Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
11-05-2024 03:03
Static task
static1
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20231129-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\~SD438D.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD43A4.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 3096 !WannaDecryptor!.exe 4904 !WannaDecryptor!.exe 4996 !WannaDecryptor!.exe 4000 !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-1-5-21-4018855536-2201274732-320770143-1000\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 4044 taskkill.exe 3712 taskkill.exe 5008 taskkill.exe 2308 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 5008 taskkill.exe Token: SeDebugPrivilege 3712 taskkill.exe Token: SeDebugPrivilege 2308 taskkill.exe Token: SeDebugPrivilege 4044 taskkill.exe Token: SeIncreaseQuotaPrivilege 2932 WMIC.exe Token: SeSecurityPrivilege 2932 WMIC.exe Token: SeTakeOwnershipPrivilege 2932 WMIC.exe Token: SeLoadDriverPrivilege 2932 WMIC.exe Token: SeSystemProfilePrivilege 2932 WMIC.exe Token: SeSystemtimePrivilege 2932 WMIC.exe Token: SeProfSingleProcessPrivilege 2932 WMIC.exe Token: SeIncBasePriorityPrivilege 2932 WMIC.exe Token: SeCreatePagefilePrivilege 2932 WMIC.exe Token: SeBackupPrivilege 2932 WMIC.exe Token: SeRestorePrivilege 2932 WMIC.exe Token: SeShutdownPrivilege 2932 WMIC.exe Token: SeDebugPrivilege 2932 WMIC.exe Token: SeSystemEnvironmentPrivilege 2932 WMIC.exe Token: SeRemoteShutdownPrivilege 2932 WMIC.exe Token: SeUndockPrivilege 2932 WMIC.exe Token: SeManageVolumePrivilege 2932 WMIC.exe Token: 33 2932 WMIC.exe Token: 34 2932 WMIC.exe Token: 35 2932 WMIC.exe Token: 36 2932 WMIC.exe Token: SeIncreaseQuotaPrivilege 2932 WMIC.exe Token: SeSecurityPrivilege 2932 WMIC.exe Token: SeTakeOwnershipPrivilege 2932 WMIC.exe Token: SeLoadDriverPrivilege 2932 WMIC.exe Token: SeSystemProfilePrivilege 2932 WMIC.exe Token: SeSystemtimePrivilege 2932 WMIC.exe Token: SeProfSingleProcessPrivilege 2932 WMIC.exe Token: SeIncBasePriorityPrivilege 2932 WMIC.exe Token: SeCreatePagefilePrivilege 2932 WMIC.exe Token: SeBackupPrivilege 2932 WMIC.exe Token: SeRestorePrivilege 2932 WMIC.exe Token: SeShutdownPrivilege 2932 WMIC.exe Token: SeDebugPrivilege 2932 WMIC.exe Token: SeSystemEnvironmentPrivilege 2932 WMIC.exe Token: SeRemoteShutdownPrivilege 2932 WMIC.exe Token: SeUndockPrivilege 2932 WMIC.exe Token: SeManageVolumePrivilege 2932 WMIC.exe Token: 33 2932 WMIC.exe Token: 34 2932 WMIC.exe Token: 35 2932 WMIC.exe Token: 36 2932 WMIC.exe Token: SeBackupPrivilege 2248 vssvc.exe Token: SeRestorePrivilege 2248 vssvc.exe Token: SeAuditPrivilege 2248 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 3096 !WannaDecryptor!.exe 3096 !WannaDecryptor!.exe 4904 !WannaDecryptor!.exe 4904 !WannaDecryptor!.exe 4996 !WannaDecryptor!.exe 4996 !WannaDecryptor!.exe 4000 !WannaDecryptor!.exe 4000 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 2668 wrote to memory of 4344 2668 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2668 wrote to memory of 4344 2668 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2668 wrote to memory of 4344 2668 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4344 wrote to memory of 3592 4344 cmd.exe cscript.exe PID 4344 wrote to memory of 3592 4344 cmd.exe cscript.exe PID 4344 wrote to memory of 3592 4344 cmd.exe cscript.exe PID 2668 wrote to memory of 3096 2668 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2668 wrote to memory of 3096 2668 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2668 wrote to memory of 3096 2668 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2668 wrote to memory of 4044 2668 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2668 wrote to memory of 4044 2668 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2668 wrote to memory of 4044 2668 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2668 wrote to memory of 2308 2668 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2668 wrote to memory of 2308 2668 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2668 wrote to memory of 2308 2668 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2668 wrote to memory of 5008 2668 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2668 wrote to memory of 5008 2668 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2668 wrote to memory of 5008 2668 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2668 wrote to memory of 3712 2668 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2668 wrote to memory of 3712 2668 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2668 wrote to memory of 3712 2668 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2668 wrote to memory of 4904 2668 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2668 wrote to memory of 4904 2668 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2668 wrote to memory of 4904 2668 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2668 wrote to memory of 1880 2668 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2668 wrote to memory of 1880 2668 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2668 wrote to memory of 1880 2668 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1880 wrote to memory of 4996 1880 cmd.exe !WannaDecryptor!.exe PID 1880 wrote to memory of 4996 1880 cmd.exe !WannaDecryptor!.exe PID 1880 wrote to memory of 4996 1880 cmd.exe !WannaDecryptor!.exe PID 2668 wrote to memory of 4000 2668 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2668 wrote to memory of 4000 2668 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2668 wrote to memory of 4000 2668 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4996 wrote to memory of 3484 4996 !WannaDecryptor!.exe cmd.exe PID 4996 wrote to memory of 3484 4996 !WannaDecryptor!.exe cmd.exe PID 4996 wrote to memory of 3484 4996 !WannaDecryptor!.exe cmd.exe PID 3484 wrote to memory of 2932 3484 cmd.exe WMIC.exe PID 3484 wrote to memory of 2932 3484 cmd.exe WMIC.exe PID 3484 wrote to memory of 2932 3484 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:2668 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 17431715396629.bat2⤵
- Suspicious use of WriteProcessMemory
PID:4344 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:3592
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3096 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4044 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2308 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:5008 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3712 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4904 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:1880 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4996 -
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:3484 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:2932 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:4000
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2248
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
MD571616feb6b12e045506064cc198b768e
SHA1181ecd2f3e0cfe4c800c092e997ae6cd2f21318c
SHA256002da0a82e31fe7ba337c8a07df1b8abd677e94aae7f251481a784b3abe89c49
SHA512506ac77c6fc8c4e08db86716a587dd24a8e692d84e3f24e78d94e5a461451bd2b8bca325b3dbc497b85a207d717a1f4be2ed66c4cccdbfb21728e6a24fa6d546
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD512ee5e6b0f0156c11c17b4f5be4e5fa4
SHA1cb990962dffcc3d62f239ad8137f7bad319a54f5
SHA2561a826bfd24567bf26e1eeb8cdc0a822a010f4b2153e86a04f6e2d127649c1eb1
SHA512cb0f8680c13c2c121b0fa29e65b9eb7498f24655fe8df9edf3ae66e772b7ddca9b669beb7cf42762daa8434210351af58234086a57d671cc32b12c4290842caf
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD562445e76fe53ad3550f91e9348165100
SHA18413eea9abc5e1af96ca145c93c8c84e08edb5ba
SHA2560e3c2fde8e3dac6e2c1fdd0025b15196d1cb4fa273e1fe47f4ce4ee5e5338c6b
SHA5126150a916ee1cb272771b70b05ef94e37293c554f02a6e3e472aeeadf2d6982c7628d284631d3f41725ef8add605ce668377a8a3da470413f5b3236c415fd12cd
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD59a601fb5d3be2d6b519625c515dc31a8
SHA1987f1f47d4f286206c3b71aeb52f518fc89914fd
SHA2562cbfe3e04b2b8065c437a280e14ce6095035b283eab685f5baf885831fb5a960
SHA51277641098598fe27ce7e71fbb1f640316b81d6b044f903b38373eae138e6385359123671d1ad9c64faf45e9492e6a475ad63483263e58224deec2b4fede9fc278
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C:\Users\Admin\AppData\Local\Temp\17431715396629.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
MD575fe42e66bda86d55e2dfaa4d899236c
SHA163a5cd1753bd7282c4c2619f51a8ef5e8be38941
SHA25685c8287b257fbedc836fba8ec571cf8e2810e639ecfeb9971495d08db700b93c
SHA5124df5b7313e96d97832828ebc47b17f9d2624a68297297cf02c4cb437a4135546c6a862e1eeb61f14e3299f9f3bb9712066be1423b28e2aeea5c4c3c2cb0bbb70
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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/2668-7-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB