Analysis
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max time kernel
148s -
max time network
109s -
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
win7-20240221-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\~SD3AB3.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD3ACA.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 4752 !WannaDecryptor!.exe 2812 !WannaDecryptor!.exe 2808 !WannaDecryptor!.exe 4508 !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-1-5-21-1162180587-977231257-2194346871-1000\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 1892 taskkill.exe 2728 taskkill.exe 5096 taskkill.exe 4624 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 1892 taskkill.exe Token: SeDebugPrivilege 5096 taskkill.exe Token: SeDebugPrivilege 2728 taskkill.exe Token: SeDebugPrivilege 4624 taskkill.exe Token: SeIncreaseQuotaPrivilege 4688 WMIC.exe Token: SeSecurityPrivilege 4688 WMIC.exe Token: SeTakeOwnershipPrivilege 4688 WMIC.exe Token: SeLoadDriverPrivilege 4688 WMIC.exe Token: SeSystemProfilePrivilege 4688 WMIC.exe Token: SeSystemtimePrivilege 4688 WMIC.exe Token: SeProfSingleProcessPrivilege 4688 WMIC.exe Token: SeIncBasePriorityPrivilege 4688 WMIC.exe Token: SeCreatePagefilePrivilege 4688 WMIC.exe Token: SeBackupPrivilege 4688 WMIC.exe Token: SeRestorePrivilege 4688 WMIC.exe Token: SeShutdownPrivilege 4688 WMIC.exe Token: SeDebugPrivilege 4688 WMIC.exe Token: SeSystemEnvironmentPrivilege 4688 WMIC.exe Token: SeRemoteShutdownPrivilege 4688 WMIC.exe Token: SeUndockPrivilege 4688 WMIC.exe Token: SeManageVolumePrivilege 4688 WMIC.exe Token: 33 4688 WMIC.exe Token: 34 4688 WMIC.exe Token: 35 4688 WMIC.exe Token: 36 4688 WMIC.exe Token: SeIncreaseQuotaPrivilege 4688 WMIC.exe Token: SeSecurityPrivilege 4688 WMIC.exe Token: SeTakeOwnershipPrivilege 4688 WMIC.exe Token: SeLoadDriverPrivilege 4688 WMIC.exe Token: SeSystemProfilePrivilege 4688 WMIC.exe Token: SeSystemtimePrivilege 4688 WMIC.exe Token: SeProfSingleProcessPrivilege 4688 WMIC.exe Token: SeIncBasePriorityPrivilege 4688 WMIC.exe Token: SeCreatePagefilePrivilege 4688 WMIC.exe Token: SeBackupPrivilege 4688 WMIC.exe Token: SeRestorePrivilege 4688 WMIC.exe Token: SeShutdownPrivilege 4688 WMIC.exe Token: SeDebugPrivilege 4688 WMIC.exe Token: SeSystemEnvironmentPrivilege 4688 WMIC.exe Token: SeRemoteShutdownPrivilege 4688 WMIC.exe Token: SeUndockPrivilege 4688 WMIC.exe Token: SeManageVolumePrivilege 4688 WMIC.exe Token: 33 4688 WMIC.exe Token: 34 4688 WMIC.exe Token: 35 4688 WMIC.exe Token: 36 4688 WMIC.exe Token: SeBackupPrivilege 3984 vssvc.exe Token: SeRestorePrivilege 3984 vssvc.exe Token: SeAuditPrivilege 3984 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 4752 !WannaDecryptor!.exe 4752 !WannaDecryptor!.exe 2812 !WannaDecryptor!.exe 2812 !WannaDecryptor!.exe 2808 !WannaDecryptor!.exe 2808 !WannaDecryptor!.exe 4508 !WannaDecryptor!.exe 4508 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 1224 wrote to memory of 1932 1224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1224 wrote to memory of 1932 1224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1224 wrote to memory of 1932 1224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1932 wrote to memory of 4052 1932 cmd.exe cscript.exe PID 1932 wrote to memory of 4052 1932 cmd.exe cscript.exe PID 1932 wrote to memory of 4052 1932 cmd.exe cscript.exe PID 1224 wrote to memory of 4752 1224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1224 wrote to memory of 4752 1224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1224 wrote to memory of 4752 1224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1224 wrote to memory of 1892 1224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1224 wrote to memory of 1892 1224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1224 wrote to memory of 1892 1224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1224 wrote to memory of 2728 1224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1224 wrote to memory of 2728 1224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1224 wrote to memory of 2728 1224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1224 wrote to memory of 5096 1224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1224 wrote to memory of 5096 1224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1224 wrote to memory of 5096 1224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1224 wrote to memory of 4624 1224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1224 wrote to memory of 4624 1224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1224 wrote to memory of 4624 1224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1224 wrote to memory of 2812 1224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1224 wrote to memory of 2812 1224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1224 wrote to memory of 2812 1224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1224 wrote to memory of 2128 1224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1224 wrote to memory of 2128 1224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1224 wrote to memory of 2128 1224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2128 wrote to memory of 2808 2128 cmd.exe !WannaDecryptor!.exe PID 2128 wrote to memory of 2808 2128 cmd.exe !WannaDecryptor!.exe PID 2128 wrote to memory of 2808 2128 cmd.exe !WannaDecryptor!.exe PID 1224 wrote to memory of 4508 1224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1224 wrote to memory of 4508 1224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1224 wrote to memory of 4508 1224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2808 wrote to memory of 3972 2808 !WannaDecryptor!.exe cmd.exe PID 2808 wrote to memory of 3972 2808 !WannaDecryptor!.exe cmd.exe PID 2808 wrote to memory of 3972 2808 !WannaDecryptor!.exe cmd.exe PID 3972 wrote to memory of 4688 3972 cmd.exe WMIC.exe PID 3972 wrote to memory of 4688 3972 cmd.exe WMIC.exe PID 3972 wrote to memory of 4688 3972 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:1224 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 268081715627257.bat2⤵
- Suspicious use of WriteProcessMemory
PID:1932 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:4052
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4752 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1892 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2728 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:5096 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4624 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2812 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:2128 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2808 -
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:3972 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4688 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:4508
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3984
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
MD5f87f6dee5983112d719ed010acd4e3d1
SHA1e2caf1c0eadba3207fc0dc32e0e1f5d5231c7535
SHA256fb84b52d16113e32ef3d37ebeb20ffcf55526a08f2dd373f0d13ffce8c3e03e7
SHA512af310fc69eae31424852e39b43cd2f484015ba110d8d60819edc6aa52775cbfcf61339f013f0c0ac355c8a12373b5f42639a908803ba080eb3684d68015b5d9e
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD53594a9d05fe02853d5eb0d4d8a88f416
SHA1c8caa9d975af3a62252a094378613c86441758f6
SHA2567e7d391b14d40756bd1513fa46b35d911fd778cc6919db4e93a2f040a2b7ae8b
SHA5127805d383aeb91db567d4109f046f1e4932f5087eafc44978a096225ee15d0535c422e3575d68d4cce22aefd2b9b80783e75bef6bcdf599406378a55d791f98a4
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5604d7b470a54a7f75d361ac8053fa433
SHA1748b8bdbb862ef3f820b70f09b9e81c9bf6b91e6
SHA256ac4f3b1a404674168bb1abd716204b9936369cc79746cde74b7beb89f15df607
SHA51269f5c205765d78de2b2218f7af43ba62ac2abe92b157baa4d1277659d9002b154aa505af22916dbf17c31014dd6893b7f0f185746739d987d134183284f00139
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD525a55ce45b2ab396801fd7f511f1e2a5
SHA1662af7688ef8801975eecb70c31a836140ec070c
SHA256f090b659b285118a37b042819f23dfe2853f13bf2aec97b698c486716c17d67b
SHA5123dfcc80603887db4569707ff7cd4fdc215eea281b2c9b1232a53712a3892adf36a2fda3710b429a93dcb6706bd4baa4772f0473e0733471b6fd4d17e1893314a
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C:\Users\Admin\AppData\Local\Temp\268081715627257.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
MD54a7b0541181b2adbc1065b62d6046b35
SHA15f18a9fa11b342ec2560f800610d8e0101698364
SHA2560a3ce92d6334e3f09bdd71b4c688ce1fbb2c37d67e961f240025e8fcd0caff48
SHA512a99948e0f4d4101704480c69f9cd0ac1e0f48fb36b80b644f7f9fa13f4938f6d4c50dd759d1da7b91b7b24d912005a26ef0b55c07cfdfa3bcd632740940f654d
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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/1224-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB