Analysis
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max time kernel
148s -
max time network
154s -
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 03:05
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\~SD57A1.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD57A8.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 3496 !WannaDecryptor!.exe 4340 !WannaDecryptor!.exe 2624 !WannaDecryptor!.exe 1724 !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 3872 taskkill.exe 1924 taskkill.exe 4084 taskkill.exe 4444 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 3872 taskkill.exe Token: SeDebugPrivilege 4444 taskkill.exe Token: SeDebugPrivilege 4084 taskkill.exe Token: SeDebugPrivilege 1924 taskkill.exe Token: SeIncreaseQuotaPrivilege 4980 WMIC.exe Token: SeSecurityPrivilege 4980 WMIC.exe Token: SeTakeOwnershipPrivilege 4980 WMIC.exe Token: SeLoadDriverPrivilege 4980 WMIC.exe Token: SeSystemProfilePrivilege 4980 WMIC.exe Token: SeSystemtimePrivilege 4980 WMIC.exe Token: SeProfSingleProcessPrivilege 4980 WMIC.exe Token: SeIncBasePriorityPrivilege 4980 WMIC.exe Token: SeCreatePagefilePrivilege 4980 WMIC.exe Token: SeBackupPrivilege 4980 WMIC.exe Token: SeRestorePrivilege 4980 WMIC.exe Token: SeShutdownPrivilege 4980 WMIC.exe Token: SeDebugPrivilege 4980 WMIC.exe Token: SeSystemEnvironmentPrivilege 4980 WMIC.exe Token: SeRemoteShutdownPrivilege 4980 WMIC.exe Token: SeUndockPrivilege 4980 WMIC.exe Token: SeManageVolumePrivilege 4980 WMIC.exe Token: 33 4980 WMIC.exe Token: 34 4980 WMIC.exe Token: 35 4980 WMIC.exe Token: 36 4980 WMIC.exe Token: SeIncreaseQuotaPrivilege 4980 WMIC.exe Token: SeSecurityPrivilege 4980 WMIC.exe Token: SeTakeOwnershipPrivilege 4980 WMIC.exe Token: SeLoadDriverPrivilege 4980 WMIC.exe Token: SeSystemProfilePrivilege 4980 WMIC.exe Token: SeSystemtimePrivilege 4980 WMIC.exe Token: SeProfSingleProcessPrivilege 4980 WMIC.exe Token: SeIncBasePriorityPrivilege 4980 WMIC.exe Token: SeCreatePagefilePrivilege 4980 WMIC.exe Token: SeBackupPrivilege 4980 WMIC.exe Token: SeRestorePrivilege 4980 WMIC.exe Token: SeShutdownPrivilege 4980 WMIC.exe Token: SeDebugPrivilege 4980 WMIC.exe Token: SeSystemEnvironmentPrivilege 4980 WMIC.exe Token: SeRemoteShutdownPrivilege 4980 WMIC.exe Token: SeUndockPrivilege 4980 WMIC.exe Token: SeManageVolumePrivilege 4980 WMIC.exe Token: 33 4980 WMIC.exe Token: 34 4980 WMIC.exe Token: 35 4980 WMIC.exe Token: 36 4980 WMIC.exe Token: SeBackupPrivilege 4548 vssvc.exe Token: SeRestorePrivilege 4548 vssvc.exe Token: SeAuditPrivilege 4548 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 3496 !WannaDecryptor!.exe 3496 !WannaDecryptor!.exe 4340 !WannaDecryptor!.exe 4340 !WannaDecryptor!.exe 2624 !WannaDecryptor!.exe 2624 !WannaDecryptor!.exe 1724 !WannaDecryptor!.exe 1724 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 4112 wrote to memory of 3264 4112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4112 wrote to memory of 3264 4112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4112 wrote to memory of 3264 4112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3264 wrote to memory of 2648 3264 cmd.exe cscript.exe PID 3264 wrote to memory of 2648 3264 cmd.exe cscript.exe PID 3264 wrote to memory of 2648 3264 cmd.exe cscript.exe PID 4112 wrote to memory of 3496 4112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4112 wrote to memory of 3496 4112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4112 wrote to memory of 3496 4112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4112 wrote to memory of 1924 4112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4112 wrote to memory of 1924 4112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4112 wrote to memory of 1924 4112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4112 wrote to memory of 3872 4112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4112 wrote to memory of 3872 4112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4112 wrote to memory of 3872 4112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4112 wrote to memory of 4444 4112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4112 wrote to memory of 4444 4112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4112 wrote to memory of 4444 4112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4112 wrote to memory of 4084 4112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4112 wrote to memory of 4084 4112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4112 wrote to memory of 4084 4112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4112 wrote to memory of 4340 4112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4112 wrote to memory of 4340 4112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4112 wrote to memory of 4340 4112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4112 wrote to memory of 1664 4112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4112 wrote to memory of 1664 4112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4112 wrote to memory of 1664 4112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1664 wrote to memory of 2624 1664 cmd.exe !WannaDecryptor!.exe PID 1664 wrote to memory of 2624 1664 cmd.exe !WannaDecryptor!.exe PID 1664 wrote to memory of 2624 1664 cmd.exe !WannaDecryptor!.exe PID 4112 wrote to memory of 1724 4112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4112 wrote to memory of 1724 4112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4112 wrote to memory of 1724 4112 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2624 wrote to memory of 2336 2624 !WannaDecryptor!.exe cmd.exe PID 2624 wrote to memory of 2336 2624 !WannaDecryptor!.exe cmd.exe PID 2624 wrote to memory of 2336 2624 !WannaDecryptor!.exe cmd.exe PID 2336 wrote to memory of 4980 2336 cmd.exe WMIC.exe PID 2336 wrote to memory of 4980 2336 cmd.exe WMIC.exe PID 2336 wrote to memory of 4980 2336 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:4112 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 181241715396744.bat2⤵
- Suspicious use of WriteProcessMemory
PID:3264 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:2648
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3496 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1924 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3872 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4444 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4084 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4340 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:1664 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2624 -
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:2336 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4980 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:1724
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4548
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
MD5392320f9bdeeaa055bdd2ca10002d05c
SHA1d7a9d23f084948efed629630f5fa08289f5d7519
SHA256f7b3a08922033314b0d3b43ca5922dac66d2ae6fda74cfc83819d383e801d89c
SHA512879324e8e24b679fbcf3ccacc30f761c50e723d52f97eab82b6b2d0aeb6075b0085364e435cb41e49632b186cefcc8e04a95d946b207c69294342cbc9416ff80
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5f83ff749193ede49cd6b524c94922999
SHA1dbf3cbdb0b9f3b7494c0135e23216d877447f88f
SHA2563d0d98dc3c7dc4bb8f449fe31bc1303f11640e568a86045d37741796aa245346
SHA5120e865954a5dcf7c3687a6a8d8750f17544bcf25d06e61baff092314e3117c15531606c3be20c3945bcb2ec04a20ce030da66048cf8c975d4717f7c741d56428d
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD530158bd37515cd9e4d6f89aafe9182ab
SHA1a22442d3700e32ea9ff6ee996e8a82a6fced5093
SHA2568d3c34f02f2a668378e4ba5ed0b1b70bec742e5e5f13422f80c64d11b289472b
SHA5125da9fab8dad24346f551cd3259167a3ef47ae7c4ad042c70eb9cc3a5c2fabd7aa90b5aed833aa2d3b44624f8a13622a4e62144ca62563c39d98e4344f018305a
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5c91fd213574e3327c8b8d1cecdbbbf82
SHA1c406c292f04f86477786e203b58c489c96807efa
SHA2568b06d64bb41ec280d074a2a4c15970a5dfeb11f0807e800b17d22963dd5ae1e2
SHA5125fc561ca46cf68bc74340c58458537cd70092193188ba139b5f920afd7cc1fa9c6f53db5a1906d8dfdb505dfbe308036af7a9ed67a3a28d3a5d37c4da9be27e8
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C:\Users\Admin\AppData\Local\Temp\181241715396744.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
MD573a520e57b78ae9bdd66f5a90c050a98
SHA1bfe66efa838b16415a0cfd185ef05710103d385f
SHA256a4b4aadd0b9eec34686935dfd28722629a71657175a17e931081064f4ee1c434
SHA512764ba8884ee4e14f3ca7a1b7b2ad94bc99527553939012c7e0e4e674d259956b5ffc2398907a962c272fe86256dc5d5efeecd31eedcf9f2f3438e8c107a91616
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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/4112-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB