Analysis
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max time kernel
148s -
max time network
152s -
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 03:06
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\~SD6EFF.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD6F16.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 400 !WannaDecryptor!.exe 1192 !WannaDecryptor!.exe 2436 !WannaDecryptor!.exe 3052 !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 5008 taskkill.exe 1748 taskkill.exe 1092 taskkill.exe 4724 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 4724 taskkill.exe Token: SeDebugPrivilege 5008 taskkill.exe Token: SeDebugPrivilege 1092 taskkill.exe Token: SeDebugPrivilege 1748 taskkill.exe Token: SeIncreaseQuotaPrivilege 1496 WMIC.exe Token: SeSecurityPrivilege 1496 WMIC.exe Token: SeTakeOwnershipPrivilege 1496 WMIC.exe Token: SeLoadDriverPrivilege 1496 WMIC.exe Token: SeSystemProfilePrivilege 1496 WMIC.exe Token: SeSystemtimePrivilege 1496 WMIC.exe Token: SeProfSingleProcessPrivilege 1496 WMIC.exe Token: SeIncBasePriorityPrivilege 1496 WMIC.exe Token: SeCreatePagefilePrivilege 1496 WMIC.exe Token: SeBackupPrivilege 1496 WMIC.exe Token: SeRestorePrivilege 1496 WMIC.exe Token: SeShutdownPrivilege 1496 WMIC.exe Token: SeDebugPrivilege 1496 WMIC.exe Token: SeSystemEnvironmentPrivilege 1496 WMIC.exe Token: SeRemoteShutdownPrivilege 1496 WMIC.exe Token: SeUndockPrivilege 1496 WMIC.exe Token: SeManageVolumePrivilege 1496 WMIC.exe Token: 33 1496 WMIC.exe Token: 34 1496 WMIC.exe Token: 35 1496 WMIC.exe Token: 36 1496 WMIC.exe Token: SeIncreaseQuotaPrivilege 1496 WMIC.exe Token: SeSecurityPrivilege 1496 WMIC.exe Token: SeTakeOwnershipPrivilege 1496 WMIC.exe Token: SeLoadDriverPrivilege 1496 WMIC.exe Token: SeSystemProfilePrivilege 1496 WMIC.exe Token: SeSystemtimePrivilege 1496 WMIC.exe Token: SeProfSingleProcessPrivilege 1496 WMIC.exe Token: SeIncBasePriorityPrivilege 1496 WMIC.exe Token: SeCreatePagefilePrivilege 1496 WMIC.exe Token: SeBackupPrivilege 1496 WMIC.exe Token: SeRestorePrivilege 1496 WMIC.exe Token: SeShutdownPrivilege 1496 WMIC.exe Token: SeDebugPrivilege 1496 WMIC.exe Token: SeSystemEnvironmentPrivilege 1496 WMIC.exe Token: SeRemoteShutdownPrivilege 1496 WMIC.exe Token: SeUndockPrivilege 1496 WMIC.exe Token: SeManageVolumePrivilege 1496 WMIC.exe Token: 33 1496 WMIC.exe Token: 34 1496 WMIC.exe Token: 35 1496 WMIC.exe Token: 36 1496 WMIC.exe Token: SeBackupPrivilege 5012 vssvc.exe Token: SeRestorePrivilege 5012 vssvc.exe Token: SeAuditPrivilege 5012 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 400 !WannaDecryptor!.exe 400 !WannaDecryptor!.exe 1192 !WannaDecryptor!.exe 1192 !WannaDecryptor!.exe 2436 !WannaDecryptor!.exe 2436 !WannaDecryptor!.exe 3052 !WannaDecryptor!.exe 3052 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 3532 wrote to memory of 3552 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3532 wrote to memory of 3552 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3532 wrote to memory of 3552 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3552 wrote to memory of 3640 3552 cmd.exe cscript.exe PID 3552 wrote to memory of 3640 3552 cmd.exe cscript.exe PID 3552 wrote to memory of 3640 3552 cmd.exe cscript.exe PID 3532 wrote to memory of 400 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3532 wrote to memory of 400 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3532 wrote to memory of 400 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3532 wrote to memory of 5008 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3532 wrote to memory of 5008 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3532 wrote to memory of 5008 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3532 wrote to memory of 4724 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3532 wrote to memory of 4724 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3532 wrote to memory of 4724 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3532 wrote to memory of 1092 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3532 wrote to memory of 1092 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3532 wrote to memory of 1092 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3532 wrote to memory of 1748 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3532 wrote to memory of 1748 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3532 wrote to memory of 1748 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3532 wrote to memory of 1192 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3532 wrote to memory of 1192 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3532 wrote to memory of 1192 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3532 wrote to memory of 1256 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3532 wrote to memory of 1256 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3532 wrote to memory of 1256 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1256 wrote to memory of 2436 1256 cmd.exe !WannaDecryptor!.exe PID 1256 wrote to memory of 2436 1256 cmd.exe !WannaDecryptor!.exe PID 1256 wrote to memory of 2436 1256 cmd.exe !WannaDecryptor!.exe PID 3532 wrote to memory of 3052 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3532 wrote to memory of 3052 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3532 wrote to memory of 3052 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2436 wrote to memory of 980 2436 !WannaDecryptor!.exe cmd.exe PID 2436 wrote to memory of 980 2436 !WannaDecryptor!.exe cmd.exe PID 2436 wrote to memory of 980 2436 !WannaDecryptor!.exe cmd.exe PID 980 wrote to memory of 1496 980 cmd.exe WMIC.exe PID 980 wrote to memory of 1496 980 cmd.exe WMIC.exe PID 980 wrote to memory of 1496 980 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:3532 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 43871715396838.bat2⤵
- Suspicious use of WriteProcessMemory
PID:3552 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:3640
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:400 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:5008 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4724 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1092 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1748 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1192 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:1256 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2436 -
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:980 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1496 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:3052
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:5012
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
MD5a13b7ec6a823169771be6dbd63bd9e9b
SHA10782dd3494acdab274884756885840769a879dbb
SHA25683045d4672818c43be26f13e61d1ab822be9b03281c7ad5fbff53e4115a62ae2
SHA512bae2ee41c90e9489ca520776e1ea0910cbd440e2c3a09cefa9d0c6794e60fc7267fa65d83788f0e6f6129fdb1d29cc5e488ed27e894eb82d6fcbcfc1ddfc5d95
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD58d9db3abee215038fe34df42bf0e7cd6
SHA105a3cac53d27940f959894db3a73e9d0740eadbe
SHA2564cc32fa5a07428faa29ee7a7877259d8f141d3b4a22423471c53d26291f8314a
SHA5129bc398dd9aaf8a2a70a108f234011485fb5c410d091e6c81e4a5c646502d8556b03d2de256eaf7634a948cfe206be1e9134e3b27e5527b5f904ceee7415d8432
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5f341415f02e1fe8cd3ef2cba08937d27
SHA1a57be62afaaa3e9223319790379d0ef46284a63a
SHA2562566c0f9214baf92dc3bf6c3972bd2f8bf9c1b66d4f8effbe0f9654e00fab051
SHA51290f72c0ca7f7d8b28986354fffcea81ae6737ea4f4785476d5a0a3e5065459cc5366ec91f1b5df7975e2fa29c8b58b1688af5392bd6bcf190da619c44ca026d1
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD51987e342735b0a15949ed92655042933
SHA156586e3d0896e567162f03ff6d39adff84e45113
SHA256159f75f9a07eacebf16f570de2b80bd700afb6e8379753375d3de872d3629043
SHA5124bd7e37ca681b730327ec686e670ee446be66d261bf1fa9adace78e11b18eb31812ab6126edc2fa3077dac6cbfd4b594b2b346f8c055b495dc48cb85abc507ad
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C:\Users\Admin\AppData\Local\Temp\43871715396838.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
MD5a98f7de7b3b84ed3540cd1e1999999c2
SHA17f5ea6e0512e75a64085b601821d33bee43eec32
SHA256bb52dad5e1a9e18cfd13ece5e29f2d455d49b95ea5315bb10eb96deb58d9dc3a
SHA512f2cec382bf0c73a7e9643a8107cf6a3a2695528c96cfe537fe0015998db16c573a2b56360574abdcd57b95162f673dec3f96f6d625e89df8caf6b8d56b7a1d71
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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/3532-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB