Analysis
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max time kernel
148s -
max time network
152s -
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 03:11
Static task
static1
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240419-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\Word\STARTUP\~SD5A7E.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD5A67.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 4272 !WannaDecryptor!.exe 3580 !WannaDecryptor!.exe 3672 !WannaDecryptor!.exe 3116 !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-1-5-21-1337824034-2731376981-3755436523-1000\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 4720 taskkill.exe 4416 taskkill.exe 5104 taskkill.exe 4068 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 4720 taskkill.exe Token: SeDebugPrivilege 5104 taskkill.exe Token: SeDebugPrivilege 4068 taskkill.exe Token: SeDebugPrivilege 4416 taskkill.exe Token: SeIncreaseQuotaPrivilege 3196 WMIC.exe Token: SeSecurityPrivilege 3196 WMIC.exe Token: SeTakeOwnershipPrivilege 3196 WMIC.exe Token: SeLoadDriverPrivilege 3196 WMIC.exe Token: SeSystemProfilePrivilege 3196 WMIC.exe Token: SeSystemtimePrivilege 3196 WMIC.exe Token: SeProfSingleProcessPrivilege 3196 WMIC.exe Token: SeIncBasePriorityPrivilege 3196 WMIC.exe Token: SeCreatePagefilePrivilege 3196 WMIC.exe Token: SeBackupPrivilege 3196 WMIC.exe Token: SeRestorePrivilege 3196 WMIC.exe Token: SeShutdownPrivilege 3196 WMIC.exe Token: SeDebugPrivilege 3196 WMIC.exe Token: SeSystemEnvironmentPrivilege 3196 WMIC.exe Token: SeRemoteShutdownPrivilege 3196 WMIC.exe Token: SeUndockPrivilege 3196 WMIC.exe Token: SeManageVolumePrivilege 3196 WMIC.exe Token: 33 3196 WMIC.exe Token: 34 3196 WMIC.exe Token: 35 3196 WMIC.exe Token: 36 3196 WMIC.exe Token: SeIncreaseQuotaPrivilege 3196 WMIC.exe Token: SeSecurityPrivilege 3196 WMIC.exe Token: SeTakeOwnershipPrivilege 3196 WMIC.exe Token: SeLoadDriverPrivilege 3196 WMIC.exe Token: SeSystemProfilePrivilege 3196 WMIC.exe Token: SeSystemtimePrivilege 3196 WMIC.exe Token: SeProfSingleProcessPrivilege 3196 WMIC.exe Token: SeIncBasePriorityPrivilege 3196 WMIC.exe Token: SeCreatePagefilePrivilege 3196 WMIC.exe Token: SeBackupPrivilege 3196 WMIC.exe Token: SeRestorePrivilege 3196 WMIC.exe Token: SeShutdownPrivilege 3196 WMIC.exe Token: SeDebugPrivilege 3196 WMIC.exe Token: SeSystemEnvironmentPrivilege 3196 WMIC.exe Token: SeRemoteShutdownPrivilege 3196 WMIC.exe Token: SeUndockPrivilege 3196 WMIC.exe Token: SeManageVolumePrivilege 3196 WMIC.exe Token: 33 3196 WMIC.exe Token: 34 3196 WMIC.exe Token: 35 3196 WMIC.exe Token: 36 3196 WMIC.exe Token: SeBackupPrivilege 2024 vssvc.exe Token: SeRestorePrivilege 2024 vssvc.exe Token: SeAuditPrivilege 2024 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 4272 !WannaDecryptor!.exe 4272 !WannaDecryptor!.exe 3580 !WannaDecryptor!.exe 3580 !WannaDecryptor!.exe 3672 !WannaDecryptor!.exe 3672 !WannaDecryptor!.exe 3116 !WannaDecryptor!.exe 3116 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 4580 wrote to memory of 3576 4580 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4580 wrote to memory of 3576 4580 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4580 wrote to memory of 3576 4580 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3576 wrote to memory of 2372 3576 cmd.exe cscript.exe PID 3576 wrote to memory of 2372 3576 cmd.exe cscript.exe PID 3576 wrote to memory of 2372 3576 cmd.exe cscript.exe PID 4580 wrote to memory of 4272 4580 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4580 wrote to memory of 4272 4580 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4580 wrote to memory of 4272 4580 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4580 wrote to memory of 4720 4580 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4580 wrote to memory of 4720 4580 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4580 wrote to memory of 4720 4580 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4580 wrote to memory of 4068 4580 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4580 wrote to memory of 4068 4580 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4580 wrote to memory of 4068 4580 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4580 wrote to memory of 5104 4580 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4580 wrote to memory of 5104 4580 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4580 wrote to memory of 5104 4580 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4580 wrote to memory of 4416 4580 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4580 wrote to memory of 4416 4580 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4580 wrote to memory of 4416 4580 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4580 wrote to memory of 3580 4580 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4580 wrote to memory of 3580 4580 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4580 wrote to memory of 3580 4580 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4580 wrote to memory of 4668 4580 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4580 wrote to memory of 4668 4580 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4580 wrote to memory of 4668 4580 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4668 wrote to memory of 3672 4668 cmd.exe !WannaDecryptor!.exe PID 4668 wrote to memory of 3672 4668 cmd.exe !WannaDecryptor!.exe PID 4668 wrote to memory of 3672 4668 cmd.exe !WannaDecryptor!.exe PID 4580 wrote to memory of 3116 4580 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4580 wrote to memory of 3116 4580 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4580 wrote to memory of 3116 4580 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3672 wrote to memory of 1020 3672 !WannaDecryptor!.exe cmd.exe PID 3672 wrote to memory of 1020 3672 !WannaDecryptor!.exe cmd.exe PID 3672 wrote to memory of 1020 3672 !WannaDecryptor!.exe cmd.exe PID 1020 wrote to memory of 3196 1020 cmd.exe WMIC.exe PID 1020 wrote to memory of 3196 1020 cmd.exe WMIC.exe PID 1020 wrote to memory of 3196 1020 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:4580 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 229701715397109.bat2⤵
- Suspicious use of WriteProcessMemory
PID:3576 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:2372
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4272 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4720 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4068 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:5104 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4416 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3580 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:4668 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3672 -
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:1020 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3196 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:3116
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2024
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
MD50ad05725a86620d9bf9130871dfdc1d0
SHA1e5683f0b3819986951cc9681fd904a2281000aeb
SHA2562fdd8122d5ae9803687c428cd46666163f87b10e41bc3530ebb8248f3d3f38d5
SHA512e5b1bd3966caa8ee028682f58f6a8b76e391294471ac059d57937f7305c76344150914af3c342afb833cbc0e3ee9d11a4ed3a2fcc65436d62d738e721f15cfaf
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5abf5b22bfed85991ad9d43ecb2fc17d4
SHA1eb5f28ae33622df4d4778a0aeccfeac660c294f7
SHA256f934d8e254fd98df9eba85997bd40eb48ec480ddfe085e5b6ade4f8788596c1b
SHA51207a1998c5ae804ca3830931a11e4973eeadcb8b85f3f5ae0968d4b817ead88bafb78aa3631c56163161eb10612bf4ce70322a52e1487f0ecf51343de6f81933d
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD577fdc1c63432adb7f69b2a34f0ff97d8
SHA15d14db91367e9bc695db1a939b0987fabbe38988
SHA256c746ec91fac2a3df413a8f0a3f3e164ba3f00075fb0f879ec2c7602aa150b884
SHA512bedc6ad18a37ea606fd0695683aa270c54824253ccfd175cbedbc73abecd0a1677e5a6c39d9c85c44079fc3aab5adffcb3fe30ddd0110a5c08216162681bfc3f
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5f85108ac9580d0ecefbc6db2c82da98e
SHA15428729cb853f5468f379373a4e318a591cb947f
SHA2564fc7138bda4f0b71fd0acf8662d0d1cf60447aabf799a1ec583397b81f371167
SHA5123fd7822c21a7b54d47a7fa1979caeb45a2b1369e561be23a18a478910f178b81aea3cf6eb55b2dc27cafd12e48e7036f913c7d2ef2d31b5299ef9b0565382635
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C:\Users\Admin\AppData\Local\Temp\229701715397109.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
MD55a9a7cc351d798102aaa1a3ec99c935d
SHA184bbd769b7a8fa77d7b78a2267a1c75d2ecd7b0e
SHA2561f20152337106448c835bc5d69ec3213ffefb88cb84066accce023a88500d84a
SHA5128f74bff2ea5a2124885383ee04a0775e8c0ae5431e9bef6d115f36985c473ca969269dc6aa136e5513eb464adf617ae3a6a3b0dbff12da71351ca63bba524b17
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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/4580-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB