Analysis
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max time kernel
148s -
max time network
151s -
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 19:03
Static task
static1
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240215-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\~SD4238.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD424F.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 2196 !WannaDecryptor!.exe 4216 !WannaDecryptor!.exe 3080 !WannaDecryptor!.exe 4752 !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-1-5-21-711569230-3659488422-571408806-1000\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 3108 taskkill.exe 3492 taskkill.exe 3096 taskkill.exe 1332 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 3108 taskkill.exe Token: SeDebugPrivilege 1332 taskkill.exe Token: SeDebugPrivilege 3492 taskkill.exe Token: SeDebugPrivilege 3096 taskkill.exe Token: SeIncreaseQuotaPrivilege 3352 WMIC.exe Token: SeSecurityPrivilege 3352 WMIC.exe Token: SeTakeOwnershipPrivilege 3352 WMIC.exe Token: SeLoadDriverPrivilege 3352 WMIC.exe Token: SeSystemProfilePrivilege 3352 WMIC.exe Token: SeSystemtimePrivilege 3352 WMIC.exe Token: SeProfSingleProcessPrivilege 3352 WMIC.exe Token: SeIncBasePriorityPrivilege 3352 WMIC.exe Token: SeCreatePagefilePrivilege 3352 WMIC.exe Token: SeBackupPrivilege 3352 WMIC.exe Token: SeRestorePrivilege 3352 WMIC.exe Token: SeShutdownPrivilege 3352 WMIC.exe Token: SeDebugPrivilege 3352 WMIC.exe Token: SeSystemEnvironmentPrivilege 3352 WMIC.exe Token: SeRemoteShutdownPrivilege 3352 WMIC.exe Token: SeUndockPrivilege 3352 WMIC.exe Token: SeManageVolumePrivilege 3352 WMIC.exe Token: 33 3352 WMIC.exe Token: 34 3352 WMIC.exe Token: 35 3352 WMIC.exe Token: 36 3352 WMIC.exe Token: SeIncreaseQuotaPrivilege 3352 WMIC.exe Token: SeSecurityPrivilege 3352 WMIC.exe Token: SeTakeOwnershipPrivilege 3352 WMIC.exe Token: SeLoadDriverPrivilege 3352 WMIC.exe Token: SeSystemProfilePrivilege 3352 WMIC.exe Token: SeSystemtimePrivilege 3352 WMIC.exe Token: SeProfSingleProcessPrivilege 3352 WMIC.exe Token: SeIncBasePriorityPrivilege 3352 WMIC.exe Token: SeCreatePagefilePrivilege 3352 WMIC.exe Token: SeBackupPrivilege 3352 WMIC.exe Token: SeRestorePrivilege 3352 WMIC.exe Token: SeShutdownPrivilege 3352 WMIC.exe Token: SeDebugPrivilege 3352 WMIC.exe Token: SeSystemEnvironmentPrivilege 3352 WMIC.exe Token: SeRemoteShutdownPrivilege 3352 WMIC.exe Token: SeUndockPrivilege 3352 WMIC.exe Token: SeManageVolumePrivilege 3352 WMIC.exe Token: 33 3352 WMIC.exe Token: 34 3352 WMIC.exe Token: 35 3352 WMIC.exe Token: 36 3352 WMIC.exe Token: SeBackupPrivilege 4048 vssvc.exe Token: SeRestorePrivilege 4048 vssvc.exe Token: SeAuditPrivilege 4048 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 2196 !WannaDecryptor!.exe 2196 !WannaDecryptor!.exe 4216 !WannaDecryptor!.exe 4216 !WannaDecryptor!.exe 3080 !WannaDecryptor!.exe 3080 !WannaDecryptor!.exe 4752 !WannaDecryptor!.exe 4752 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 1104 wrote to memory of 2888 1104 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1104 wrote to memory of 2888 1104 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1104 wrote to memory of 2888 1104 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2888 wrote to memory of 4264 2888 cmd.exe cscript.exe PID 2888 wrote to memory of 4264 2888 cmd.exe cscript.exe PID 2888 wrote to memory of 4264 2888 cmd.exe cscript.exe PID 1104 wrote to memory of 2196 1104 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1104 wrote to memory of 2196 1104 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1104 wrote to memory of 2196 1104 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1104 wrote to memory of 3108 1104 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1104 wrote to memory of 3108 1104 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1104 wrote to memory of 3108 1104 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1104 wrote to memory of 1332 1104 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1104 wrote to memory of 1332 1104 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1104 wrote to memory of 1332 1104 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1104 wrote to memory of 3096 1104 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1104 wrote to memory of 3096 1104 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1104 wrote to memory of 3096 1104 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1104 wrote to memory of 3492 1104 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1104 wrote to memory of 3492 1104 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1104 wrote to memory of 3492 1104 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1104 wrote to memory of 4216 1104 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1104 wrote to memory of 4216 1104 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1104 wrote to memory of 4216 1104 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1104 wrote to memory of 1332 1104 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1104 wrote to memory of 1332 1104 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1104 wrote to memory of 1332 1104 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1332 wrote to memory of 3080 1332 cmd.exe !WannaDecryptor!.exe PID 1332 wrote to memory of 3080 1332 cmd.exe !WannaDecryptor!.exe PID 1332 wrote to memory of 3080 1332 cmd.exe !WannaDecryptor!.exe PID 1104 wrote to memory of 4752 1104 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1104 wrote to memory of 4752 1104 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1104 wrote to memory of 4752 1104 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3080 wrote to memory of 3808 3080 !WannaDecryptor!.exe cmd.exe PID 3080 wrote to memory of 3808 3080 !WannaDecryptor!.exe cmd.exe PID 3080 wrote to memory of 3808 3080 !WannaDecryptor!.exe cmd.exe PID 3808 wrote to memory of 3352 3808 cmd.exe WMIC.exe PID 3808 wrote to memory of 3352 3808 cmd.exe WMIC.exe PID 3808 wrote to memory of 3352 3808 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:1104 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 7741715627059.bat2⤵
- Suspicious use of WriteProcessMemory
PID:2888 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:4264
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2196 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3108 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1332 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3096 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3492 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4216 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:1332 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3080 -
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:3808 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3352 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:4752
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4048
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
MD5ecb7b17ecfa41beb7b59b8c0571048a7
SHA15cd48afb52d32638545d9a659e437a7ec5d60e54
SHA25656b1e6501d7e88ecb18dcdaf168861e1b993a60c9c0c1340d5f1deb7b05fb638
SHA5124e6e69a16b45011ff40b13408cde08e8943ba9a28fd2b08e73949331c4a9681802e99c15b22a748698961a9fcd99940db56e2de04abb5cd6be7be60a2a16b128
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD57e331829a45cccae2ed060db526e8b55
SHA1150ca208e77bfe33cc4bd595584d2a0580821270
SHA256b6588cef3c7d02388a68fa32d2e1bc73909b98b4cc44b41c6d0c44f95846da26
SHA512bb4a30805e7085da17b079fc5b0defc7cf49a22a34bf57ef1fd01a40580908d1fbcc564c1289b088f35dca0390d6a2f4db0b03fb3b1f3779b16ee0571c4e7d67
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5d43025f64e36d8ff61e086d54aee1f1e
SHA1e9af6a5e571b1302c49ed65a44b7d463ce57eec2
SHA25678f5115cc4848edb8850c2eade21475fefe2c8f26eb9101cfc437d7f28c46cae
SHA51213b9829463e20dd17b07e99fa8724d56c5e019e42e4e17ce08cec3fdb80cd902ddbae6e2141b47f96a4765c31b5b6cccdf6f5be3c15c2035b2255099e7e61ede
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5271f5d9e3a9fb3cf2114ff9b4db714dc
SHA1acfeed4b720f8d30cb5fc3dc4aee30c7cd1eede8
SHA256b5dcd70ea981a35020a6a701ed6b01101f2e1e8280b1833e1f8eae8128227a4b
SHA5125d81dd3902be228b3f09c6acce8369b051bcd1a00821c7473646116907b933eae6394382214b799030e433ee424cc1c4eda4308870b7f2c7a02d8780188bcb00
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C:\Users\Admin\AppData\Local\Temp\7741715627059.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
MD551dc1535bc3ebee902476d934a0e3d0a
SHA15f86bd9435790eb3da2bd81c6996a65ed746b528
SHA2562fc4c901feb612f9382720f2a495c42db29cbec043275564d9a4ebc9b4cb80f8
SHA512fba9f80cf88e4358f26f4acf9afaaf09083d3225676ade064eff162bae1da58010936fb516b65bc5f6e009dbea47d2d4e2240466414f74a51273c23b3ffa64f5
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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/1104-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB