Analysis
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max time kernel
149s -
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
11-05-2024 03:06
Static task
static1
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240221-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\~SD5F12.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD5F19.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 4624 !WannaDecryptor!.exe 536 !WannaDecryptor!.exe 1284 !WannaDecryptor!.exe 5060 !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-1-5-21-3571316656-3665257725-2415531812-1000\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 1068 taskkill.exe 4416 taskkill.exe 1612 taskkill.exe 1300 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 1300 taskkill.exe Token: SeDebugPrivilege 1612 taskkill.exe Token: SeDebugPrivilege 1068 taskkill.exe Token: SeDebugPrivilege 4416 taskkill.exe Token: SeIncreaseQuotaPrivilege 3624 WMIC.exe Token: SeSecurityPrivilege 3624 WMIC.exe Token: SeTakeOwnershipPrivilege 3624 WMIC.exe Token: SeLoadDriverPrivilege 3624 WMIC.exe Token: SeSystemProfilePrivilege 3624 WMIC.exe Token: SeSystemtimePrivilege 3624 WMIC.exe Token: SeProfSingleProcessPrivilege 3624 WMIC.exe Token: SeIncBasePriorityPrivilege 3624 WMIC.exe Token: SeCreatePagefilePrivilege 3624 WMIC.exe Token: SeBackupPrivilege 3624 WMIC.exe Token: SeRestorePrivilege 3624 WMIC.exe Token: SeShutdownPrivilege 3624 WMIC.exe Token: SeDebugPrivilege 3624 WMIC.exe Token: SeSystemEnvironmentPrivilege 3624 WMIC.exe Token: SeRemoteShutdownPrivilege 3624 WMIC.exe Token: SeUndockPrivilege 3624 WMIC.exe Token: SeManageVolumePrivilege 3624 WMIC.exe Token: 33 3624 WMIC.exe Token: 34 3624 WMIC.exe Token: 35 3624 WMIC.exe Token: 36 3624 WMIC.exe Token: SeIncreaseQuotaPrivilege 3624 WMIC.exe Token: SeSecurityPrivilege 3624 WMIC.exe Token: SeTakeOwnershipPrivilege 3624 WMIC.exe Token: SeLoadDriverPrivilege 3624 WMIC.exe Token: SeSystemProfilePrivilege 3624 WMIC.exe Token: SeSystemtimePrivilege 3624 WMIC.exe Token: SeProfSingleProcessPrivilege 3624 WMIC.exe Token: SeIncBasePriorityPrivilege 3624 WMIC.exe Token: SeCreatePagefilePrivilege 3624 WMIC.exe Token: SeBackupPrivilege 3624 WMIC.exe Token: SeRestorePrivilege 3624 WMIC.exe Token: SeShutdownPrivilege 3624 WMIC.exe Token: SeDebugPrivilege 3624 WMIC.exe Token: SeSystemEnvironmentPrivilege 3624 WMIC.exe Token: SeRemoteShutdownPrivilege 3624 WMIC.exe Token: SeUndockPrivilege 3624 WMIC.exe Token: SeManageVolumePrivilege 3624 WMIC.exe Token: 33 3624 WMIC.exe Token: 34 3624 WMIC.exe Token: 35 3624 WMIC.exe Token: 36 3624 WMIC.exe Token: SeBackupPrivilege 1236 vssvc.exe Token: SeRestorePrivilege 1236 vssvc.exe Token: SeAuditPrivilege 1236 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 4624 !WannaDecryptor!.exe 4624 !WannaDecryptor!.exe 536 !WannaDecryptor!.exe 536 !WannaDecryptor!.exe 1284 !WannaDecryptor!.exe 1284 !WannaDecryptor!.exe 5060 !WannaDecryptor!.exe 5060 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 3932 wrote to memory of 536 3932 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3932 wrote to memory of 536 3932 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3932 wrote to memory of 536 3932 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 536 wrote to memory of 4620 536 cmd.exe cscript.exe PID 536 wrote to memory of 4620 536 cmd.exe cscript.exe PID 536 wrote to memory of 4620 536 cmd.exe cscript.exe PID 3932 wrote to memory of 4624 3932 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3932 wrote to memory of 4624 3932 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3932 wrote to memory of 4624 3932 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3932 wrote to memory of 1068 3932 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3932 wrote to memory of 1068 3932 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3932 wrote to memory of 1068 3932 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3932 wrote to memory of 1300 3932 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3932 wrote to memory of 1300 3932 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3932 wrote to memory of 1300 3932 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3932 wrote to memory of 1612 3932 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3932 wrote to memory of 1612 3932 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3932 wrote to memory of 1612 3932 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3932 wrote to memory of 4416 3932 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3932 wrote to memory of 4416 3932 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3932 wrote to memory of 4416 3932 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 3932 wrote to memory of 536 3932 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3932 wrote to memory of 536 3932 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3932 wrote to memory of 536 3932 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3932 wrote to memory of 2380 3932 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3932 wrote to memory of 2380 3932 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3932 wrote to memory of 2380 3932 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2380 wrote to memory of 1284 2380 cmd.exe !WannaDecryptor!.exe PID 2380 wrote to memory of 1284 2380 cmd.exe !WannaDecryptor!.exe PID 2380 wrote to memory of 1284 2380 cmd.exe !WannaDecryptor!.exe PID 3932 wrote to memory of 5060 3932 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3932 wrote to memory of 5060 3932 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 3932 wrote to memory of 5060 3932 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1284 wrote to memory of 1756 1284 !WannaDecryptor!.exe cmd.exe PID 1284 wrote to memory of 1756 1284 !WannaDecryptor!.exe cmd.exe PID 1284 wrote to memory of 1756 1284 !WannaDecryptor!.exe cmd.exe PID 1756 wrote to memory of 3624 1756 cmd.exe WMIC.exe PID 1756 wrote to memory of 3624 1756 cmd.exe WMIC.exe PID 1756 wrote to memory of 3624 1756 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:3932 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 226631715396775.bat2⤵
- Suspicious use of WriteProcessMemory
PID:536 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:4620
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4624 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1068 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1300 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1612 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4416 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:536 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:2380 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1284 -
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:1756 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3624 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:5060
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1236
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!.exeFilesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe.lnkFilesize
1KB
MD5804a0d9fa9ec8d7dc49525fb029a08b6
SHA1a72584de4f66fb4d5853a50defabfd7a8d859649
SHA256929eafce69212c2e1417cf72fdd022c8ffd4346aa8f7c8411427831e0784478c
SHA512015c8f896146fb6cb0733d8c3f6cd6f8b3a67a1ee4fbbc47d7c88f96496c91fbae52b6441b995c2f6d52110e2c420cc5397d624b9ff130ab2f6e6be0119605cc
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5e74a393a7f228e8e731395d10455678a
SHA102a00633eedd9a40165d62fd37f19bea6063f750
SHA25602d7ea6b2d026cea1f86a1075cba7415c8de6f23f0ee2463bb10c59d915fb2ab
SHA512dc6839edef95908d2525ead39aba92ea86c66c8fa233c726e6d191750ca6b79ab1aa6df6b2376c9e5674a20aa179119f550ea9a034575a6dd6ce05fc110190e3
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD53db39db81f235ea806bae5b011055a63
SHA1ddd763e75fb5e8d62e0ba6a3cffdb95872d79c75
SHA256c2927eaa0eef5a9d0dbe02281ece689da35f3e084fdcfb2119279acaae3eb2d9
SHA512ca1dcea6713120c1e3e4ed251945a29353d0947da691ea97b3ea079724a60c701bd8275e0324ec2e6ac8cfe9ef244f1597597e9fd42652c0e3962ad9eae68006
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD57d82e548637c5ad558f6753cd99ce951
SHA15603acfba42e7e87a527d33b4006f2da64a80e99
SHA256900211a71d76cada29c9d84f8350c2e795f76e13b666216055b537e23bc31863
SHA5124a5281208abb6043adf2670f8014e0348eebc601422513cb730e0282c8bfdb15c2c6a10037a385113d03d1fb3d922bbc4ace500366c94cdea91ef0e3ff38ccf8
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C:\Users\Admin\AppData\Local\Temp\226631715396775.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
MD589b3332ff9a588980b6ba4adea15e980
SHA1662bf7c35522c3c1cae37abd8c3324545f01ea73
SHA2567ddbc8b828d367ce380624855ed90b2a05f4d27987421cf74c9a4e6ae0233491
SHA51248ff7f66014a4e02d33cbf80b0fc52bcfdec07509501455f4c18ed1e1ec7196bf823630e39f00b3dfbaa366ca876b02923a798f40af9b86d31a315490e106174
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C:\Users\Admin\AppData\Local\Temp\m.wryFilesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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memory/3932-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB