Analysis
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max time kernel
148s -
max time network
127s -
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 03:08
Static task
static1
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240221-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\~SD6A55.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD6A6C.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 4444 !WannaDecryptor!.exe 4536 !WannaDecryptor!.exe 4960 !WannaDecryptor!.exe 2852 !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 3736 taskkill.exe 2292 taskkill.exe 3156 taskkill.exe 5080 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 5080 taskkill.exe Token: SeDebugPrivilege 3736 taskkill.exe Token: SeDebugPrivilege 2292 taskkill.exe Token: SeDebugPrivilege 3156 taskkill.exe Token: SeIncreaseQuotaPrivilege 3500 WMIC.exe Token: SeSecurityPrivilege 3500 WMIC.exe Token: SeTakeOwnershipPrivilege 3500 WMIC.exe Token: SeLoadDriverPrivilege 3500 WMIC.exe Token: SeSystemProfilePrivilege 3500 WMIC.exe Token: SeSystemtimePrivilege 3500 WMIC.exe Token: SeProfSingleProcessPrivilege 3500 WMIC.exe Token: SeIncBasePriorityPrivilege 3500 WMIC.exe Token: SeCreatePagefilePrivilege 3500 WMIC.exe Token: SeBackupPrivilege 3500 WMIC.exe Token: SeRestorePrivilege 3500 WMIC.exe Token: SeShutdownPrivilege 3500 WMIC.exe Token: SeDebugPrivilege 3500 WMIC.exe Token: SeSystemEnvironmentPrivilege 3500 WMIC.exe Token: SeRemoteShutdownPrivilege 3500 WMIC.exe Token: SeUndockPrivilege 3500 WMIC.exe Token: SeManageVolumePrivilege 3500 WMIC.exe Token: 33 3500 WMIC.exe Token: 34 3500 WMIC.exe Token: 35 3500 WMIC.exe Token: 36 3500 WMIC.exe Token: SeIncreaseQuotaPrivilege 3500 WMIC.exe Token: SeSecurityPrivilege 3500 WMIC.exe Token: SeTakeOwnershipPrivilege 3500 WMIC.exe Token: SeLoadDriverPrivilege 3500 WMIC.exe Token: SeSystemProfilePrivilege 3500 WMIC.exe Token: SeSystemtimePrivilege 3500 WMIC.exe Token: SeProfSingleProcessPrivilege 3500 WMIC.exe Token: SeIncBasePriorityPrivilege 3500 WMIC.exe Token: SeCreatePagefilePrivilege 3500 WMIC.exe Token: SeBackupPrivilege 3500 WMIC.exe Token: SeRestorePrivilege 3500 WMIC.exe Token: SeShutdownPrivilege 3500 WMIC.exe Token: SeDebugPrivilege 3500 WMIC.exe Token: SeSystemEnvironmentPrivilege 3500 WMIC.exe Token: SeRemoteShutdownPrivilege 3500 WMIC.exe Token: SeUndockPrivilege 3500 WMIC.exe Token: SeManageVolumePrivilege 3500 WMIC.exe Token: 33 3500 WMIC.exe Token: 34 3500 WMIC.exe Token: 35 3500 WMIC.exe Token: 36 3500 WMIC.exe Token: SeBackupPrivilege 536 vssvc.exe Token: SeRestorePrivilege 536 vssvc.exe Token: SeAuditPrivilege 536 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 4444 !WannaDecryptor!.exe 4444 !WannaDecryptor!.exe 4536 !WannaDecryptor!.exe 4536 !WannaDecryptor!.exe 4960 !WannaDecryptor!.exe 4960 !WannaDecryptor!.exe 2852 !WannaDecryptor!.exe 2852 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 4492 wrote to memory of 4548 4492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4492 wrote to memory of 4548 4492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4492 wrote to memory of 4548 4492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4548 wrote to memory of 2480 4548 cmd.exe cscript.exe PID 4548 wrote to memory of 2480 4548 cmd.exe cscript.exe PID 4548 wrote to memory of 2480 4548 cmd.exe cscript.exe PID 4492 wrote to memory of 4444 4492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4492 wrote to memory of 4444 4492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4492 wrote to memory of 4444 4492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4492 wrote to memory of 3156 4492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4492 wrote to memory of 3156 4492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4492 wrote to memory of 3156 4492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4492 wrote to memory of 2292 4492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4492 wrote to memory of 2292 4492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4492 wrote to memory of 2292 4492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4492 wrote to memory of 3736 4492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4492 wrote to memory of 3736 4492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4492 wrote to memory of 3736 4492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4492 wrote to memory of 5080 4492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4492 wrote to memory of 5080 4492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4492 wrote to memory of 5080 4492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4492 wrote to memory of 4536 4492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4492 wrote to memory of 4536 4492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4492 wrote to memory of 4536 4492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4492 wrote to memory of 4552 4492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4492 wrote to memory of 4552 4492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4492 wrote to memory of 4552 4492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4552 wrote to memory of 4960 4552 cmd.exe !WannaDecryptor!.exe PID 4552 wrote to memory of 4960 4552 cmd.exe !WannaDecryptor!.exe PID 4552 wrote to memory of 4960 4552 cmd.exe !WannaDecryptor!.exe PID 4492 wrote to memory of 2852 4492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4492 wrote to memory of 2852 4492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4492 wrote to memory of 2852 4492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4960 wrote to memory of 5100 4960 !WannaDecryptor!.exe cmd.exe PID 4960 wrote to memory of 5100 4960 !WannaDecryptor!.exe cmd.exe PID 4960 wrote to memory of 5100 4960 !WannaDecryptor!.exe cmd.exe PID 5100 wrote to memory of 3500 5100 cmd.exe WMIC.exe PID 5100 wrote to memory of 3500 5100 cmd.exe WMIC.exe PID 5100 wrote to memory of 3500 5100 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:4492 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 11741715396927.bat2⤵
- Suspicious use of WriteProcessMemory
PID:4548 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:2480
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4444 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3156 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2292 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3736 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:5080 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4536 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:4552 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4960 -
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:5100 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3500 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:2852
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:536
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
MD5f3341c0b49699ca6f415fe0abe3f6990
SHA1bd78ff21af4b17840f5f0460560a7d230484937f
SHA2569be7e7a46f8cc97f625f58b45c9a9f8f430bb94e061950c10897a88c50d53623
SHA512cd4f72449f481f800273726ed01b0b6dc932f975399790d70f985b241d5a17f469b8ecc4a8298372bc2277c56466b2d8342b47c1ef000e724805fe4aea2b6a10
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5e850e60838f995e69f4f1931f9248372
SHA1ee9ff84a631c4af3f38a8caac90c41420a464c02
SHA2568f1cc375a7a8f7ce874e59c1f0832643fa3e896b1a991b2bf3d2e2eb07770e8d
SHA51298f8e13cb89f71f12c6d31b068b4cc106e94885859c0c3e6961e8ad56da246212d3dd514a66e84c6fe8e98847722a788a57b50af75583070d55a1a78881b84bd
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD56e697859a658ee80253c785b446740ec
SHA196dfc3e1a5b3fef0509d3eb52eb265486391bc50
SHA2568363824bb39c7d9421fac9f78a44f104994ad105c3d57570e20e5bbd91346fa7
SHA512393fe11c50abbfb6979a81870b3cf66b54f2e9cfee8eb73519ddfddecf36d74728aeea017d0b727bb5f139088c5b29a5915436d944604892780609a47b4778e4
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD51e6bab03e5c2a166776e4d10c2e41179
SHA14658b52e5b4b277719f3593bb35afe81fd4beb00
SHA2560f45bd0fbc977efab80361d9bc3f5bea48b44ad8552fc3432ecee986cf6f5eda
SHA512e4e02da7183b273c61417d1240a48ec8eea9880fb8480bdab3a173d8d15f63cc9093c89f96a4d7ab4dfee75e37e53259dad4c8602b8819263c0287294f8308dc
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C:\Users\Admin\AppData\Local\Temp\11741715396927.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
MD594f6933ff19bdcc129ed80de1650ae25
SHA10b504a717600874f1394f9a7c7ad5df2957305cb
SHA2561339d68674b07b9d56eb08d28aa7f9787cba94dc83743a7239430217f8dce297
SHA512257e2840fbd6117bbb9b129460366692ffff03886aa3daf2b9cf47b8bb77a0d0fd19163773ca2a3f9340a004fcba86a387f3ab83a31fea4e74b9ee7f2bb929ad
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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/4492-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB