Analysis
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max time kernel
147s -
max time network
129s -
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 03:04
Static task
static1
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240215-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\~SD4F45.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD4F4C.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 916 !WannaDecryptor!.exe 4252 !WannaDecryptor!.exe 3684 !WannaDecryptor!.exe 2384 !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-1-5-21-540404634-651139247-2967210625-1000\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 5008 taskkill.exe 1936 taskkill.exe 4804 taskkill.exe 1600 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 4804 taskkill.exe Token: SeDebugPrivilege 1600 taskkill.exe Token: SeDebugPrivilege 1936 taskkill.exe Token: SeDebugPrivilege 5008 taskkill.exe Token: SeIncreaseQuotaPrivilege 3800 WMIC.exe Token: SeSecurityPrivilege 3800 WMIC.exe Token: SeTakeOwnershipPrivilege 3800 WMIC.exe Token: SeLoadDriverPrivilege 3800 WMIC.exe Token: SeSystemProfilePrivilege 3800 WMIC.exe Token: SeSystemtimePrivilege 3800 WMIC.exe Token: SeProfSingleProcessPrivilege 3800 WMIC.exe Token: SeIncBasePriorityPrivilege 3800 WMIC.exe Token: SeCreatePagefilePrivilege 3800 WMIC.exe Token: SeBackupPrivilege 3800 WMIC.exe Token: SeRestorePrivilege 3800 WMIC.exe Token: SeShutdownPrivilege 3800 WMIC.exe Token: SeDebugPrivilege 3800 WMIC.exe Token: SeSystemEnvironmentPrivilege 3800 WMIC.exe Token: SeRemoteShutdownPrivilege 3800 WMIC.exe Token: SeUndockPrivilege 3800 WMIC.exe Token: SeManageVolumePrivilege 3800 WMIC.exe Token: 33 3800 WMIC.exe Token: 34 3800 WMIC.exe Token: 35 3800 WMIC.exe Token: 36 3800 WMIC.exe Token: SeIncreaseQuotaPrivilege 3800 WMIC.exe Token: SeSecurityPrivilege 3800 WMIC.exe Token: SeTakeOwnershipPrivilege 3800 WMIC.exe Token: SeLoadDriverPrivilege 3800 WMIC.exe Token: SeSystemProfilePrivilege 3800 WMIC.exe Token: SeSystemtimePrivilege 3800 WMIC.exe Token: SeProfSingleProcessPrivilege 3800 WMIC.exe Token: SeIncBasePriorityPrivilege 3800 WMIC.exe Token: SeCreatePagefilePrivilege 3800 WMIC.exe Token: SeBackupPrivilege 3800 WMIC.exe Token: SeRestorePrivilege 3800 WMIC.exe Token: SeShutdownPrivilege 3800 WMIC.exe Token: SeDebugPrivilege 3800 WMIC.exe Token: SeSystemEnvironmentPrivilege 3800 WMIC.exe Token: SeRemoteShutdownPrivilege 3800 WMIC.exe Token: SeUndockPrivilege 3800 WMIC.exe Token: SeManageVolumePrivilege 3800 WMIC.exe Token: 33 3800 WMIC.exe Token: 34 3800 WMIC.exe Token: 35 3800 WMIC.exe Token: 36 3800 WMIC.exe Token: SeBackupPrivilege 4412 vssvc.exe Token: SeRestorePrivilege 4412 vssvc.exe Token: SeAuditPrivilege 4412 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 916 !WannaDecryptor!.exe 916 !WannaDecryptor!.exe 4252 !WannaDecryptor!.exe 4252 !WannaDecryptor!.exe 3684 !WannaDecryptor!.exe 3684 !WannaDecryptor!.exe 2384 !WannaDecryptor!.exe 2384 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 4516 wrote to memory of 3172 4516 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4516 wrote to memory of 3172 4516 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4516 wrote to memory of 3172 4516 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3172 wrote to memory of 212 3172 cmd.exe cscript.exe PID 3172 wrote to memory of 212 3172 cmd.exe cscript.exe PID 3172 wrote to memory of 212 3172 cmd.exe cscript.exe PID 4516 wrote to memory of 916 4516 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4516 wrote to memory of 916 4516 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4516 wrote to memory of 916 4516 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4516 wrote to memory of 1600 4516 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4516 wrote to memory of 1600 4516 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4516 wrote to memory of 1600 4516 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4516 wrote to memory of 4804 4516 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4516 wrote to memory of 4804 4516 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4516 wrote to memory of 4804 4516 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4516 wrote to memory of 1936 4516 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4516 wrote to memory of 1936 4516 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4516 wrote to memory of 1936 4516 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4516 wrote to memory of 5008 4516 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4516 wrote to memory of 5008 4516 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4516 wrote to memory of 5008 4516 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4516 wrote to memory of 4252 4516 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4516 wrote to memory of 4252 4516 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4516 wrote to memory of 4252 4516 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4516 wrote to memory of 4268 4516 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4516 wrote to memory of 4268 4516 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4516 wrote to memory of 4268 4516 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4268 wrote to memory of 3684 4268 cmd.exe !WannaDecryptor!.exe PID 4268 wrote to memory of 3684 4268 cmd.exe !WannaDecryptor!.exe PID 4268 wrote to memory of 3684 4268 cmd.exe !WannaDecryptor!.exe PID 4516 wrote to memory of 2384 4516 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4516 wrote to memory of 2384 4516 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4516 wrote to memory of 2384 4516 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3684 wrote to memory of 3052 3684 !WannaDecryptor!.exe cmd.exe PID 3684 wrote to memory of 3052 3684 !WannaDecryptor!.exe cmd.exe PID 3684 wrote to memory of 3052 3684 !WannaDecryptor!.exe cmd.exe PID 3052 wrote to memory of 3800 3052 cmd.exe WMIC.exe PID 3052 wrote to memory of 3800 3052 cmd.exe WMIC.exe PID 3052 wrote to memory of 3800 3052 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:4516 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 110311715396684.bat2⤵
- Suspicious use of WriteProcessMemory
PID:3172 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:212
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:916 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1600 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4804 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1936 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:5008 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4252 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:4268 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3684 -
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:3052 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3800 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:2384
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4412
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
MD5b86257b00ac883e8415c830b839e9023
SHA1827e1759728b70b275fc04202c8445c68febd574
SHA2564b18925f0bb14f7e99520b2bd293bd870ad470ea3639627f48416e31879bcc55
SHA51284b22f85d37b099e00ada2d79dd6f9300e520f1d6b0400708cb0e4dfbfcac99d57d54989f8a8826562064d07affa3597f13a6e3ab6c5260270b0cb1384edc520
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD546f3322c3dfad3a427ee2d11ac781f2f
SHA1c86af13162f42066146dede61d6edf61f55d428f
SHA2563578f6a3f94910a88d7baf33ed4fdfcb0b6d2cf7123b3f5b85f6d9bfc1688751
SHA51267a28c22a60f42f57a005a8156bf2efd25a175111023263025bd3cd1ece48553cc6666f0d6d042e28bf07375a9e345f93b11b7ca276afc112b0fb9e23e26a253
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5fd942d3128fac6433ff1be17c232cdc5
SHA11d812ef72cb0eb135a9796828cab2fdf3daa92ee
SHA256b625982345396cac117944a3bf7b22d69b2f3053d05d4bca419c9937f4e5fc23
SHA5122455b0d352d326fd58ec6bedf0d5370bb9b7e47bfcc2fa2d7aa0dcc915fb6e908da5b1af558ec36616e6be77ae80c4aed1428cf5443daf2813e102352cc4f6e0
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5bcc806a11bbfe2cab3a40d72116062ae
SHA192dceee54a7e6fd12b77f11803b69755832450c7
SHA2566cfdf4fcf26a4d6a24f472e5a114d6432ec4a71bb7e9d3517e243b63569d1c08
SHA5124e7da22afbb8cee6dd1ef3f088109b64965ea5ab5148ffc6d89860d8d3b39b99417a269496a70b8fff52ab02311cc010b72e4fa79573f408217848b22d0bf814
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C:\Users\Admin\AppData\Local\Temp\110311715396684.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
MD51a6b78bf89bc795363144d0dc5bc45b1
SHA13c31bbfac245356f35152576a40c4124379f9e51
SHA256c5fb8c6a672fc4f58aaf44201a20d88cdbdf3dbebe754ab864c0df64ed1ca4f2
SHA5129a66d0251738c4eea0a1662635b62d6d4bc5670d22e1fbfa350d34a46b9878f30651465c4a41f2acff3ee1697018762e47faabaeb072daa2857c37cac58447d5
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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/4516-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB