Analysis
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max time kernel
149s -
max time network
96s -
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 03:03
Static task
static1
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240508-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\~SD68C6.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD68DD.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 516 !WannaDecryptor!.exe 3980 !WannaDecryptor!.exe 2936 !WannaDecryptor!.exe 1580 !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-1-5-21-4124900551-4068476067-3491212533-1000\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 3464 taskkill.exe 2620 taskkill.exe 1476 taskkill.exe 1964 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 3464 taskkill.exe Token: SeDebugPrivilege 1476 taskkill.exe Token: SeDebugPrivilege 1964 taskkill.exe Token: SeDebugPrivilege 2620 taskkill.exe Token: SeIncreaseQuotaPrivilege 4904 WMIC.exe Token: SeSecurityPrivilege 4904 WMIC.exe Token: SeTakeOwnershipPrivilege 4904 WMIC.exe Token: SeLoadDriverPrivilege 4904 WMIC.exe Token: SeSystemProfilePrivilege 4904 WMIC.exe Token: SeSystemtimePrivilege 4904 WMIC.exe Token: SeProfSingleProcessPrivilege 4904 WMIC.exe Token: SeIncBasePriorityPrivilege 4904 WMIC.exe Token: SeCreatePagefilePrivilege 4904 WMIC.exe Token: SeBackupPrivilege 4904 WMIC.exe Token: SeRestorePrivilege 4904 WMIC.exe Token: SeShutdownPrivilege 4904 WMIC.exe Token: SeDebugPrivilege 4904 WMIC.exe Token: SeSystemEnvironmentPrivilege 4904 WMIC.exe Token: SeRemoteShutdownPrivilege 4904 WMIC.exe Token: SeUndockPrivilege 4904 WMIC.exe Token: SeManageVolumePrivilege 4904 WMIC.exe Token: 33 4904 WMIC.exe Token: 34 4904 WMIC.exe Token: 35 4904 WMIC.exe Token: 36 4904 WMIC.exe Token: SeIncreaseQuotaPrivilege 4904 WMIC.exe Token: SeSecurityPrivilege 4904 WMIC.exe Token: SeTakeOwnershipPrivilege 4904 WMIC.exe Token: SeLoadDriverPrivilege 4904 WMIC.exe Token: SeSystemProfilePrivilege 4904 WMIC.exe Token: SeSystemtimePrivilege 4904 WMIC.exe Token: SeProfSingleProcessPrivilege 4904 WMIC.exe Token: SeIncBasePriorityPrivilege 4904 WMIC.exe Token: SeCreatePagefilePrivilege 4904 WMIC.exe Token: SeBackupPrivilege 4904 WMIC.exe Token: SeRestorePrivilege 4904 WMIC.exe Token: SeShutdownPrivilege 4904 WMIC.exe Token: SeDebugPrivilege 4904 WMIC.exe Token: SeSystemEnvironmentPrivilege 4904 WMIC.exe Token: SeRemoteShutdownPrivilege 4904 WMIC.exe Token: SeUndockPrivilege 4904 WMIC.exe Token: SeManageVolumePrivilege 4904 WMIC.exe Token: 33 4904 WMIC.exe Token: 34 4904 WMIC.exe Token: 35 4904 WMIC.exe Token: 36 4904 WMIC.exe Token: SeBackupPrivilege 2060 vssvc.exe Token: SeRestorePrivilege 2060 vssvc.exe Token: SeAuditPrivilege 2060 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 516 !WannaDecryptor!.exe 516 !WannaDecryptor!.exe 3980 !WannaDecryptor!.exe 3980 !WannaDecryptor!.exe 2936 !WannaDecryptor!.exe 2936 !WannaDecryptor!.exe 1580 !WannaDecryptor!.exe 1580 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 2168 wrote to memory of 1144 2168 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2168 wrote to memory of 1144 2168 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2168 wrote to memory of 1144 2168 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1144 wrote to memory of 1156 1144 cmd.exe cscript.exe PID 1144 wrote to memory of 1156 1144 cmd.exe cscript.exe PID 1144 wrote to memory of 1156 1144 cmd.exe cscript.exe PID 2168 wrote to memory of 516 2168 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2168 wrote to memory of 516 2168 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2168 wrote to memory of 516 2168 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2168 wrote to memory of 3464 2168 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2168 wrote to memory of 3464 2168 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2168 wrote to memory of 3464 2168 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2168 wrote to memory of 1964 2168 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2168 wrote to memory of 1964 2168 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2168 wrote to memory of 1964 2168 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2168 wrote to memory of 1476 2168 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2168 wrote to memory of 1476 2168 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2168 wrote to memory of 1476 2168 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2168 wrote to memory of 2620 2168 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2168 wrote to memory of 2620 2168 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2168 wrote to memory of 2620 2168 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2168 wrote to memory of 3980 2168 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2168 wrote to memory of 3980 2168 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2168 wrote to memory of 3980 2168 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2168 wrote to memory of 844 2168 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2168 wrote to memory of 844 2168 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2168 wrote to memory of 844 2168 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 844 wrote to memory of 2936 844 cmd.exe !WannaDecryptor!.exe PID 844 wrote to memory of 2936 844 cmd.exe !WannaDecryptor!.exe PID 844 wrote to memory of 2936 844 cmd.exe !WannaDecryptor!.exe PID 2168 wrote to memory of 1580 2168 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2168 wrote to memory of 1580 2168 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2168 wrote to memory of 1580 2168 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2936 wrote to memory of 4148 2936 !WannaDecryptor!.exe cmd.exe PID 2936 wrote to memory of 4148 2936 !WannaDecryptor!.exe cmd.exe PID 2936 wrote to memory of 4148 2936 !WannaDecryptor!.exe cmd.exe PID 4148 wrote to memory of 4904 4148 cmd.exe WMIC.exe PID 4148 wrote to memory of 4904 4148 cmd.exe WMIC.exe PID 4148 wrote to memory of 4904 4148 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:2168 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 299091715396590.bat2⤵
- Suspicious use of WriteProcessMemory
PID:1144 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:1156
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:516 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3464 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1964 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1476 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2620 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3980 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:844 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2936 -
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:4148 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4904 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:1580
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2060
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
MD5e93188583275fade835cea2a83615726
SHA1604aa6dd3ffd657a3e86e4c13f1b9895bb0ea3be
SHA256e146148b031c5396cfdc12989a5d229e1ecea398abc67aec951f61c85cc2995e
SHA51237c9554c3291652d3a7db97a51161f6aecdfa4570543b1112a3cb78f6d03badcb62160b656a7543f3e9f1e8bfa91467c4dfbbfbef4aff2d2c3ff2570dc2c74c2
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5079f2ddcb055ace35d267c078c29da12
SHA19c4e8f6c3fa5d3360ef8ad0bc1fae73bcfc8db2f
SHA256dac1fc204ca0729695f2b4851e5c682a4ffeda49bf83f1f91489e2b794bf3f1b
SHA512ff7c8911dd3ca7f9f4af6c682039f90cdcc2543f9af9247fa33bb3ea43b41106406dc02a4d582f091abbc12d5837c6eb83fd8798b0d5fefb0c9c10f80aca3693
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5310d3b4776533b9390c56c7c38d35d39
SHA1fba0d6e7899f22a5840459e2c50193b73a63b620
SHA256706da00eeec132947bb4a761c26231ded540118f1e11bb110555bab0b9274d10
SHA5127ad0c9459d1b0a1ade468e342bb829b7838b29b33664d359df2a3a90359fe04c51138f46397a1bec724d96a3885956c582a10a627f358f362f945440b2121dee
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5845a588dbd9143b99d327a8a9097bad7
SHA16ce7c247c7db98f30aba7e098d1d5dd9aae5a47e
SHA25606215a03b16f73f4edff6524dba57d9fe66c926a3e7ef0daece122f441a267dd
SHA512b58e8e5fa2268821f182039558e2fd1e09bf3fe257d315d029c6c8ec8958b70210f4b8e815627ad6aaf064953c139b05b8b7319069a13ffa04ac1d74e9882aa2
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C:\Users\Admin\AppData\Local\Temp\299091715396590.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
MD5e58b47404d30bb9dbc85c50560c628da
SHA10088ff194b7ab89d81e4aa6e21fd619c5ffcbc43
SHA2568fb25b5e75201b8d7d70e17f6a35d87de210886d9f0280c2b7637114bbb923c0
SHA5123733c8fde18141fe042d04a7ef12927fb9c2c89da29a9fdb3c2cec37e1e0686225c65b503ab7e7695e39e07d7266aa6954be66fa9637050a86b2c6d6916a9659
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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/2168-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB