Analysis
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max time kernel
148s -
max time network
153s -
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 03:11
Static task
static1
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240221-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\~SD6430.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD6437.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 2340 !WannaDecryptor!.exe 2116 !WannaDecryptor!.exe 2800 !WannaDecryptor!.exe 4904 !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 3836 taskkill.exe 2760 taskkill.exe 3956 taskkill.exe 2680 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 2680 taskkill.exe Token: SeDebugPrivilege 2760 taskkill.exe Token: SeDebugPrivilege 3836 taskkill.exe Token: SeDebugPrivilege 3956 taskkill.exe Token: SeIncreaseQuotaPrivilege 4912 WMIC.exe Token: SeSecurityPrivilege 4912 WMIC.exe Token: SeTakeOwnershipPrivilege 4912 WMIC.exe Token: SeLoadDriverPrivilege 4912 WMIC.exe Token: SeSystemProfilePrivilege 4912 WMIC.exe Token: SeSystemtimePrivilege 4912 WMIC.exe Token: SeProfSingleProcessPrivilege 4912 WMIC.exe Token: SeIncBasePriorityPrivilege 4912 WMIC.exe Token: SeCreatePagefilePrivilege 4912 WMIC.exe Token: SeBackupPrivilege 4912 WMIC.exe Token: SeRestorePrivilege 4912 WMIC.exe Token: SeShutdownPrivilege 4912 WMIC.exe Token: SeDebugPrivilege 4912 WMIC.exe Token: SeSystemEnvironmentPrivilege 4912 WMIC.exe Token: SeRemoteShutdownPrivilege 4912 WMIC.exe Token: SeUndockPrivilege 4912 WMIC.exe Token: SeManageVolumePrivilege 4912 WMIC.exe Token: 33 4912 WMIC.exe Token: 34 4912 WMIC.exe Token: 35 4912 WMIC.exe Token: 36 4912 WMIC.exe Token: SeIncreaseQuotaPrivilege 4912 WMIC.exe Token: SeSecurityPrivilege 4912 WMIC.exe Token: SeTakeOwnershipPrivilege 4912 WMIC.exe Token: SeLoadDriverPrivilege 4912 WMIC.exe Token: SeSystemProfilePrivilege 4912 WMIC.exe Token: SeSystemtimePrivilege 4912 WMIC.exe Token: SeProfSingleProcessPrivilege 4912 WMIC.exe Token: SeIncBasePriorityPrivilege 4912 WMIC.exe Token: SeCreatePagefilePrivilege 4912 WMIC.exe Token: SeBackupPrivilege 4912 WMIC.exe Token: SeRestorePrivilege 4912 WMIC.exe Token: SeShutdownPrivilege 4912 WMIC.exe Token: SeDebugPrivilege 4912 WMIC.exe Token: SeSystemEnvironmentPrivilege 4912 WMIC.exe Token: SeRemoteShutdownPrivilege 4912 WMIC.exe Token: SeUndockPrivilege 4912 WMIC.exe Token: SeManageVolumePrivilege 4912 WMIC.exe Token: 33 4912 WMIC.exe Token: 34 4912 WMIC.exe Token: 35 4912 WMIC.exe Token: 36 4912 WMIC.exe Token: SeBackupPrivilege 4340 vssvc.exe Token: SeRestorePrivilege 4340 vssvc.exe Token: SeAuditPrivilege 4340 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 2340 !WannaDecryptor!.exe 2340 !WannaDecryptor!.exe 2116 !WannaDecryptor!.exe 2116 !WannaDecryptor!.exe 2800 !WannaDecryptor!.exe 2800 !WannaDecryptor!.exe 4904 !WannaDecryptor!.exe 4904 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 4968 wrote to memory of 4916 4968 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4968 wrote to memory of 4916 4968 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4968 wrote to memory of 4916 4968 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4916 wrote to memory of 1376 4916 cmd.exe cscript.exe PID 4916 wrote to memory of 1376 4916 cmd.exe cscript.exe PID 4916 wrote to memory of 1376 4916 cmd.exe cscript.exe PID 4968 wrote to memory of 2340 4968 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4968 wrote to memory of 2340 4968 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4968 wrote to memory of 2340 4968 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4968 wrote to memory of 2760 4968 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4968 wrote to memory of 2760 4968 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4968 wrote to memory of 2760 4968 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4968 wrote to memory of 3836 4968 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4968 wrote to memory of 3836 4968 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4968 wrote to memory of 3836 4968 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4968 wrote to memory of 2680 4968 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4968 wrote to memory of 2680 4968 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4968 wrote to memory of 2680 4968 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4968 wrote to memory of 3956 4968 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4968 wrote to memory of 3956 4968 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4968 wrote to memory of 3956 4968 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4968 wrote to memory of 2116 4968 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4968 wrote to memory of 2116 4968 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4968 wrote to memory of 2116 4968 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4968 wrote to memory of 4036 4968 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4968 wrote to memory of 4036 4968 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4968 wrote to memory of 4036 4968 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4036 wrote to memory of 2800 4036 cmd.exe !WannaDecryptor!.exe PID 4036 wrote to memory of 2800 4036 cmd.exe !WannaDecryptor!.exe PID 4036 wrote to memory of 2800 4036 cmd.exe !WannaDecryptor!.exe PID 4968 wrote to memory of 4904 4968 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4968 wrote to memory of 4904 4968 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4968 wrote to memory of 4904 4968 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2800 wrote to memory of 768 2800 !WannaDecryptor!.exe cmd.exe PID 2800 wrote to memory of 768 2800 !WannaDecryptor!.exe cmd.exe PID 2800 wrote to memory of 768 2800 !WannaDecryptor!.exe cmd.exe PID 768 wrote to memory of 4912 768 cmd.exe WMIC.exe PID 768 wrote to memory of 4912 768 cmd.exe WMIC.exe PID 768 wrote to memory of 4912 768 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:4968 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 291451715397093.bat2⤵
- Suspicious use of WriteProcessMemory
PID:4916 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:1376
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2340 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2760 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3836 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2680 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3956 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2116 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:4036 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2800 -
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:768 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4912 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:4904
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4340
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
MD53b16b6141e4efb23f0709f8fc47eb448
SHA12d7f9262cdb546fb1ed84e37b61019b7771c3bab
SHA2561508ed46d7582007bc274051b307ca9ff875e5d302e10ea3e164b8e16548d8a9
SHA512dcdaf3ad8ffb6452a31b1d60d7c61f71ed612c49df4f24a22c0d73c6a1d06080a055c0ce6ee431951bb8df61d06c028eb534e2f36295f4f3a8ce55af28bef6fb
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5092012c5c095cf7bde3128061d92fc75
SHA19084a447f52bcc7d0ab0f9595c921e83c68d8b89
SHA256f0a22757b2018678f08c7fe55135c1d0369dc495242a54c29ba888095fae9183
SHA512beda7a2d0745a6b3daa354b20d0105b21e071260bff54142496601f9a20a0d92eb3d8ba36b876343e0857f883273694247f88abf6a018e315d652a01dd544928
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5ffecf69cb26830b6f5a335eda54b223a
SHA1076a9f1b1a2719df297fe033480ff3a10d35cb12
SHA256796f42f6f8ad8435096a6fe6a30fa730f663b2f07801ad6ff6d399d9534cc824
SHA512e46d435004fc64e1f9e3d858ba8b5d0299f21f72747eb3840c77ac1d29257cc1e49fb4a2e3d5dbbbc2a126c63a7cbc2af670f9c3cf0137f20262f203a1f6e0df
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD531b3dfc59fed931efaac08e1ba7a1b61
SHA135286fe6d1663e2c20d87524eb0cce43092c01d7
SHA25610cac62c89e26dbbc2fa6656086d0a96dd28cae2deb49356e74ebeb8f73265d1
SHA512297e37a8bc463c52660a3a0a3aea1fe7e3d7d2c0ec1a29b86dfa7c8c8bec3b716e99f0411e8f627ba5a0ba02b544ca8dda0b10cd6860975d1ee8c700501e5a96
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C:\Users\Admin\AppData\Local\Temp\291451715397093.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
MD588f96b7dcc99c9bc35dab69977571063
SHA1534e97ab0d982921169f34462bf63a11faa7f198
SHA256fec14282cc202d7b178316f8cd565f6a78fac6076a3c8dbaf0e7d8c36d9f2d78
SHA512d9378304ce63125270b89b5f2810908a20b23121923b059b499642795877d7d586dd54b1414d14327ca66d3a30dd79d5dceabd58fb7b93848b4a439aaaa4bbb8
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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/4968-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB