Analysis
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max time kernel
150s -
max time network
100s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
11-05-2024 03:05
Static task
static1
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240508-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
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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\~SD5B76.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD5B8D.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 1644 !WannaDecryptor!.exe 4636 !WannaDecryptor!.exe 3340 !WannaDecryptor!.exe 5096 !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-1-5-21-4124900551-4068476067-3491212533-1000\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 2552 taskkill.exe 3256 taskkill.exe 5028 taskkill.exe 4520 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 3256 taskkill.exe Token: SeDebugPrivilege 5028 taskkill.exe Token: SeDebugPrivilege 4520 taskkill.exe Token: SeDebugPrivilege 2552 taskkill.exe Token: SeIncreaseQuotaPrivilege 1804 WMIC.exe Token: SeSecurityPrivilege 1804 WMIC.exe Token: SeTakeOwnershipPrivilege 1804 WMIC.exe Token: SeLoadDriverPrivilege 1804 WMIC.exe Token: SeSystemProfilePrivilege 1804 WMIC.exe Token: SeSystemtimePrivilege 1804 WMIC.exe Token: SeProfSingleProcessPrivilege 1804 WMIC.exe Token: SeIncBasePriorityPrivilege 1804 WMIC.exe Token: SeCreatePagefilePrivilege 1804 WMIC.exe Token: SeBackupPrivilege 1804 WMIC.exe Token: SeRestorePrivilege 1804 WMIC.exe Token: SeShutdownPrivilege 1804 WMIC.exe Token: SeDebugPrivilege 1804 WMIC.exe Token: SeSystemEnvironmentPrivilege 1804 WMIC.exe Token: SeRemoteShutdownPrivilege 1804 WMIC.exe Token: SeUndockPrivilege 1804 WMIC.exe Token: SeManageVolumePrivilege 1804 WMIC.exe Token: 33 1804 WMIC.exe Token: 34 1804 WMIC.exe Token: 35 1804 WMIC.exe Token: 36 1804 WMIC.exe Token: SeIncreaseQuotaPrivilege 1804 WMIC.exe Token: SeSecurityPrivilege 1804 WMIC.exe Token: SeTakeOwnershipPrivilege 1804 WMIC.exe Token: SeLoadDriverPrivilege 1804 WMIC.exe Token: SeSystemProfilePrivilege 1804 WMIC.exe Token: SeSystemtimePrivilege 1804 WMIC.exe Token: SeProfSingleProcessPrivilege 1804 WMIC.exe Token: SeIncBasePriorityPrivilege 1804 WMIC.exe Token: SeCreatePagefilePrivilege 1804 WMIC.exe Token: SeBackupPrivilege 1804 WMIC.exe Token: SeRestorePrivilege 1804 WMIC.exe Token: SeShutdownPrivilege 1804 WMIC.exe Token: SeDebugPrivilege 1804 WMIC.exe Token: SeSystemEnvironmentPrivilege 1804 WMIC.exe Token: SeRemoteShutdownPrivilege 1804 WMIC.exe Token: SeUndockPrivilege 1804 WMIC.exe Token: SeManageVolumePrivilege 1804 WMIC.exe Token: 33 1804 WMIC.exe Token: 34 1804 WMIC.exe Token: 35 1804 WMIC.exe Token: 36 1804 WMIC.exe Token: SeBackupPrivilege 1484 vssvc.exe Token: SeRestorePrivilege 1484 vssvc.exe Token: SeAuditPrivilege 1484 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 1644 !WannaDecryptor!.exe 1644 !WannaDecryptor!.exe 4636 !WannaDecryptor!.exe 4636 !WannaDecryptor!.exe 3340 !WannaDecryptor!.exe 3340 !WannaDecryptor!.exe 5096 !WannaDecryptor!.exe 5096 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 2316 wrote to memory of 1744 2316 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2316 wrote to memory of 1744 2316 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2316 wrote to memory of 1744 2316 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1744 wrote to memory of 4944 1744 cmd.exe cscript.exe PID 1744 wrote to memory of 4944 1744 cmd.exe cscript.exe PID 1744 wrote to memory of 4944 1744 cmd.exe cscript.exe PID 2316 wrote to memory of 1644 2316 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2316 wrote to memory of 1644 2316 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2316 wrote to memory of 1644 2316 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2316 wrote to memory of 2552 2316 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2316 wrote to memory of 2552 2316 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2316 wrote to memory of 2552 2316 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2316 wrote to memory of 3256 2316 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2316 wrote to memory of 3256 2316 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2316 wrote to memory of 3256 2316 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2316 wrote to memory of 5028 2316 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2316 wrote to memory of 5028 2316 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2316 wrote to memory of 5028 2316 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2316 wrote to memory of 4520 2316 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2316 wrote to memory of 4520 2316 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2316 wrote to memory of 4520 2316 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2316 wrote to memory of 4636 2316 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2316 wrote to memory of 4636 2316 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2316 wrote to memory of 4636 2316 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2316 wrote to memory of 4080 2316 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2316 wrote to memory of 4080 2316 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2316 wrote to memory of 4080 2316 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4080 wrote to memory of 3340 4080 cmd.exe !WannaDecryptor!.exe PID 4080 wrote to memory of 3340 4080 cmd.exe !WannaDecryptor!.exe PID 4080 wrote to memory of 3340 4080 cmd.exe !WannaDecryptor!.exe PID 2316 wrote to memory of 5096 2316 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2316 wrote to memory of 5096 2316 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2316 wrote to memory of 5096 2316 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3340 wrote to memory of 3120 3340 !WannaDecryptor!.exe cmd.exe PID 3340 wrote to memory of 3120 3340 !WannaDecryptor!.exe cmd.exe PID 3340 wrote to memory of 3120 3340 !WannaDecryptor!.exe cmd.exe PID 3120 wrote to memory of 1804 3120 cmd.exe WMIC.exe PID 3120 wrote to memory of 1804 3120 cmd.exe WMIC.exe PID 3120 wrote to memory of 1804 3120 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:2316 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 198581715396737.bat2⤵
- Suspicious use of WriteProcessMemory
PID:1744 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:4944
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1644 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2552 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3256 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:5028 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4520 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4636 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:4080 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3340 -
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:3120 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1804 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:5096
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1484
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
MD504ef9946e232847d0da68a19529a9c5a
SHA17ddc62fd33b5ccc004b6355a37ada08c0068cbea
SHA256fe5a81eb92a654340b1b9e8154e9d42e3e42c28a8ebd38025f1905e69e2c13c8
SHA5127f859870e7423b555519776345814caa794fb52696548f945d42d6e2e188fdadb47debf4539f63e1a834d7eb6c4d1b006197886525a717b26d7b61329c8f8874
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD541ed21f93ed5e576f4f05cbe77994d28
SHA1b7b96014d1cce3dbf71c450f79e1ae6ed66b38ff
SHA2564e4d70135c27dcb62bbdc6b8edcbc321170e8eb32c33cfa830cdc597f51e7524
SHA512b2cee25f6c539c28d9084b58165a3d4c20fad1aa852e4a7194ade7ae7aa62ca419780d0d13f6bb83326bf7a700115c7f4105e79eb2422071699347767030ce1c
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5a57ce402cfc19105f2cb3c1a8058c493
SHA1e0591cd3f9db4f506743fdfa5ee27052ae1ebc0c
SHA25614d53b788bfde67375751cecc060970ca660520c2cc3786bfe86dadd2f425e66
SHA512040249dfc6cdcd061e7a647c21dc48806006407fd121b9f04e952724dd8c0f7a40819b5ecc329603221f86c3810970b5a6ab391d046e15dcce2c24415b0faf66
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5b411bec8f06bac68afc24136490c1a3e
SHA1eb36c96431cb154b4aa63e2b551f78f1c82025dc
SHA256c026678004fb49219abc9d0f7c9bf1f356c90e38fd0d073f94afc3b2df1334a8
SHA51288573cbf5cac7e9d02ca3dd44e0323ac5cb090d171b226dab69a9fee93bbb99793155d83744db867dc3443c403dfa691fef93bcdc6ae97e3bffef38effc8c611
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C:\Users\Admin\AppData\Local\Temp\198581715396737.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
MD5eae45e1da1be9db87749d053eb6af1f8
SHA173bfb03f2530bedcd148d0671afbd25a39d430d3
SHA256a5ba2facaa51aa817ca869eff24f300c1adc704da016e929d1918a3f631c8155
SHA51244f5d2491c2420b77dfd710c130fecac99a9011d28d04b51da632867cc37b1a311e2a5065b1eb69a105809bbc3fa5229822fc5e93e82d9cfeddf81d69a9413bb
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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/2316-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB