Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
22-04-2024 13:17
Behavioral task
behavioral1
Sample
2024-04-22_e9b220e484d0526c883000011902314b_destroyer_wannacry.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-22_e9b220e484d0526c883000011902314b_destroyer_wannacry.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-22_e9b220e484d0526c883000011902314b_destroyer_wannacry.exe
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Size
46KB
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MD5
e9b220e484d0526c883000011902314b
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SHA1
0fd828b30b82decd203e580d54591a39b41c6795
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SHA256
29fd8c24e498db51eaf961e3f2a5702f50b3b60892979d9eee14c5cde35fdfdb
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SHA512
f65b510f24fa044361392c0b15bf985b94134969de65533fa3070e0dfb2a25fa789561babf9e477750030247b1e54d9fe98b4c19322c1d5f735458d52900d575
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SSDEEP
768:jqo2YOpYxQ9r9Wu9F8eXbwUpQYzF/VtH0NVHD7lxwp1Eev7H8l/uwee8:Oo2YpQ9r9Wu9pz9H0fjaEgHEn8
Malware Config
Extracted
C:\Users\Admin\Documents\read_it.txt
Signatures
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Chaos
Ransomware family first seen in June 2021.
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Chaos Ransomware 2 IoCs
Processes:
resource yara_rule behavioral2/memory/4344-0-0x0000000000CC0000-0x0000000000CD2000-memory.dmp family_chaos C:\Users\Admin\AppData\Roaming\svchost.exe family_chaos -
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Detects command variations typically used by ransomware 2 IoCs
Processes:
resource yara_rule behavioral2/memory/4344-0-0x0000000000CC0000-0x0000000000CD2000-memory.dmp INDICATOR_SUSPICIOUS_GENRansomware C:\Users\Admin\AppData\Roaming\svchost.exe INDICATOR_SUSPICIOUS_GENRansomware -
Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
Processes:
bcdedit.exebcdedit.exepid process 1608 bcdedit.exe 4388 bcdedit.exe -
Processes:
wbadmin.exepid process 4728 wbadmin.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
2024-04-22_e9b220e484d0526c883000011902314b_destroyer_wannacry.exesvchost.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\Control Panel\International\Geo\Nation 2024-04-22_e9b220e484d0526c883000011902314b_destroyer_wannacry.exe Key value queried \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\Control Panel\International\Geo\Nation svchost.exe -
Drops startup file 3 IoCs
Processes:
svchost.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.url svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini svchost.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\read_it.txt svchost.exe -
Executes dropped EXE 1 IoCs
Processes:
svchost.exepid process 2172 svchost.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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Drops desktop.ini file(s) 34 IoCs
Processes:
svchost.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini svchost.exe File opened for modification C:\Users\Public\Music\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Links\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Documents\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AccountPictures\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Admin\OneDrive\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini svchost.exe File opened for modification C:\Users\Public\Desktop\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Pictures\Camera Roll\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Music\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Searches\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Videos\desktop.ini svchost.exe File opened for modification C:\Users\Public\Videos\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini svchost.exe File opened for modification C:\Users\Public\Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\System Tools\Desktop.ini svchost.exe File opened for modification C:\Users\Public\Documents\desktop.ini svchost.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-2177723727-746291240-1644359950-1000\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini svchost.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
svchost.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\d45lr3s6w.jpg" svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks SCSI registry key(s) 3 TTPs 4 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
vds.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_DADY&PROD_HARDDISK\4&215468A5&0&000000 vds.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName vds.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_QEMU&PROD_QEMU_DVD-ROM\4&215468A5&0&010000 vds.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\FriendlyName vds.exe -
Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
Processes:
vssadmin.exepid process 1452 vssadmin.exe -
Modifies registry class 1 IoCs
Processes:
svchost.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000_Classes\Local Settings svchost.exe -
Opens file in notepad (likely ransom note) 1 IoCs
Processes:
NOTEPAD.EXEpid process 3792 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
svchost.exepid process 2172 svchost.exe -
Suspicious behavior: EnumeratesProcesses 51 IoCs
Processes:
2024-04-22_e9b220e484d0526c883000011902314b_destroyer_wannacry.exesvchost.exepid process 4344 2024-04-22_e9b220e484d0526c883000011902314b_destroyer_wannacry.exe 4344 2024-04-22_e9b220e484d0526c883000011902314b_destroyer_wannacry.exe 4344 2024-04-22_e9b220e484d0526c883000011902314b_destroyer_wannacry.exe 4344 2024-04-22_e9b220e484d0526c883000011902314b_destroyer_wannacry.exe 4344 2024-04-22_e9b220e484d0526c883000011902314b_destroyer_wannacry.exe 4344 2024-04-22_e9b220e484d0526c883000011902314b_destroyer_wannacry.exe 4344 2024-04-22_e9b220e484d0526c883000011902314b_destroyer_wannacry.exe 4344 2024-04-22_e9b220e484d0526c883000011902314b_destroyer_wannacry.exe 4344 2024-04-22_e9b220e484d0526c883000011902314b_destroyer_wannacry.exe 4344 2024-04-22_e9b220e484d0526c883000011902314b_destroyer_wannacry.exe 4344 2024-04-22_e9b220e484d0526c883000011902314b_destroyer_wannacry.exe 4344 2024-04-22_e9b220e484d0526c883000011902314b_destroyer_wannacry.exe 4344 2024-04-22_e9b220e484d0526c883000011902314b_destroyer_wannacry.exe 4344 2024-04-22_e9b220e484d0526c883000011902314b_destroyer_wannacry.exe 4344 2024-04-22_e9b220e484d0526c883000011902314b_destroyer_wannacry.exe 4344 2024-04-22_e9b220e484d0526c883000011902314b_destroyer_wannacry.exe 4344 2024-04-22_e9b220e484d0526c883000011902314b_destroyer_wannacry.exe 4344 2024-04-22_e9b220e484d0526c883000011902314b_destroyer_wannacry.exe 4344 2024-04-22_e9b220e484d0526c883000011902314b_destroyer_wannacry.exe 4344 2024-04-22_e9b220e484d0526c883000011902314b_destroyer_wannacry.exe 4344 2024-04-22_e9b220e484d0526c883000011902314b_destroyer_wannacry.exe 4344 2024-04-22_e9b220e484d0526c883000011902314b_destroyer_wannacry.exe 4344 2024-04-22_e9b220e484d0526c883000011902314b_destroyer_wannacry.exe 4344 2024-04-22_e9b220e484d0526c883000011902314b_destroyer_wannacry.exe 4344 2024-04-22_e9b220e484d0526c883000011902314b_destroyer_wannacry.exe 2172 svchost.exe 2172 svchost.exe 2172 svchost.exe 2172 svchost.exe 2172 svchost.exe 2172 svchost.exe 2172 svchost.exe 2172 svchost.exe 2172 svchost.exe 2172 svchost.exe 2172 svchost.exe 2172 svchost.exe 2172 svchost.exe 2172 svchost.exe 2172 svchost.exe 2172 svchost.exe 2172 svchost.exe 2172 svchost.exe 2172 svchost.exe 2172 svchost.exe 2172 svchost.exe 2172 svchost.exe 2172 svchost.exe 2172 svchost.exe 2172 svchost.exe 2172 svchost.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
Processes:
2024-04-22_e9b220e484d0526c883000011902314b_destroyer_wannacry.exesvchost.exevssvc.exeWMIC.exewbengine.exedescription pid process Token: SeDebugPrivilege 4344 2024-04-22_e9b220e484d0526c883000011902314b_destroyer_wannacry.exe Token: SeDebugPrivilege 2172 svchost.exe Token: SeBackupPrivilege 2292 vssvc.exe Token: SeRestorePrivilege 2292 vssvc.exe Token: SeAuditPrivilege 2292 vssvc.exe Token: SeIncreaseQuotaPrivilege 3668 WMIC.exe Token: SeSecurityPrivilege 3668 WMIC.exe Token: SeTakeOwnershipPrivilege 3668 WMIC.exe Token: SeLoadDriverPrivilege 3668 WMIC.exe Token: SeSystemProfilePrivilege 3668 WMIC.exe Token: SeSystemtimePrivilege 3668 WMIC.exe Token: SeProfSingleProcessPrivilege 3668 WMIC.exe Token: SeIncBasePriorityPrivilege 3668 WMIC.exe Token: SeCreatePagefilePrivilege 3668 WMIC.exe Token: SeBackupPrivilege 3668 WMIC.exe Token: SeRestorePrivilege 3668 WMIC.exe Token: SeShutdownPrivilege 3668 WMIC.exe Token: SeDebugPrivilege 3668 WMIC.exe Token: SeSystemEnvironmentPrivilege 3668 WMIC.exe Token: SeRemoteShutdownPrivilege 3668 WMIC.exe Token: SeUndockPrivilege 3668 WMIC.exe Token: SeManageVolumePrivilege 3668 WMIC.exe Token: 33 3668 WMIC.exe Token: 34 3668 WMIC.exe Token: 35 3668 WMIC.exe Token: 36 3668 WMIC.exe Token: SeIncreaseQuotaPrivilege 3668 WMIC.exe Token: SeSecurityPrivilege 3668 WMIC.exe Token: SeTakeOwnershipPrivilege 3668 WMIC.exe Token: SeLoadDriverPrivilege 3668 WMIC.exe Token: SeSystemProfilePrivilege 3668 WMIC.exe Token: SeSystemtimePrivilege 3668 WMIC.exe Token: SeProfSingleProcessPrivilege 3668 WMIC.exe Token: SeIncBasePriorityPrivilege 3668 WMIC.exe Token: SeCreatePagefilePrivilege 3668 WMIC.exe Token: SeBackupPrivilege 3668 WMIC.exe Token: SeRestorePrivilege 3668 WMIC.exe Token: SeShutdownPrivilege 3668 WMIC.exe Token: SeDebugPrivilege 3668 WMIC.exe Token: SeSystemEnvironmentPrivilege 3668 WMIC.exe Token: SeRemoteShutdownPrivilege 3668 WMIC.exe Token: SeUndockPrivilege 3668 WMIC.exe Token: SeManageVolumePrivilege 3668 WMIC.exe Token: 33 3668 WMIC.exe Token: 34 3668 WMIC.exe Token: 35 3668 WMIC.exe Token: 36 3668 WMIC.exe Token: SeBackupPrivilege 3868 wbengine.exe Token: SeRestorePrivilege 3868 wbengine.exe Token: SeSecurityPrivilege 3868 wbengine.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
2024-04-22_e9b220e484d0526c883000011902314b_destroyer_wannacry.exesvchost.execmd.execmd.execmd.exedescription pid process target process PID 4344 wrote to memory of 2172 4344 2024-04-22_e9b220e484d0526c883000011902314b_destroyer_wannacry.exe svchost.exe PID 4344 wrote to memory of 2172 4344 2024-04-22_e9b220e484d0526c883000011902314b_destroyer_wannacry.exe svchost.exe PID 2172 wrote to memory of 1592 2172 svchost.exe cmd.exe PID 2172 wrote to memory of 1592 2172 svchost.exe cmd.exe PID 1592 wrote to memory of 1452 1592 cmd.exe vssadmin.exe PID 1592 wrote to memory of 1452 1592 cmd.exe vssadmin.exe PID 1592 wrote to memory of 3668 1592 cmd.exe WMIC.exe PID 1592 wrote to memory of 3668 1592 cmd.exe WMIC.exe PID 2172 wrote to memory of 3036 2172 svchost.exe cmd.exe PID 2172 wrote to memory of 3036 2172 svchost.exe cmd.exe PID 3036 wrote to memory of 1608 3036 cmd.exe bcdedit.exe PID 3036 wrote to memory of 1608 3036 cmd.exe bcdedit.exe PID 3036 wrote to memory of 4388 3036 cmd.exe bcdedit.exe PID 3036 wrote to memory of 4388 3036 cmd.exe bcdedit.exe PID 2172 wrote to memory of 3504 2172 svchost.exe cmd.exe PID 2172 wrote to memory of 3504 2172 svchost.exe cmd.exe PID 3504 wrote to memory of 4728 3504 cmd.exe wbadmin.exe PID 3504 wrote to memory of 4728 3504 cmd.exe wbadmin.exe PID 2172 wrote to memory of 3792 2172 svchost.exe NOTEPAD.EXE PID 2172 wrote to memory of 3792 2172 svchost.exe NOTEPAD.EXE -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
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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\2024-04-22_e9b220e484d0526c883000011902314b_destroyer_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-22_e9b220e484d0526c883000011902314b_destroyer_wannacry.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe"2⤵
- Checks computer location settings
- Drops startup file
- Executes dropped EXE
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
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C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\read_it.txt3⤵
- Opens file in notepad (likely ransom note)
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\svchost.exeFilesize
46KB
MD5e9b220e484d0526c883000011902314b
SHA10fd828b30b82decd203e580d54591a39b41c6795
SHA25629fd8c24e498db51eaf961e3f2a5702f50b3b60892979d9eee14c5cde35fdfdb
SHA512f65b510f24fa044361392c0b15bf985b94134969de65533fa3070e0dfb2a25fa789561babf9e477750030247b1e54d9fe98b4c19322c1d5f735458d52900d575
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C:\Users\Admin\Documents\read_it.txtFilesize
475B
MD517ed41ce9a398617004e0240a9c2e602
SHA1b2b10f2535d1db228c25c89317baa439f9584184
SHA256ecee28979cf62e27980a26d8feca32cb961e8b61a516705c677d96166fd3b912
SHA512ec1d61e42e32eed3a3069490fb4dd171165a5f35aa9015ec5f06f1dd1d85648dc969c81fb050cfc56d20f6a6e67a5be58b2d7cb20f2dba8f9af9a7f486077de0
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memory/2172-15-0x00007FFCF4210000-0x00007FFCF4CD1000-memory.dmpFilesize
10.8MB
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memory/2172-445-0x00007FFCF4210000-0x00007FFCF4CD1000-memory.dmpFilesize
10.8MB
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memory/4344-0-0x0000000000CC0000-0x0000000000CD2000-memory.dmpFilesize
72KB
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memory/4344-1-0x00007FFCF4210000-0x00007FFCF4CD1000-memory.dmpFilesize
10.8MB
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memory/4344-14-0x00007FFCF4210000-0x00007FFCF4CD1000-memory.dmpFilesize
10.8MB