Analysis
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max time kernel
147s -
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
14-04-2024 07:34
Static task
static1
Behavioral task
behavioral1
Sample
40ba4a68575cda8b4da56ef2efae3f3c217bf7b78d68c29086e86d324d3ebffa.exe
Resource
win10v2004-20240412-en
General
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Target
40ba4a68575cda8b4da56ef2efae3f3c217bf7b78d68c29086e86d324d3ebffa.exe
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Size
605KB
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MD5
78f7efed48c531657b84cd66911c7eef
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SHA1
eedcf0f081c78adfcefe3e9208bc83b252f1b4aa
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SHA256
40ba4a68575cda8b4da56ef2efae3f3c217bf7b78d68c29086e86d324d3ebffa
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SHA512
519a27a1d28e855d2b8c128f8723200ff7f790069f8087a2c6470e8437b12192a444a79ff4024cf278215db718391e770b783dc167ea321efbfc76e2411c26df
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SSDEEP
12288:JvqsfIozrJqppjn1rmq12WaD+1Fri1xbcR:h9vrMjn1r5aCjg9cR
Malware Config
Extracted
asyncrat
Default
127.0.0.1:6606
127.0.0.1:7707
127.0.0.1:8808
AsyncMutex_6SI8OkPnk
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delay
3
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install
false
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install_folder
%AppData%
Signatures
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Processes:
40ba4a68575cda8b4da56ef2efae3f3c217bf7b78d68c29086e86d324d3ebffa.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\Control Panel\International\Geo\Nation 40ba4a68575cda8b4da56ef2efae3f3c217bf7b78d68c29086e86d324d3ebffa.exe 23 ip-api.com 29 icanhazip.com -
StormKitty
StormKitty is an open source info stealer written in C#.
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StormKitty payload 2 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\Orifaaywu.exe family_stormkitty behavioral1/memory/4432-30-0x0000000000760000-0x0000000000792000-memory.dmp family_stormkitty -
Async RAT payload 1 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\Orifaaywu.exe family_asyncrat -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
40ba4a68575cda8b4da56ef2efae3f3c217bf7b78d68c29086e86d324d3ebffa.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\Control Panel\International\Geo\Nation 40ba4a68575cda8b4da56ef2efae3f3c217bf7b78d68c29086e86d324d3ebffa.exe -
Executes dropped EXE 3 IoCs
Processes:
Orifaaywu.exeVqmqsfffubp.exeSpotify.exepid process 4432 Orifaaywu.exe 2208 Vqmqsfffubp.exe 2660 Spotify.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) 9 IoCs
Processes:
Orifaaywu.exedescription ioc process File created C:\Users\Admin\AppData\Local\03c164f6b151f39fecacc790fef4edc5\Admin@GYXYZBUQ_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini Orifaaywu.exe File created C:\Users\Admin\AppData\Local\03c164f6b151f39fecacc790fef4edc5\Admin@GYXYZBUQ_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini Orifaaywu.exe File created C:\Users\Admin\AppData\Local\03c164f6b151f39fecacc790fef4edc5\Admin@GYXYZBUQ_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Saved Pictures\desktop.ini Orifaaywu.exe File created C:\Users\Admin\AppData\Local\03c164f6b151f39fecacc790fef4edc5\Admin@GYXYZBUQ_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Camera Roll\desktop.ini Orifaaywu.exe File created C:\Users\Admin\AppData\Local\03c164f6b151f39fecacc790fef4edc5\Admin@GYXYZBUQ_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini Orifaaywu.exe File opened for modification C:\Users\Admin\AppData\Local\03c164f6b151f39fecacc790fef4edc5\Admin@GYXYZBUQ_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini Orifaaywu.exe File opened for modification C:\Users\Admin\AppData\Local\03c164f6b151f39fecacc790fef4edc5\Admin@GYXYZBUQ_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini Orifaaywu.exe File opened for modification C:\Users\Admin\AppData\Local\03c164f6b151f39fecacc790fef4edc5\Admin@GYXYZBUQ_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini Orifaaywu.exe File created C:\Users\Admin\AppData\Local\03c164f6b151f39fecacc790fef4edc5\Admin@GYXYZBUQ_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini Orifaaywu.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 23 ip-api.com 29 icanhazip.com -
Looks up geolocation information via web service
Uses a legitimate geolocation service to find the infected system's geolocation info.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
Orifaaywu.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 Orifaaywu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier Orifaaywu.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 1752 schtasks.exe 3360 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 23 IoCs
Processes:
Orifaaywu.exepid process 4432 Orifaaywu.exe 4432 Orifaaywu.exe 4432 Orifaaywu.exe 4432 Orifaaywu.exe 4432 Orifaaywu.exe 4432 Orifaaywu.exe 4432 Orifaaywu.exe 4432 Orifaaywu.exe 4432 Orifaaywu.exe 4432 Orifaaywu.exe 4432 Orifaaywu.exe 4432 Orifaaywu.exe 4432 Orifaaywu.exe 4432 Orifaaywu.exe 4432 Orifaaywu.exe 4432 Orifaaywu.exe 4432 Orifaaywu.exe 4432 Orifaaywu.exe 4432 Orifaaywu.exe 4432 Orifaaywu.exe 4432 Orifaaywu.exe 4432 Orifaaywu.exe 4432 Orifaaywu.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
Orifaaywu.exeVqmqsfffubp.exeSpotify.exedescription pid process Token: SeDebugPrivilege 4432 Orifaaywu.exe Token: SeDebugPrivilege 2208 Vqmqsfffubp.exe Token: SeDebugPrivilege 2660 Spotify.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Spotify.exepid process 2660 Spotify.exe -
Suspicious use of WriteProcessMemory 32 IoCs
Processes:
40ba4a68575cda8b4da56ef2efae3f3c217bf7b78d68c29086e86d324d3ebffa.exeVqmqsfffubp.exeSpotify.exeOrifaaywu.execmd.execmd.exedescription pid process target process PID 3052 wrote to memory of 4432 3052 40ba4a68575cda8b4da56ef2efae3f3c217bf7b78d68c29086e86d324d3ebffa.exe Orifaaywu.exe PID 3052 wrote to memory of 4432 3052 40ba4a68575cda8b4da56ef2efae3f3c217bf7b78d68c29086e86d324d3ebffa.exe Orifaaywu.exe PID 3052 wrote to memory of 4432 3052 40ba4a68575cda8b4da56ef2efae3f3c217bf7b78d68c29086e86d324d3ebffa.exe Orifaaywu.exe PID 3052 wrote to memory of 2208 3052 40ba4a68575cda8b4da56ef2efae3f3c217bf7b78d68c29086e86d324d3ebffa.exe Vqmqsfffubp.exe PID 3052 wrote to memory of 2208 3052 40ba4a68575cda8b4da56ef2efae3f3c217bf7b78d68c29086e86d324d3ebffa.exe Vqmqsfffubp.exe PID 2208 wrote to memory of 1752 2208 Vqmqsfffubp.exe schtasks.exe PID 2208 wrote to memory of 1752 2208 Vqmqsfffubp.exe schtasks.exe PID 2208 wrote to memory of 2660 2208 Vqmqsfffubp.exe Spotify.exe PID 2208 wrote to memory of 2660 2208 Vqmqsfffubp.exe Spotify.exe PID 2660 wrote to memory of 3360 2660 Spotify.exe schtasks.exe PID 2660 wrote to memory of 3360 2660 Spotify.exe schtasks.exe PID 4432 wrote to memory of 3504 4432 Orifaaywu.exe cmd.exe PID 4432 wrote to memory of 3504 4432 Orifaaywu.exe cmd.exe PID 4432 wrote to memory of 3504 4432 Orifaaywu.exe cmd.exe PID 3504 wrote to memory of 4452 3504 cmd.exe chcp.com PID 3504 wrote to memory of 4452 3504 cmd.exe chcp.com PID 3504 wrote to memory of 4452 3504 cmd.exe chcp.com PID 3504 wrote to memory of 4660 3504 cmd.exe netsh.exe PID 3504 wrote to memory of 4660 3504 cmd.exe netsh.exe PID 3504 wrote to memory of 4660 3504 cmd.exe netsh.exe PID 3504 wrote to memory of 4372 3504 cmd.exe findstr.exe PID 3504 wrote to memory of 4372 3504 cmd.exe findstr.exe PID 3504 wrote to memory of 4372 3504 cmd.exe findstr.exe PID 4432 wrote to memory of 4752 4432 Orifaaywu.exe cmd.exe PID 4432 wrote to memory of 4752 4432 Orifaaywu.exe cmd.exe PID 4432 wrote to memory of 4752 4432 Orifaaywu.exe cmd.exe PID 4752 wrote to memory of 2060 4752 cmd.exe chcp.com PID 4752 wrote to memory of 2060 4752 cmd.exe chcp.com PID 4752 wrote to memory of 2060 4752 cmd.exe chcp.com PID 4752 wrote to memory of 1144 4752 cmd.exe netsh.exe PID 4752 wrote to memory of 1144 4752 cmd.exe netsh.exe PID 4752 wrote to memory of 1144 4752 cmd.exe netsh.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.
Processes
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C:\Users\Admin\AppData\Local\Temp\40ba4a68575cda8b4da56ef2efae3f3c217bf7b78d68c29086e86d324d3ebffa.exe"C:\Users\Admin\AppData\Local\Temp\40ba4a68575cda8b4da56ef2efae3f3c217bf7b78d68c29086e86d324d3ebffa.exe"1⤵
- Quasar RAT
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Orifaaywu.exe"C:\Users\Admin\AppData\Local\Temp\Orifaaywu.exe"2⤵
- Executes dropped EXE
- Drops desktop.ini file(s)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\chcp.comchcp 650014⤵
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C:\Windows\SysWOW64\netsh.exenetsh wlan show profile4⤵
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C:\Windows\SysWOW64\findstr.exefindstr All4⤵
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\chcp.comchcp 650014⤵
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C:\Windows\SysWOW64\netsh.exenetsh wlan show networks mode=bssid4⤵
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C:\Users\Admin\AppData\Local\Temp\Vqmqsfffubp.exe"C:\Users\Admin\AppData\Local\Temp\Vqmqsfffubp.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Spotify" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\Vqmqsfffubp.exe" /rl HIGHEST /f3⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Roaming\SpotifyClient\Spotify.exe"C:\Users\Admin\AppData\Roaming\SpotifyClient\Spotify.exe"3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Spotify" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SpotifyClient\Spotify.exe" /rl HIGHEST /f4⤵
- Creates scheduled task(s)
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\03c164f6b151f39fecacc790fef4edc5\Admin@GYXYZBUQ_en-US\Browsers\Firefox\Bookmarks.txtFilesize
105B
MD52e9d094dda5cdc3ce6519f75943a4ff4
SHA15d989b4ac8b699781681fe75ed9ef98191a5096c
SHA256c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142
SHA512d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7
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C:\Users\Admin\AppData\Local\03c164f6b151f39fecacc790fef4edc5\Admin@GYXYZBUQ_en-US\System\Process.txtFilesize
4KB
MD5448cf1cf626cd61c40def2db86053bb6
SHA1e9425b50397b1c9d69c6cab40e8dc3d53c320b6b
SHA25667d4350885a50cf91901730648088132746fc24bf133ac105915da05bfc1e15b
SHA5123882a400b649f523aec62de62099f5a17fcb0bce231f5d0929c415c8a715b88c6e331525e2fca202c5946ed6715ec040e38353569cf107bbc61d6e6247e6c043
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C:\Users\Admin\AppData\Local\2e6ec9c6f2bda89ec4fefe5b47763b7e\msgid.datFilesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
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C:\Users\Admin\AppData\Local\Temp\Orifaaywu.exeFilesize
175KB
MD503c26f9adbebd81f75300a22979d475e
SHA18d10f68a2ef94e2cd9fbb015bf7885a71d9709bd
SHA2564ff2fde65efb563f5e895f398ed45ef76ae9284a31ffbe5f15494979fce2915a
SHA512a4b7f2b13b869354cd8356b3469600a45b63462b3d3fda253f501af6ab47a2621c7b60601ec7f5fb85b2d46b383c25440fc994f8fa2023c1b4b80492dac21a90
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C:\Users\Admin\AppData\Local\Temp\Vqmqsfffubp.exeFilesize
341KB
MD58d05530a8e54a9b42a448d04d25b34f5
SHA1b51acdfbffbb325eb8d9011bd9d472fa9e4469c5
SHA2564d96f6d4fc4ae3a5f9d6a68870520c2a5c6909e19938ade289788b6e09d8888f
SHA512ac7081bdb5ef75d04d05e8c1c0398dfe7bcea048d9aef7ffcf5d14435f40f391762684d1bf608f573be234c60ced9032857f3a35c91750329317627f5beac4ba
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memory/2208-35-0x0000000002FC0000-0x0000000002FFC000-memory.dmpFilesize
240KB
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memory/2208-28-0x0000000001480000-0x000000000151E000-memory.dmpFilesize
632KB
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memory/2208-27-0x00007FFFEFE60000-0x00007FFFF0921000-memory.dmpFilesize
10.8MB
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memory/2208-26-0x0000000000B20000-0x0000000000B28000-memory.dmpFilesize
32KB
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memory/2208-42-0x00007FFFEFE60000-0x00007FFFF0921000-memory.dmpFilesize
10.8MB
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memory/2208-32-0x0000000002E60000-0x0000000002E70000-memory.dmpFilesize
64KB
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memory/2208-34-0x0000000001340000-0x0000000001352000-memory.dmpFilesize
72KB
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memory/2660-203-0x00007FFFEFE60000-0x00007FFFF0921000-memory.dmpFilesize
10.8MB
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memory/2660-41-0x00007FFFEFE60000-0x00007FFFF0921000-memory.dmpFilesize
10.8MB
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memory/2660-204-0x000000001AEC0000-0x000000001AED0000-memory.dmpFilesize
64KB
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memory/3052-29-0x00007FFFEFE60000-0x00007FFFF0921000-memory.dmpFilesize
10.8MB
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memory/3052-0-0x0000000000C20000-0x0000000000CBC000-memory.dmpFilesize
624KB
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memory/3052-2-0x0000000002FB0000-0x0000000002FC0000-memory.dmpFilesize
64KB
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memory/3052-1-0x00007FFFEFE60000-0x00007FFFF0921000-memory.dmpFilesize
10.8MB
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memory/4432-33-0x0000000005000000-0x0000000005010000-memory.dmpFilesize
64KB
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memory/4432-188-0x0000000005000000-0x0000000005010000-memory.dmpFilesize
64KB
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memory/4432-190-0x0000000005F70000-0x0000000006002000-memory.dmpFilesize
584KB
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memory/4432-191-0x00000000065C0000-0x0000000006B64000-memory.dmpFilesize
5.6MB
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memory/4432-193-0x0000000074BC0000-0x0000000075370000-memory.dmpFilesize
7.7MB
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memory/4432-196-0x0000000006050000-0x000000000605A000-memory.dmpFilesize
40KB
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memory/4432-197-0x0000000005000000-0x0000000005010000-memory.dmpFilesize
64KB
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memory/4432-43-0x0000000005110000-0x0000000005176000-memory.dmpFilesize
408KB
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memory/4432-31-0x0000000074BC0000-0x0000000075370000-memory.dmpFilesize
7.7MB
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memory/4432-30-0x0000000000760000-0x0000000000792000-memory.dmpFilesize
200KB
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memory/4432-205-0x0000000005000000-0x0000000005010000-memory.dmpFilesize
64KB