972 !WannaDecryptor!.exe 4972 !WannaDecryptor!.exe 64 !WannaDecryptor!.exe 64 !WannaDecryptor!.exe 3012 !WannaDecryptor!.exe 3012 !WannaDecryptor!.exe 2340 !WannaDecryptor!.exe 2340 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 4704 wrote to memory of 4924 4704 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4704 wrote to memory of 4924 4704 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4704 wrote to memory of 4924 4704 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4924 wrote to memory of 2848 4924 cmd.exe cscript.exe PID 4924 wrote to memory of 2848 4924 cmd.exe cscript.exe PID 4924 wrote to memory of 2848 4924 cmd.exe cscript.exe PID 4704 wrote to memory of 4972 4704 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4704 wrote to memory of 4972 4704 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4704 wrote to memory of 4972 4704 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4704 wrote to memory of 4968 4704 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4704 wrote to memory of 4968 4704 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4704 wrote to memory of 4968 4704 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4704 wrote to memory of 3820 4704 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4704 wrote to memory of 3820 4704 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4704 wrote to memory of 3820 4704 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4704 wrote to memory of 4144 4704 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4704 wrote to memory of 4144 4704 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4704 wrote to memory of 4144 4704 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4704 wrote to memory of 3700 4704 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4704 wrote to memory of 3700 4704 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4704 wrote to memory of 3700 4704 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4704 wrote to memory of 64 4704 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4704 wrote to memory of 64 4704 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4704 wrote to memory of 64 4704 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4704 wrote to memory of 1572 4704 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4704 wrote to memory of 1572 4704 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4704 wrote to memory of 1572 4704 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1572 wrote to memory of 3012 1572 cmd.exe !WannaDecryptor!.exe PID 1572 wrote to memory of 3012 1572 cmd.exe !WannaDecryptor!.exe PID 1572 wrote to memory of 3012 1572 cmd.exe !WannaDecryptor!.exe PID 4704 wrote to memory of 2340 4704 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4704 wrote to memory of 2340 4704 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4704 wrote to memory of 2340 4704 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3012 wrote to memory of 2548 3012 !WannaDecryptor!.exe cmd.exe PID 3012 wrote to memory of 2548 3012 !WannaDecryptor!.exe cmd.exe PID 3012 wrote to memory of 2548 3012 !WannaDecryptor!.exe cmd.exe PID 2548 wrote to memory of 4272 2548 cmd.exe WMIC.exe PID 2548 wrote to memory of 4272 2548 cmd.exe WMIC.exe PID 2548 wrote to memory of 4272 2548 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:4704 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 87241713261954.bat2⤵
- Suspicious use of WriteProcessMemory
PID:4924 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:2848
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4972 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4968 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3820 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4144 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3700 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:64 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:1572 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3012 -
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:2548 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4272 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:2340
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4088
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
MD5765a488af6d776849328d75b75ab7e86
SHA19b7241332dc2d7179ba07d474ed89eaa7516f765
SHA256e15350fceba723408049adce4bf34e65b03ea5081608858f4300022b71413cf7
SHA512481a5baae28552f7483290abb3a64c32187149379e61000dab4f964959bde53729a0953fb65fadd1f1cd4c365f6c52ac218e22002dff662f30afc177e20ff87d
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD59e48398fc6bddb495f90cc527d429f95
SHA149395ff4f1a29c034572f6affa36c0b1a01959cc
SHA256b2f06c5b9267e1fbea298de611422e37129e7d14b547819b4d787fe170929333
SHA5120b5b90ae90fc521f80be5c5adc587286766b8d72f0764799f848463c8beb1f42d908f07d0533ac06f952caa5386b83630565f612a8a2ff815d89316e9b874570
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD51777a323ce685c3a90ac95acda824ee1
SHA12a40e17ee035bd3ba910e33a7be209f4a12b3242
SHA2564f5c9b859d1e823a9fa19acc7fe75d5a44c4c79bf32565fdcb56cea172c16633
SHA5123dfe253bf1f242dbd79dd19403f4ec92f7f16539388f137f773ee071b64b2de51c34d38f7bbb115768698a66d25d4019c81b25045f9a2409ad055891239b5acc
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5c8a5ec4e09a8cd8140b6eca57d36ea1d
SHA13a099dd3cb37a1127342d2b1fa93d02fa6761a4b
SHA256df7fe91cf0f0309bac3e86acc061b25f7b0e31bea4c5410408f98e2c23c79c0a
SHA5129dedbb9dc4f1ae43831e96a0dff576d691f469d3544be37552b316c934c4a20875a4f443adfffa0d098ffac723ec0fce105243f1c2b6c23153e5b32d75829f22
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C:\Users\Admin\AppData\Local\Temp\87241713261954.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
MD509c07911001d7a2fa11b991b5b5dc00f
SHA1457201222f67e3a85a8e77ec89cb2073f9c9d13d
SHA2568868d9620960ef7dd64a0a267ca4ec951d012ac9d7b5813673583055c5debd31
SHA5123972bf35a947c2332e3c032168e6bbe0bf1471413c188bf45a59c6244a1bcce3b12fe470f95225b08e360beb85e8a96e28f8557f97997f6e615e64baba069763
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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/4704-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB