Analysis
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max time kernel
149s -
max time network
98s -
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 03:04
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\Word\STARTUP\~SD6CA5.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD6C8E.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 696 !WannaDecryptor!.exe 2008 !WannaDecryptor!.exe 4508 !WannaDecryptor!.exe 3828 !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-1-5-21-1337824034-2731376981-3755436523-1000\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 3372 taskkill.exe 208 taskkill.exe 4492 taskkill.exe 3988 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 3988 taskkill.exe Token: SeDebugPrivilege 4492 taskkill.exe Token: SeDebugPrivilege 3372 taskkill.exe Token: SeDebugPrivilege 208 taskkill.exe Token: SeIncreaseQuotaPrivilege 1240 WMIC.exe Token: SeSecurityPrivilege 1240 WMIC.exe Token: SeTakeOwnershipPrivilege 1240 WMIC.exe Token: SeLoadDriverPrivilege 1240 WMIC.exe Token: SeSystemProfilePrivilege 1240 WMIC.exe Token: SeSystemtimePrivilege 1240 WMIC.exe Token: SeProfSingleProcessPrivilege 1240 WMIC.exe Token: SeIncBasePriorityPrivilege 1240 WMIC.exe Token: SeCreatePagefilePrivilege 1240 WMIC.exe Token: SeBackupPrivilege 1240 WMIC.exe Token: SeRestorePrivilege 1240 WMIC.exe Token: SeShutdownPrivilege 1240 WMIC.exe Token: SeDebugPrivilege 1240 WMIC.exe Token: SeSystemEnvironmentPrivilege 1240 WMIC.exe Token: SeRemoteShutdownPrivilege 1240 WMIC.exe Token: SeUndockPrivilege 1240 WMIC.exe Token: SeManageVolumePrivilege 1240 WMIC.exe Token: 33 1240 WMIC.exe Token: 34 1240 WMIC.exe Token: 35 1240 WMIC.exe Token: 36 1240 WMIC.exe Token: SeIncreaseQuotaPrivilege 1240 WMIC.exe Token: SeSecurityPrivilege 1240 WMIC.exe Token: SeTakeOwnershipPrivilege 1240 WMIC.exe Token: SeLoadDriverPrivilege 1240 WMIC.exe Token: SeSystemProfilePrivilege 1240 WMIC.exe Token: SeSystemtimePrivilege 1240 WMIC.exe Token: SeProfSingleProcessPrivilege 1240 WMIC.exe Token: SeIncBasePriorityPrivilege 1240 WMIC.exe Token: SeCreatePagefilePrivilege 1240 WMIC.exe Token: SeBackupPrivilege 1240 WMIC.exe Token: SeRestorePrivilege 1240 WMIC.exe Token: SeShutdownPrivilege 1240 WMIC.exe Token: SeDebugPrivilege 1240 WMIC.exe Token: SeSystemEnvironmentPrivilege 1240 WMIC.exe Token: SeRemoteShutdownPrivilege 1240 WMIC.exe Token: SeUndockPrivilege 1240 WMIC.exe Token: SeManageVolumePrivilege 1240 WMIC.exe Token: 33 1240 WMIC.exe Token: 34 1240 WMIC.exe Token: 35 1240 WMIC.exe Token: 36 1240 WMIC.exe Token: SeBackupPrivilege 652 vssvc.exe Token: SeRestorePrivilege 652 vssvc.exe Token: SeAuditPrivilege 652 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 696 !WannaDecryptor!.exe 696 !WannaDecryptor!.exe 2008 !WannaDecryptor!.exe 2008 !WannaDecryptor!.exe 4508 !WannaDecryptor!.exe 4508 !WannaDecryptor!.exe 3828 !WannaDecryptor!.exe 3828 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 916 wrote to memory of 3240 916 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 916 wrote to memory of 3240 916 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 916 wrote to memory of 3240 916 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3240 wrote to memory of 216 3240 cmd.exe cscript.exe PID 3240 wrote to memory of 216 3240 cmd.exe cscript.exe PID 3240 wrote to memory of 216 3240 cmd.exe cscript.exe PID 916 wrote to memory of 696 916 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 916 wrote to memory of 696 916 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 916 wrote to memory of 696 916 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 916 wrote to memory of 3988 916 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 916 wrote to memory of 3988 916 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 916 wrote to memory of 3988 916 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 916 wrote to memory of 4492 916 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 916 wrote to memory of 4492 916 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 916 wrote to memory of 4492 916 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 916 wrote to memory of 208 916 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 916 wrote to memory of 208 916 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 916 wrote to memory of 208 916 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 916 wrote to memory of 3372 916 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 916 wrote to memory of 3372 916 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 916 wrote to memory of 3372 916 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 916 wrote to memory of 2008 916 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 916 wrote to memory of 2008 916 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 916 wrote to memory of 2008 916 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 916 wrote to memory of 4220 916 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 916 wrote to memory of 4220 916 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 916 wrote to memory of 4220 916 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4220 wrote to memory of 4508 4220 cmd.exe !WannaDecryptor!.exe PID 4220 wrote to memory of 4508 4220 cmd.exe !WannaDecryptor!.exe PID 4220 wrote to memory of 4508 4220 cmd.exe !WannaDecryptor!.exe PID 916 wrote to memory of 3828 916 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 916 wrote to memory of 3828 916 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 916 wrote to memory of 3828 916 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4508 wrote to memory of 4412 4508 !WannaDecryptor!.exe cmd.exe PID 4508 wrote to memory of 4412 4508 !WannaDecryptor!.exe cmd.exe PID 4508 wrote to memory of 4412 4508 !WannaDecryptor!.exe cmd.exe PID 4412 wrote to memory of 1240 4412 cmd.exe WMIC.exe PID 4412 wrote to memory of 1240 4412 cmd.exe WMIC.exe PID 4412 wrote to memory of 1240 4412 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:916 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 45901715396663.bat2⤵
- Suspicious use of WriteProcessMemory
PID:3240 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:216
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:696 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3988 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4492 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:208 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3372 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2008 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:4220 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4508 -
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:4412 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1240 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:3828
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:652
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
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
MD5383208f91395b987bef26fdb6dbd64d7
SHA13bd9697f21ae832c29fd0876664b93cc774c14bc
SHA2562ae29612131a5378a9a5e52f36774070b273b4a6b23944071dfe2a22b17199c7
SHA512b7f8c4f539bd02d877f8ba6bd4ea007fccf67f39d09fa334eef8eee944f06c14da27ef420a6f6969e21309ec036b2bf83f4e962f6f6116bb8d3e46d2f608d2e2
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD50806698f1ca3f2a75c22f205ecdbe2f0
SHA18a5ec32eeb49a425e1ce2172d4ffd7d72ccb734d
SHA25646c736caa12603ffdd81aca3cc4ba6cffbef4cf2fbe5dabfd8fef263458dd0c8
SHA512d57012a7a78364d56f30791135430b18749c9b65cfd73ffd8a05862e08fa81d29be68e90a005d7d0bddea893820b6feed39dcda718c11cd4f98aeda23bca9304
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5a1eaaa5184a68950abaf3ba48183aecd
SHA175e1aeb7ff4928424c44af72a89deea261fa66d7
SHA2569c49c610113976bf73d12db380f5dd068b2c2cd7a3c1af0a7bb5dc5bcf2675a8
SHA512276c505091499200523aff996bf1707518904d512de648a6efa9cbbe7e06ac29c0850b1eca91a05c102f1303b2417936edaec165b277cb70d6d866cebae63c50
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5a340f1a64bd114eccc3bf7962e376d76
SHA1bf8230e23c8a25cc046a4eb348fb0c4c3dd5e122
SHA25608213e18255204e7db0b4ef28c5c480569d519019fdb2f2163a978503d5a38a8
SHA512811b070c1034afae989e91728b46b1f0d23024d9d2bbb715c0de8b7063442fa0100841ea14ed5ecad58656467e8b837329c5aab06d33e3b5cc53d036409969a6
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C:\Users\Admin\AppData\Local\Temp\45901715396663.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
MD542f342655fb50b21b10b223a81661938
SHA16e0e7cb9e5f5fa0177746758e2b376d76103c951
SHA256a67d82f32f3810ec3c81e073ed55abfc97e6fda8e3daab1c349ef7bce51d4dd5
SHA512b42f17f4015da7b2589034410140e9bacd9cf5d6292e840bc9328db1b093af745183dfb522f9afb3e04fa4df55fd2b8f2b05bc31838fba3a76ace9002826de09
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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/916-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB