Analysis
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max time kernel
151s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
01-12-2022 02:02
Static task
static1
Behavioral task
behavioral1
Sample
87bff59bbace0bb849b2c5283cbd83722da46db61119e5eec9274be644dc8c49.exe
Resource
win7-20220901-en
General
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Target
87bff59bbace0bb849b2c5283cbd83722da46db61119e5eec9274be644dc8c49.exe
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Size
3.0MB
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MD5
01b9803dd17e0f07980ac1802d4534e0
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SHA1
9bd8103fa36d3c16acb3d1ad11e759853b94643b
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SHA256
87bff59bbace0bb849b2c5283cbd83722da46db61119e5eec9274be644dc8c49
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SHA512
a965e61f69e71dd83450ec7d8c4e000fd5ddb3fd2ba52d20b7e5395b6cf8e3245e9349908148b75c187802f33e87928175fb98365ef793fa2b0f8b78956eff9d
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SSDEEP
12288:Ud9twT6uXhgX4WA1komG7x3YvJSO5b8RfRF5yLzDmkysKDwcLLPu/caYkDybdee0:+9DqhdfRRnIg0o2pdwwbss1Tfz8jMtI
Malware Config
Extracted
cybergate
v3.4.2.2
Bot
darkdns.no-ip.info:999
55A57Q3S651H5M
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enable_keylogger
false
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enable_message_box
false
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ftp_directory
./logs
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ftp_interval
30
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injected_process
explorer.exe
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install_dir
install
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install_file
server.exe
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install_flag
true
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keylogger_enable_ftp
false
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message_box_caption
Remote Administration anywhere in the world.
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message_box_title
CyberGate
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password
cybergate
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regkey_hkcu
HKCU
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regkey_hklm
HKLM
Signatures
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Adds policy Run key to start application 2 TTPs 4 IoCs
Processes:
svchost.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "C:\\install\\server.exe" svchost.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "C:\\install\\server.exe" svchost.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run svchost.exe -
Executes dropped EXE 2 IoCs
Processes:
svchost.exeserver.exepid process 4212 svchost.exe 4156 server.exe -
Modifies Installed Components in the registry 2 TTPs 4 IoCs
Processes:
svchost.exeexplorer.exedescription ioc process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{1FNDN1Q8-I5L5-8467-1616-X56KUT6KA2HP} svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{1FNDN1Q8-I5L5-8467-1616-X56KUT6KA2HP}\StubPath = "C:\\install\\server.exe Restart" svchost.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{1FNDN1Q8-I5L5-8467-1616-X56KUT6KA2HP} explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{1FNDN1Q8-I5L5-8467-1616-X56KUT6KA2HP}\StubPath = "C:\\install\\server.exe" explorer.exe -
Processes:
resource yara_rule behavioral2/memory/4212-142-0x0000000010410000-0x0000000010480000-memory.dmp upx behavioral2/memory/4212-147-0x0000000010480000-0x00000000104F0000-memory.dmp upx behavioral2/memory/1340-150-0x0000000010480000-0x00000000104F0000-memory.dmp upx behavioral2/memory/1340-153-0x0000000010480000-0x00000000104F0000-memory.dmp upx behavioral2/memory/4212-155-0x00000000104F0000-0x0000000010560000-memory.dmp upx behavioral2/memory/4212-160-0x0000000010560000-0x00000000105D0000-memory.dmp upx behavioral2/memory/5068-163-0x0000000010560000-0x00000000105D0000-memory.dmp upx behavioral2/memory/5068-164-0x0000000010560000-0x00000000105D0000-memory.dmp upx behavioral2/memory/5068-168-0x0000000010560000-0x00000000105D0000-memory.dmp upx -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
svchost.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation svchost.exe -
Adds Run key to start application 2 TTPs 4 IoCs
Processes:
svchost.exedescription ioc process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\install\\server.exe" svchost.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run svchost.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\install\\server.exe" svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
87bff59bbace0bb849b2c5283cbd83722da46db61119e5eec9274be644dc8c49.exedescription pid process target process PID 3368 set thread context of 4212 3368 87bff59bbace0bb849b2c5283cbd83722da46db61119e5eec9274be644dc8c49.exe svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
svchost.exepid process 4212 svchost.exe 4212 svchost.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
explorer.exedescription pid process Token: SeDebugPrivilege 5068 explorer.exe Token: SeDebugPrivilege 5068 explorer.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
svchost.exepid process 4212 svchost.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
87bff59bbace0bb849b2c5283cbd83722da46db61119e5eec9274be644dc8c49.exesvchost.exedescription pid process target process PID 3368 wrote to memory of 4212 3368 87bff59bbace0bb849b2c5283cbd83722da46db61119e5eec9274be644dc8c49.exe svchost.exe PID 3368 wrote to memory of 4212 3368 87bff59bbace0bb849b2c5283cbd83722da46db61119e5eec9274be644dc8c49.exe svchost.exe PID 3368 wrote to memory of 4212 3368 87bff59bbace0bb849b2c5283cbd83722da46db61119e5eec9274be644dc8c49.exe svchost.exe PID 3368 wrote to memory of 4212 3368 87bff59bbace0bb849b2c5283cbd83722da46db61119e5eec9274be644dc8c49.exe svchost.exe PID 3368 wrote to memory of 4212 3368 87bff59bbace0bb849b2c5283cbd83722da46db61119e5eec9274be644dc8c49.exe svchost.exe PID 3368 wrote to memory of 4212 3368 87bff59bbace0bb849b2c5283cbd83722da46db61119e5eec9274be644dc8c49.exe svchost.exe PID 3368 wrote to memory of 4212 3368 87bff59bbace0bb849b2c5283cbd83722da46db61119e5eec9274be644dc8c49.exe svchost.exe PID 3368 wrote to memory of 4212 3368 87bff59bbace0bb849b2c5283cbd83722da46db61119e5eec9274be644dc8c49.exe svchost.exe PID 3368 wrote to memory of 4212 3368 87bff59bbace0bb849b2c5283cbd83722da46db61119e5eec9274be644dc8c49.exe svchost.exe PID 3368 wrote to memory of 4212 3368 87bff59bbace0bb849b2c5283cbd83722da46db61119e5eec9274be644dc8c49.exe svchost.exe PID 3368 wrote to memory of 4212 3368 87bff59bbace0bb849b2c5283cbd83722da46db61119e5eec9274be644dc8c49.exe svchost.exe PID 3368 wrote to memory of 4212 3368 87bff59bbace0bb849b2c5283cbd83722da46db61119e5eec9274be644dc8c49.exe svchost.exe PID 3368 wrote to memory of 4212 3368 87bff59bbace0bb849b2c5283cbd83722da46db61119e5eec9274be644dc8c49.exe svchost.exe PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE PID 4212 wrote to memory of 3056 4212 svchost.exe Explorer.EXE
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
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C:\Users\Admin\AppData\Local\Temp\87bff59bbace0bb849b2c5283cbd83722da46db61119e5eec9274be644dc8c49.exe"C:\Users\Admin\AppData\Local\Temp\87bff59bbace0bb849b2c5283cbd83722da46db61119e5eec9274be644dc8c49.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\svchost.exeC:\Users\Admin\AppData\Local\Temp\svchost.exe3⤵
- Adds policy Run key to start application
- Executes dropped EXE
- Modifies Installed Components in the registry
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\explorer.exeexplorer.exe4⤵
- Modifies Installed Components in the registry
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"4⤵
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C:\Windows\SysWOW64\explorer.exeexplorer.exe4⤵
- Suspicious use of AdjustPrivilegeToken
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C:\install\server.exe"C:\install\server.exe"4⤵
- Executes dropped EXE
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\Admin2.txtFilesize
385KB
MD51e4dac6638b7a8a91110add46c8dbd5c
SHA1c8951a042f986e658c47addce548c1a93ed3592e
SHA2561e06d3b8229770181b0c82bee202272121676e3ac780d90689d11d28215d6465
SHA512d5fec965287985aa68fd4be29a3ddd947c6e74cb6c185d7d90dc0525549386ed88649361f9071d554adf6e9a9efbab8ff90bcc31e98d907bf2956326580b132d
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C:\Users\Admin\AppData\Local\Temp\svchost.exeFilesize
1.1MB
MD5d881de17aa8f2e2c08cbb7b265f928f9
SHA108936aebc87decf0af6e8eada191062b5e65ac2a
SHA256b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0
SHA5125f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34
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C:\Users\Admin\AppData\Local\Temp\svchost.exeFilesize
1.1MB
MD5d881de17aa8f2e2c08cbb7b265f928f9
SHA108936aebc87decf0af6e8eada191062b5e65ac2a
SHA256b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0
SHA5125f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34
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C:\install\server.exeFilesize
1.1MB
MD5d881de17aa8f2e2c08cbb7b265f928f9
SHA108936aebc87decf0af6e8eada191062b5e65ac2a
SHA256b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0
SHA5125f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34
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C:\install\server.exeFilesize
1.1MB
MD5d881de17aa8f2e2c08cbb7b265f928f9
SHA108936aebc87decf0af6e8eada191062b5e65ac2a
SHA256b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0
SHA5125f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34
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memory/1340-150-0x0000000010480000-0x00000000104F0000-memory.dmpFilesize
448KB
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memory/1340-153-0x0000000010480000-0x00000000104F0000-memory.dmpFilesize
448KB
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memory/1340-146-0x0000000000000000-mapping.dmp
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memory/3368-135-0x0000000075320000-0x00000000758D1000-memory.dmpFilesize
5.7MB
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memory/3368-139-0x0000000075320000-0x00000000758D1000-memory.dmpFilesize
5.7MB
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memory/4156-165-0x0000000000000000-mapping.dmp
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memory/4212-137-0x0000000000400000-0x0000000000471000-memory.dmpFilesize
452KB
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memory/4212-160-0x0000000010560000-0x00000000105D0000-memory.dmpFilesize
448KB
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memory/4212-147-0x0000000010480000-0x00000000104F0000-memory.dmpFilesize
448KB
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memory/4212-138-0x0000000000400000-0x0000000000471000-memory.dmpFilesize
452KB
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memory/4212-142-0x0000000010410000-0x0000000010480000-memory.dmpFilesize
448KB
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memory/4212-155-0x00000000104F0000-0x0000000010560000-memory.dmpFilesize
448KB
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memory/4212-167-0x0000000000400000-0x0000000000471000-memory.dmpFilesize
452KB
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memory/4212-132-0x0000000000000000-mapping.dmp
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memory/4212-133-0x0000000000400000-0x0000000000471000-memory.dmpFilesize
452KB
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memory/4212-140-0x0000000000400000-0x0000000000471000-memory.dmpFilesize
452KB
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memory/5068-164-0x0000000010560000-0x00000000105D0000-memory.dmpFilesize
448KB
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memory/5068-163-0x0000000010560000-0x00000000105D0000-memory.dmpFilesize
448KB
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memory/5068-159-0x0000000000000000-mapping.dmp
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memory/5068-168-0x0000000010560000-0x00000000105D0000-memory.dmpFilesize
448KB