Analysis
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max time kernel
147s -
max time network
107s -
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 19:07
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\~SD64EE.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD6524.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 2360 !WannaDecryptor!.exe 1288 !WannaDecryptor!.exe 3656 !WannaDecryptor!.exe 3952 !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 2972 taskkill.exe 4676 taskkill.exe 1364 taskkill.exe 2308 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 2972 taskkill.exe Token: SeDebugPrivilege 4676 taskkill.exe Token: SeDebugPrivilege 1364 taskkill.exe Token: SeDebugPrivilege 2308 taskkill.exe Token: SeIncreaseQuotaPrivilege 3484 WMIC.exe Token: SeSecurityPrivilege 3484 WMIC.exe Token: SeTakeOwnershipPrivilege 3484 WMIC.exe Token: SeLoadDriverPrivilege 3484 WMIC.exe Token: SeSystemProfilePrivilege 3484 WMIC.exe Token: SeSystemtimePrivilege 3484 WMIC.exe Token: SeProfSingleProcessPrivilege 3484 WMIC.exe Token: SeIncBasePriorityPrivilege 3484 WMIC.exe Token: SeCreatePagefilePrivilege 3484 WMIC.exe Token: SeBackupPrivilege 3484 WMIC.exe Token: SeRestorePrivilege 3484 WMIC.exe Token: SeShutdownPrivilege 3484 WMIC.exe Token: SeDebugPrivilege 3484 WMIC.exe Token: SeSystemEnvironmentPrivilege 3484 WMIC.exe Token: SeRemoteShutdownPrivilege 3484 WMIC.exe Token: SeUndockPrivilege 3484 WMIC.exe Token: SeManageVolumePrivilege 3484 WMIC.exe Token: 33 3484 WMIC.exe Token: 34 3484 WMIC.exe Token: 35 3484 WMIC.exe Token: 36 3484 WMIC.exe Token: SeIncreaseQuotaPrivilege 3484 WMIC.exe Token: SeSecurityPrivilege 3484 WMIC.exe Token: SeTakeOwnershipPrivilege 3484 WMIC.exe Token: SeLoadDriverPrivilege 3484 WMIC.exe Token: SeSystemProfilePrivilege 3484 WMIC.exe Token: SeSystemtimePrivilege 3484 WMIC.exe Token: SeProfSingleProcessPrivilege 3484 WMIC.exe Token: SeIncBasePriorityPrivilege 3484 WMIC.exe Token: SeCreatePagefilePrivilege 3484 WMIC.exe Token: SeBackupPrivilege 3484 WMIC.exe Token: SeRestorePrivilege 3484 WMIC.exe Token: SeShutdownPrivilege 3484 WMIC.exe Token: SeDebugPrivilege 3484 WMIC.exe Token: SeSystemEnvironmentPrivilege 3484 WMIC.exe Token: SeRemoteShutdownPrivilege 3484 WMIC.exe Token: SeUndockPrivilege 3484 WMIC.exe Token: SeManageVolumePrivilege 3484 WMIC.exe Token: 33 3484 WMIC.exe Token: 34 3484 WMIC.exe Token: 35 3484 WMIC.exe Token: 36 3484 WMIC.exe Token: SeBackupPrivilege 4068 vssvc.exe Token: SeRestorePrivilege 4068 vssvc.exe Token: SeAuditPrivilege 4068 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 2360 !WannaDecryptor!.exe 2360 !WannaDecryptor!.exe 1288 !WannaDecryptor!.exe 1288 !WannaDecryptor!.exe 3656 !WannaDecryptor!.exe 3656 !WannaDecryptor!.exe 3952 !WannaDecryptor!.exe 3952 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 4816 wrote to memory of 1104 4816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4816 wrote to memory of 1104 4816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4816 wrote to memory of 1104 4816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1104 wrote to memory of 4620 1104 cmd.exe cscript.exe PID 1104 wrote to memory of 4620 1104 cmd.exe cscript.exe PID 1104 wrote to memory of 4620 1104 cmd.exe cscript.exe PID 4816 wrote to memory of 2360 4816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4816 wrote to memory of 2360 4816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4816 wrote to memory of 2360 4816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4816 wrote to memory of 2972 4816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4816 wrote to memory of 2972 4816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4816 wrote to memory of 2972 4816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4816 wrote to memory of 4676 4816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4816 wrote to memory of 4676 4816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4816 wrote to memory of 4676 4816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4816 wrote to memory of 1364 4816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4816 wrote to memory of 1364 4816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4816 wrote to memory of 1364 4816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4816 wrote to memory of 2308 4816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4816 wrote to memory of 2308 4816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4816 wrote to memory of 2308 4816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4816 wrote to memory of 1288 4816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4816 wrote to memory of 1288 4816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4816 wrote to memory of 1288 4816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4816 wrote to memory of 3220 4816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4816 wrote to memory of 3220 4816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4816 wrote to memory of 3220 4816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3220 wrote to memory of 3656 3220 cmd.exe !WannaDecryptor!.exe PID 3220 wrote to memory of 3656 3220 cmd.exe !WannaDecryptor!.exe PID 3220 wrote to memory of 3656 3220 cmd.exe !WannaDecryptor!.exe PID 4816 wrote to memory of 3952 4816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4816 wrote to memory of 3952 4816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4816 wrote to memory of 3952 4816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3656 wrote to memory of 3420 3656 !WannaDecryptor!.exe cmd.exe PID 3656 wrote to memory of 3420 3656 !WannaDecryptor!.exe cmd.exe PID 3656 wrote to memory of 3420 3656 !WannaDecryptor!.exe cmd.exe PID 3420 wrote to memory of 3484 3420 cmd.exe WMIC.exe PID 3420 wrote to memory of 3484 3420 cmd.exe WMIC.exe PID 3420 wrote to memory of 3484 3420 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:4816 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 288901715627286.bat2⤵
- Suspicious use of WriteProcessMemory
PID:1104 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:4620
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2360 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2972 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4676 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1364 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2308 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1288 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:3220 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3656 -
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:3420 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3484 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:3952
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4068
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
MD56f97c53abd2a6e4861896801910da0be
SHA1406627aed378f2d0f6c093c0173a95177b9993f3
SHA2567d3d20d5d7fd05f57bccd89785e91669e2540d3aeb20fd05ebd98c7f51439bea
SHA512e849bec4b52f30b0471f8c689db5726d3908bdef68a95b09ad40934f7d623aa0000486d146b0c7a75f802b823ad846af933cd27b99518ec069dd809aec42e4b1
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5c9f2e6c5f00f300f7d8f542317762324
SHA12eb65c29f5184e478739a13187f87d2fcc28cb09
SHA256a49de3aad403907c3b6d8b2b866ab3ce07952673d4443539ad2b562ec62e8d5a
SHA51217f32b724de22aa5d559c46a6738b23a10cb074e9c42f3a2885e211e43da55f79ac2df20f620cf569c868ad6e5715379e74c14aeae6c89dc249be5e45a1886be
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD553edd12a97159b3e8028a6c9f3a1c2cb
SHA1ed5e3ff849ecc49b30f34679b4e76215175a9b88
SHA25600b0758155c8fc18574a2078f7a870cb984a40089c78501b00f82a2c41eed00c
SHA5122a434446c604c14ac020bfe3224f9f50f6b806df8ed31d3df17e0498b09f62c7cf0d729b16a9ddb823213c4f016fcf662c514ecd75ee49d73c7203ac581c14f0
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD52906b4b70b0719a6ac9d0d936bbf7a52
SHA18053c57d833ba4b42dd27f2e3184982c5466c47e
SHA256629fbb3dbbe7ad25e2de1a717b058bee4dc2098dc3ba5c16500c9b416811a2fa
SHA51218f80b17de2fb46f4ad5795a4deb6bfe562d8ac476434262c351e73f68e11ef16f235691c9b67e1e563dd35c1a5cea433dee3069bd0ce9a6687a9294ad24c509
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C:\Users\Admin\AppData\Local\Temp\288901715627286.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
MD52ddee4610b7df4f67c5a196e1506268b
SHA1c2b7978cf65da3a1475e7436e41a99038940dd58
SHA2561ffe807de18d0a866068eeea5c42a5c276fd00d3d40b29197024f83e1c214995
SHA5123513776304df7a93f38013af894eb1bf8961f48292094c82d53c137337c48bc0a9e6f112fccf00bf189e3b20078bb67703b64a97989d56a4a86ba746e2fc50bb
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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/4816-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB