Analysis
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max time kernel
148s -
max time network
153s -
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 03:11
Static task
static1
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240508-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\~SD6EB1.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD6ED7.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 3652 !WannaDecryptor!.exe 4944 !WannaDecryptor!.exe 3800 !WannaDecryptor!.exe 1176 !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-1-5-21-3571316656-3665257725-2415531812-1000\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 4932 taskkill.exe 4596 taskkill.exe 4332 taskkill.exe 540 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 4932 taskkill.exe Token: SeDebugPrivilege 540 taskkill.exe Token: SeDebugPrivilege 4332 taskkill.exe Token: SeDebugPrivilege 4596 taskkill.exe Token: SeIncreaseQuotaPrivilege 2956 WMIC.exe Token: SeSecurityPrivilege 2956 WMIC.exe Token: SeTakeOwnershipPrivilege 2956 WMIC.exe Token: SeLoadDriverPrivilege 2956 WMIC.exe Token: SeSystemProfilePrivilege 2956 WMIC.exe Token: SeSystemtimePrivilege 2956 WMIC.exe Token: SeProfSingleProcessPrivilege 2956 WMIC.exe Token: SeIncBasePriorityPrivilege 2956 WMIC.exe Token: SeCreatePagefilePrivilege 2956 WMIC.exe Token: SeBackupPrivilege 2956 WMIC.exe Token: SeRestorePrivilege 2956 WMIC.exe Token: SeShutdownPrivilege 2956 WMIC.exe Token: SeDebugPrivilege 2956 WMIC.exe Token: SeSystemEnvironmentPrivilege 2956 WMIC.exe Token: SeRemoteShutdownPrivilege 2956 WMIC.exe Token: SeUndockPrivilege 2956 WMIC.exe Token: SeManageVolumePrivilege 2956 WMIC.exe Token: 33 2956 WMIC.exe Token: 34 2956 WMIC.exe Token: 35 2956 WMIC.exe Token: 36 2956 WMIC.exe Token: SeIncreaseQuotaPrivilege 2956 WMIC.exe Token: SeSecurityPrivilege 2956 WMIC.exe Token: SeTakeOwnershipPrivilege 2956 WMIC.exe Token: SeLoadDriverPrivilege 2956 WMIC.exe Token: SeSystemProfilePrivilege 2956 WMIC.exe Token: SeSystemtimePrivilege 2956 WMIC.exe Token: SeProfSingleProcessPrivilege 2956 WMIC.exe Token: SeIncBasePriorityPrivilege 2956 WMIC.exe Token: SeCreatePagefilePrivilege 2956 WMIC.exe Token: SeBackupPrivilege 2956 WMIC.exe Token: SeRestorePrivilege 2956 WMIC.exe Token: SeShutdownPrivilege 2956 WMIC.exe Token: SeDebugPrivilege 2956 WMIC.exe Token: SeSystemEnvironmentPrivilege 2956 WMIC.exe Token: SeRemoteShutdownPrivilege 2956 WMIC.exe Token: SeUndockPrivilege 2956 WMIC.exe Token: SeManageVolumePrivilege 2956 WMIC.exe Token: 33 2956 WMIC.exe Token: 34 2956 WMIC.exe Token: 35 2956 WMIC.exe Token: 36 2956 WMIC.exe Token: SeBackupPrivilege 2232 vssvc.exe Token: SeRestorePrivilege 2232 vssvc.exe Token: SeAuditPrivilege 2232 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 3652 !WannaDecryptor!.exe 3652 !WannaDecryptor!.exe 4944 !WannaDecryptor!.exe 4944 !WannaDecryptor!.exe 3800 !WannaDecryptor!.exe 3800 !WannaDecryptor!.exe 1176 !WannaDecryptor!.exe 1176 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 1076 wrote to memory of 2732 1076 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1076 wrote to memory of 2732 1076 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1076 wrote to memory of 2732 1076 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2732 wrote to memory of 2548 2732 cmd.exe cscript.exe PID 2732 wrote to memory of 2548 2732 cmd.exe cscript.exe PID 2732 wrote to memory of 2548 2732 cmd.exe cscript.exe PID 1076 wrote to memory of 3652 1076 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1076 wrote to memory of 3652 1076 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1076 wrote to memory of 3652 1076 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1076 wrote to memory of 540 1076 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1076 wrote to memory of 540 1076 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1076 wrote to memory of 540 1076 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1076 wrote to memory of 4932 1076 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1076 wrote to memory of 4932 1076 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1076 wrote to memory of 4932 1076 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1076 wrote to memory of 4596 1076 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1076 wrote to memory of 4596 1076 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1076 wrote to memory of 4596 1076 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1076 wrote to memory of 4332 1076 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1076 wrote to memory of 4332 1076 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1076 wrote to memory of 4332 1076 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1076 wrote to memory of 4944 1076 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1076 wrote to memory of 4944 1076 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1076 wrote to memory of 4944 1076 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1076 wrote to memory of 4296 1076 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1076 wrote to memory of 4296 1076 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1076 wrote to memory of 4296 1076 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4296 wrote to memory of 3800 4296 cmd.exe !WannaDecryptor!.exe PID 4296 wrote to memory of 3800 4296 cmd.exe !WannaDecryptor!.exe PID 4296 wrote to memory of 3800 4296 cmd.exe !WannaDecryptor!.exe PID 1076 wrote to memory of 1176 1076 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1076 wrote to memory of 1176 1076 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1076 wrote to memory of 1176 1076 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3800 wrote to memory of 2328 3800 !WannaDecryptor!.exe cmd.exe PID 3800 wrote to memory of 2328 3800 !WannaDecryptor!.exe cmd.exe PID 3800 wrote to memory of 2328 3800 !WannaDecryptor!.exe cmd.exe PID 2328 wrote to memory of 2956 2328 cmd.exe WMIC.exe PID 2328 wrote to memory of 2956 2328 cmd.exe WMIC.exe PID 2328 wrote to memory of 2956 2328 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:1076 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 35191715397119.bat2⤵
- Suspicious use of WriteProcessMemory
PID:2732 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:2548
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3652 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:540 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4932 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4596 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4332 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4944 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:4296 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3800 -
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:2328 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:2956 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:1176
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2232
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
MD5d9cb9164beec7778b847614550210abc
SHA14dc206db45f72cc4170b38c63d3283b3c6d41954
SHA256700e190d7a5533f61346a5a53132e224be026151e81c64cb7328544be99c9b60
SHA512b7b952cb8e4291ac8288685e37c1f66cc68bc804b49db4919c0e7081ab52e7c3bd07c331e5e9d5497eb1ea8fa2065755932d0b78deb8cb76c2a47d3dac85f082
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5011a4e4ef2a6724c2cadb780efeb42d0
SHA14c40ec1b5cbd3e2dcfffdeb581341cd0326d8327
SHA256d4d0b056d928a24b9251f87b1788c3accad5edd7c64528608acf7e792bbf495b
SHA512eeee024ab4f8f83fc9947d05a9189ec71ce465a29302c8cb614e4d7489200224975147e2d5b372963ee2d12bf59e432cca4f14d475ad2fbbab883859606a2505
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5494a2637cd3e6a331795c6dcce2e21a1
SHA14d8871a57ff3f06ddcba4dec46051c6b5b34cbb8
SHA256a827dc64dad6b132e59f598cdaa6ef36a6adc4619ee3d791c90d0d45e8f501b6
SHA5125933658b03244dca3c5a21bec6138718a332634082ebc21c4fb1284594970264afad61baac2a9cb6608dfdd7a202c3c016dcea6e8365d8c114e19b8b1dd22ef9
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD52ba208eaf9de6b78674e1cee64b959bf
SHA1b44ab5b72c1e4baa297c89132ad65b68c9b9fce3
SHA256c458d64e71935e7996f751008d165b5ad4164930d7dba3ee78d7b252584b00d8
SHA51290274a22d596ee642145758327e41dfdcd0a3b8973a26a596e644c52f15abe4d6c0813515ad4e99670ab02926d174b787c818950750cbcbdf5b5f8cd16213b38
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C:\Users\Admin\AppData\Local\Temp\35191715397119.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
MD5cb82c89164529607af4c8cb549b781fc
SHA1bfe8deb8734de212ebd2cf3a74947b9381f868f3
SHA256b3bd569b6dcda35910ba6133f76ec83ff84b2ae1acb0663191ddbc5b6ad5a147
SHA5123d058b2ac0bc74236f6f2bd7ae12c574d62b4558ed74c395d2e23cd584fe5f85b30943e160c7c0253a5c533727b46b749ea7fa090fe7eccca27d20a3678a997b
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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/1076-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB