Analysis
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max time kernel
140s -
max time network
154s -
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 03:10
Static task
static1
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240220-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\~SD655F.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD6549.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 3444 !WannaDecryptor!.exe 2772 !WannaDecryptor!.exe 3648 !WannaDecryptor!.exe 4608 !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-1-5-21-3558294865-3673844354-2255444939-1000\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 4608 taskkill.exe 4496 taskkill.exe 3388 taskkill.exe 1456 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 1456 taskkill.exe Token: SeDebugPrivilege 3388 taskkill.exe Token: SeDebugPrivilege 4608 taskkill.exe Token: SeDebugPrivilege 4496 taskkill.exe Token: SeIncreaseQuotaPrivilege 3940 WMIC.exe Token: SeSecurityPrivilege 3940 WMIC.exe Token: SeTakeOwnershipPrivilege 3940 WMIC.exe Token: SeLoadDriverPrivilege 3940 WMIC.exe Token: SeSystemProfilePrivilege 3940 WMIC.exe Token: SeSystemtimePrivilege 3940 WMIC.exe Token: SeProfSingleProcessPrivilege 3940 WMIC.exe Token: SeIncBasePriorityPrivilege 3940 WMIC.exe Token: SeCreatePagefilePrivilege 3940 WMIC.exe Token: SeBackupPrivilege 3940 WMIC.exe Token: SeRestorePrivilege 3940 WMIC.exe Token: SeShutdownPrivilege 3940 WMIC.exe Token: SeDebugPrivilege 3940 WMIC.exe Token: SeSystemEnvironmentPrivilege 3940 WMIC.exe Token: SeRemoteShutdownPrivilege 3940 WMIC.exe Token: SeUndockPrivilege 3940 WMIC.exe Token: SeManageVolumePrivilege 3940 WMIC.exe Token: 33 3940 WMIC.exe Token: 34 3940 WMIC.exe Token: 35 3940 WMIC.exe Token: 36 3940 WMIC.exe Token: SeIncreaseQuotaPrivilege 3940 WMIC.exe Token: SeSecurityPrivilege 3940 WMIC.exe Token: SeTakeOwnershipPrivilege 3940 WMIC.exe Token: SeLoadDriverPrivilege 3940 WMIC.exe Token: SeSystemProfilePrivilege 3940 WMIC.exe Token: SeSystemtimePrivilege 3940 WMIC.exe Token: SeProfSingleProcessPrivilege 3940 WMIC.exe Token: SeIncBasePriorityPrivilege 3940 WMIC.exe Token: SeCreatePagefilePrivilege 3940 WMIC.exe Token: SeBackupPrivilege 3940 WMIC.exe Token: SeRestorePrivilege 3940 WMIC.exe Token: SeShutdownPrivilege 3940 WMIC.exe Token: SeDebugPrivilege 3940 WMIC.exe Token: SeSystemEnvironmentPrivilege 3940 WMIC.exe Token: SeRemoteShutdownPrivilege 3940 WMIC.exe Token: SeUndockPrivilege 3940 WMIC.exe Token: SeManageVolumePrivilege 3940 WMIC.exe Token: 33 3940 WMIC.exe Token: 34 3940 WMIC.exe Token: 35 3940 WMIC.exe Token: 36 3940 WMIC.exe Token: SeBackupPrivilege 1604 vssvc.exe Token: SeRestorePrivilege 1604 vssvc.exe Token: SeAuditPrivilege 1604 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 3444 !WannaDecryptor!.exe 3444 !WannaDecryptor!.exe 2772 !WannaDecryptor!.exe 2772 !WannaDecryptor!.exe 3648 !WannaDecryptor!.exe 3648 !WannaDecryptor!.exe 4608 !WannaDecryptor!.exe 4608 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 4364 wrote to memory of 3872 4364 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4364 wrote to memory of 3872 4364 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4364 wrote to memory of 3872 4364 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3872 wrote to memory of 1640 3872 cmd.exe cscript.exe PID 3872 wrote to memory of 1640 3872 cmd.exe cscript.exe PID 3872 wrote to memory of 1640 3872 cmd.exe cscript.exe PID 4364 wrote to memory of 3444 4364 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4364 wrote to memory of 3444 4364 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4364 wrote to memory of 3444 4364 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4364 wrote to memory of 4608 4364 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4364 wrote to memory of 4608 4364 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4364 wrote to memory of 4608 4364 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4364 wrote to memory of 4496 4364 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4364 wrote to memory of 4496 4364 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4364 wrote to memory of 4496 4364 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4364 wrote to memory of 1456 4364 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4364 wrote to memory of 1456 4364 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4364 wrote to memory of 1456 4364 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4364 wrote to memory of 3388 4364 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4364 wrote to memory of 3388 4364 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4364 wrote to memory of 3388 4364 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4364 wrote to memory of 2772 4364 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4364 wrote to memory of 2772 4364 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4364 wrote to memory of 2772 4364 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4364 wrote to memory of 1744 4364 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4364 wrote to memory of 1744 4364 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4364 wrote to memory of 1744 4364 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1744 wrote to memory of 3648 1744 cmd.exe !WannaDecryptor!.exe PID 1744 wrote to memory of 3648 1744 cmd.exe !WannaDecryptor!.exe PID 1744 wrote to memory of 3648 1744 cmd.exe !WannaDecryptor!.exe PID 4364 wrote to memory of 4608 4364 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4364 wrote to memory of 4608 4364 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4364 wrote to memory of 4608 4364 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3648 wrote to memory of 3524 3648 !WannaDecryptor!.exe cmd.exe PID 3648 wrote to memory of 3524 3648 !WannaDecryptor!.exe cmd.exe PID 3648 wrote to memory of 3524 3648 !WannaDecryptor!.exe cmd.exe PID 3524 wrote to memory of 3940 3524 cmd.exe WMIC.exe PID 3524 wrote to memory of 3940 3524 cmd.exe WMIC.exe PID 3524 wrote to memory of 3940 3524 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:4364 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 285311715397016.bat2⤵
- Suspicious use of WriteProcessMemory
PID:3872 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:1640
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3444 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4608 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4496 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1456 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3388 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2772 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:1744 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3648 -
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:3524 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3940 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:4608
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1604
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
MD5c305cea48aea2c5b452f11c161e9d534
SHA1e7e1074093176fccde1ea5b81c3db89d16decb9b
SHA2565c66e9b676de60d9d2ff4d1413265d26095aebc456be1d34975dd02466b1f16c
SHA5122b97b804f40c548da240c4dc30804514dc0a13ac6f78ad3820a279defe847231597d8d80bd94fae362e5a5bd17c9937bb42d21e0a169b99decdbe2dc48e8e664
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5f87db464c074e355f099f10acb949065
SHA1dd9bbc12dd6879cb8937b9b4974be0df6e80ab0e
SHA256f5ea9678c68845724e45ecca53d491df207d59e44eba86057ec8a8f4d95ed4b4
SHA5123bfceef2ca506dfc894bf1d4b19beff7bfccb5be14c481c0596809a53dcbcac52179a8284ce4623ff071fc5a5ff43a655a2495c2b04daef595d21ad1c9d5b83b
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD597906ca9ec5060399d3c6d0e7e05b329
SHA17fe1f016ca3d912cf426e9ed75d39aac35574aa1
SHA256482d5afc9f9fcf9479af246e35a6ed2f3d47e8f9f573a4eb34efe60a65eec7f9
SHA512fbbee8114f260546b4975426a862b6b7afd44441c3162e91d64a5dd515fe361b8cca145ca082de7e2598264adb7902573062decb90760c0f0d9faa88677a1751
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5e67e51de6bcfe6edc44c3fd477c69244
SHA119d8749eada57d42d1e9630e99bef5162504f0b7
SHA2563bca30af2a73f461c6b3dae5726e98745fe2d9a949bd7d46cb236e75ae7e0ee4
SHA5127e9d892735eca5cbba9a00a8fd895a675aa005ef04218153f8eaff4855ef7746b7db8225813bfb60377c456a914ba4412881ba696c6b6c45851acefac433ca10
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C:\Users\Admin\AppData\Local\Temp\285311715397016.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
MD51c68cb7297dd3b7e5ac6a3da4ccd1537
SHA1af4bfb0702e1b1b90052614e4182cfbb0ab156f6
SHA2562f071e1f572b7e02d5b80639aa60bdefb67466c99207c3838aa284f91179af7d
SHA512cce863b23d142a9071edaff83d06db615e71d6a90bc3af773408308b424ae3464b887e15a398329539348ba4446186139f5a401ac7f0ac2ef6a09c05212550df
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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/4364-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB