Analysis
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max time kernel
151s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
06-09-2022 04:08
Static task
static1
Behavioral task
behavioral1
Sample
PROOF_OF_PAYMENT.exe
Resource
win7-20220812-en
General
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Target
PROOF_OF_PAYMENT.exe
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Size
24KB
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MD5
7f99d249840dc2c5009b4771f887336e
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SHA1
0a4de6946dca7444da62b7794bcb59e553108f0c
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SHA256
fc15ab19130fccdae7dee477e0ae6d711fe3492cbac1b7e5d472eae4902f9516
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SHA512
2dc950577ee4fa9b999d044cbb93aa365b13eb5a012633e7ec61410536790080c6c2f3be9f684ac3f11694b51d40d4732aa9975d91fd0c2b68c6e9d66a204237
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SSDEEP
384:JwkCN7n8OIo3A12++XCCvcXEMA+7QEh2Fobm22:5CNz8OBnMA8R2
Malware Config
Extracted
nanocore
1.2.2.0
amechi.duckdns.org:4190
7766992d-5166-4919-9d26-1d114e11093c
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activate_away_mode
true
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backup_connection_host
amechi.duckdns.org
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2022-06-17T10:10:35.253943636Z
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bypass_user_account_control
true
- bypass_user_account_control_data
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clear_access_control
true
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clear_zone_identifier
false
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connect_delay
4000
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connection_port
4190
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default_group
NEW TRY FOR SUCCESS
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enable_debug_mode
true
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gc_threshold
1.048576e+07
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keep_alive_timeout
30000
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keyboard_logging
false
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lan_timeout
2500
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max_packet_size
1.048576e+07
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mutex
7766992d-5166-4919-9d26-1d114e11093c
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
amechi.duckdns.org
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primary_dns_server
8.8.8.8
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request_elevation
true
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restart_delay
5000
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run_delay
0
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run_on_startup
false
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set_critical_process
true
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timeout_interval
5000
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use_custom_dns_server
false
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version
1.2.2.0
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wan_timeout
8000
Signatures
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Executes dropped EXE 1 IoCs
Processes:
Bjlavuqqxsfvuyykucvpptdbin.exepid process 4708 Bjlavuqqxsfvuyykucvpptdbin.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
PROOF_OF_PAYMENT.exeBjlavuqqxsfvuyykucvpptdbin.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation PROOF_OF_PAYMENT.exe Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation Bjlavuqqxsfvuyykucvpptdbin.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
PROOF_OF_PAYMENT.exePROOF_OF_PAYMENT.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\game = "\"C:\\Users\\Admin\\AppData\\Roaming\\game.exe\"" PROOF_OF_PAYMENT.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DDP Manager = "C:\\Program Files (x86)\\DDP Manager\\ddpmgr.exe" PROOF_OF_PAYMENT.exe -
Processes:
PROOF_OF_PAYMENT.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA PROOF_OF_PAYMENT.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
Bjlavuqqxsfvuyykucvpptdbin.exePROOF_OF_PAYMENT.exewlanext.exedescription pid process target process PID 4708 set thread context of 2688 4708 Bjlavuqqxsfvuyykucvpptdbin.exe Explorer.EXE PID 3972 set thread context of 1404 3972 PROOF_OF_PAYMENT.exe PROOF_OF_PAYMENT.exe PID 1752 set thread context of 2688 1752 wlanext.exe Explorer.EXE -
Drops file in Program Files directory 2 IoCs
Processes:
PROOF_OF_PAYMENT.exedescription ioc process File created C:\Program Files (x86)\DDP Manager\ddpmgr.exe PROOF_OF_PAYMENT.exe File opened for modification C:\Program Files (x86)\DDP Manager\ddpmgr.exe PROOF_OF_PAYMENT.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Processes:
wlanext.exedescription ioc process Key created \Registry\User\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 wlanext.exe -
Suspicious behavior: EnumeratesProcesses 47 IoCs
Processes:
powershell.exeBjlavuqqxsfvuyykucvpptdbin.exePROOF_OF_PAYMENT.exePROOF_OF_PAYMENT.exewlanext.exepid process 2168 powershell.exe 2168 powershell.exe 4708 Bjlavuqqxsfvuyykucvpptdbin.exe 4708 Bjlavuqqxsfvuyykucvpptdbin.exe 4708 Bjlavuqqxsfvuyykucvpptdbin.exe 4708 Bjlavuqqxsfvuyykucvpptdbin.exe 4708 Bjlavuqqxsfvuyykucvpptdbin.exe 4708 Bjlavuqqxsfvuyykucvpptdbin.exe 4708 Bjlavuqqxsfvuyykucvpptdbin.exe 4708 Bjlavuqqxsfvuyykucvpptdbin.exe 3972 PROOF_OF_PAYMENT.exe 3972 PROOF_OF_PAYMENT.exe 1404 PROOF_OF_PAYMENT.exe 1404 PROOF_OF_PAYMENT.exe 1404 PROOF_OF_PAYMENT.exe 1752 wlanext.exe 1752 wlanext.exe 1752 wlanext.exe 1752 wlanext.exe 1752 wlanext.exe 1752 wlanext.exe 1752 wlanext.exe 1752 wlanext.exe 1752 wlanext.exe 1752 wlanext.exe 1752 wlanext.exe 1752 wlanext.exe 1752 wlanext.exe 1752 wlanext.exe 1752 wlanext.exe 1752 wlanext.exe 1752 wlanext.exe 1752 wlanext.exe 1752 wlanext.exe 1752 wlanext.exe 1752 wlanext.exe 1752 wlanext.exe 1752 wlanext.exe 1752 wlanext.exe 1752 wlanext.exe 1752 wlanext.exe 1752 wlanext.exe 1752 wlanext.exe 1752 wlanext.exe 1752 wlanext.exe 1752 wlanext.exe 1752 wlanext.exe -
Suspicious behavior: GetForegroundWindowSpam 2 IoCs
Processes:
PROOF_OF_PAYMENT.exeExplorer.EXEpid process 1404 PROOF_OF_PAYMENT.exe 2688 Explorer.EXE -
Suspicious behavior: MapViewOfSection 7 IoCs
Processes:
Bjlavuqqxsfvuyykucvpptdbin.exewlanext.exepid process 4708 Bjlavuqqxsfvuyykucvpptdbin.exe 4708 Bjlavuqqxsfvuyykucvpptdbin.exe 4708 Bjlavuqqxsfvuyykucvpptdbin.exe 1752 wlanext.exe 1752 wlanext.exe 1752 wlanext.exe 1752 wlanext.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
Processes:
PROOF_OF_PAYMENT.exepowershell.exeBjlavuqqxsfvuyykucvpptdbin.exeExplorer.EXEPROOF_OF_PAYMENT.exewlanext.exedescription pid process Token: SeDebugPrivilege 3972 PROOF_OF_PAYMENT.exe Token: SeDebugPrivilege 2168 powershell.exe Token: SeDebugPrivilege 4708 Bjlavuqqxsfvuyykucvpptdbin.exe Token: SeShutdownPrivilege 2688 Explorer.EXE Token: SeCreatePagefilePrivilege 2688 Explorer.EXE Token: SeDebugPrivilege 1404 PROOF_OF_PAYMENT.exe Token: SeDebugPrivilege 1752 wlanext.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
PROOF_OF_PAYMENT.exeExplorer.EXEwlanext.exedescription pid process target process PID 3972 wrote to memory of 2168 3972 PROOF_OF_PAYMENT.exe powershell.exe PID 3972 wrote to memory of 2168 3972 PROOF_OF_PAYMENT.exe powershell.exe PID 3972 wrote to memory of 2168 3972 PROOF_OF_PAYMENT.exe powershell.exe PID 3972 wrote to memory of 4708 3972 PROOF_OF_PAYMENT.exe Bjlavuqqxsfvuyykucvpptdbin.exe PID 3972 wrote to memory of 4708 3972 PROOF_OF_PAYMENT.exe Bjlavuqqxsfvuyykucvpptdbin.exe PID 3972 wrote to memory of 4708 3972 PROOF_OF_PAYMENT.exe Bjlavuqqxsfvuyykucvpptdbin.exe PID 3972 wrote to memory of 1376 3972 PROOF_OF_PAYMENT.exe PROOF_OF_PAYMENT.exe PID 3972 wrote to memory of 1376 3972 PROOF_OF_PAYMENT.exe PROOF_OF_PAYMENT.exe PID 3972 wrote to memory of 1376 3972 PROOF_OF_PAYMENT.exe PROOF_OF_PAYMENT.exe PID 3972 wrote to memory of 1404 3972 PROOF_OF_PAYMENT.exe PROOF_OF_PAYMENT.exe PID 3972 wrote to memory of 1404 3972 PROOF_OF_PAYMENT.exe PROOF_OF_PAYMENT.exe PID 3972 wrote to memory of 1404 3972 PROOF_OF_PAYMENT.exe PROOF_OF_PAYMENT.exe PID 3972 wrote to memory of 1404 3972 PROOF_OF_PAYMENT.exe PROOF_OF_PAYMENT.exe PID 3972 wrote to memory of 1404 3972 PROOF_OF_PAYMENT.exe PROOF_OF_PAYMENT.exe PID 3972 wrote to memory of 1404 3972 PROOF_OF_PAYMENT.exe PROOF_OF_PAYMENT.exe PID 3972 wrote to memory of 1404 3972 PROOF_OF_PAYMENT.exe PROOF_OF_PAYMENT.exe PID 3972 wrote to memory of 1404 3972 PROOF_OF_PAYMENT.exe PROOF_OF_PAYMENT.exe PID 2688 wrote to memory of 1752 2688 Explorer.EXE wlanext.exe PID 2688 wrote to memory of 1752 2688 Explorer.EXE wlanext.exe PID 2688 wrote to memory of 1752 2688 Explorer.EXE wlanext.exe PID 1752 wrote to memory of 1304 1752 wlanext.exe Firefox.exe PID 1752 wrote to memory of 1304 1752 wlanext.exe Firefox.exe PID 1752 wrote to memory of 1304 1752 wlanext.exe Firefox.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\PROOF_OF_PAYMENT.exe"C:\Users\Admin\AppData\Local\Temp\PROOF_OF_PAYMENT.exe"2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwAxAA==3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\Bjlavuqqxsfvuyykucvpptdbin.exe"C:\Users\Admin\AppData\Local\Temp\Bjlavuqqxsfvuyykucvpptdbin.exe"3⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\PROOF_OF_PAYMENT.exeC:\Users\Admin\AppData\Local\Temp\PROOF_OF_PAYMENT.exe3⤵
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C:\Users\Admin\AppData\Local\Temp\PROOF_OF_PAYMENT.exeC:\Users\Admin\AppData\Local\Temp\PROOF_OF_PAYMENT.exe3⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\autochk.exe"C:\Windows\SysWOW64\autochk.exe"2⤵
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C:\Windows\SysWOW64\autochk.exe"C:\Windows\SysWOW64\autochk.exe"2⤵
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C:\Windows\SysWOW64\autochk.exe"C:\Windows\SysWOW64\autochk.exe"2⤵
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C:\Windows\SysWOW64\wlanext.exe"C:\Windows\SysWOW64\wlanext.exe"2⤵
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PROOF_OF_PAYMENT.exe.logFilesize
1KB
MD54f3fab3e5f44399e7f4162fd367eca2d
SHA1adada0591db5f53bcc0565942047156de3464e6e
SHA2565db52f2a6a0fbfaa29e27418a1b72b660298dfa58a12ac0f12897a06e557caef
SHA512d8c3fe3a91e572627e31a44d88a71fc3072786b074d04484ff6aacfeab43e0d29ec88bf6ad2af2a5f8e70f0c0eea95dcea59a8159adf4c642e5f8fd5fc632db7
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C:\Users\Admin\AppData\Local\Temp\Bjlavuqqxsfvuyykucvpptdbin.exeFilesize
185KB
MD581a6c3beb08a0f5029528dbbaa991dd7
SHA1cca8dd79b8a4710baa1726a476227b3e25ecf056
SHA256096a5d8dd996c380d7fc28c0350836b9c3cdf2651099869eb64b430145af939d
SHA5121332f16ef45280e74976a29766b468c7f0679744bbe6382b25b85ce60c5d4e0e3af22f537307be62f2ba0276519ad5b90e42e32c41d34287009ca3cbbcf1a366
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C:\Users\Admin\AppData\Local\Temp\Bjlavuqqxsfvuyykucvpptdbin.exeFilesize
185KB
MD581a6c3beb08a0f5029528dbbaa991dd7
SHA1cca8dd79b8a4710baa1726a476227b3e25ecf056
SHA256096a5d8dd996c380d7fc28c0350836b9c3cdf2651099869eb64b430145af939d
SHA5121332f16ef45280e74976a29766b468c7f0679744bbe6382b25b85ce60c5d4e0e3af22f537307be62f2ba0276519ad5b90e42e32c41d34287009ca3cbbcf1a366
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memory/1376-148-0x0000000000000000-mapping.dmp
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memory/1404-152-0x0000000005710000-0x00000000057AC000-memory.dmpFilesize
624KB
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memory/1404-149-0x0000000000000000-mapping.dmp
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memory/1404-150-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1752-160-0x00000000016F0000-0x0000000001A3A000-memory.dmpFilesize
3.3MB
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memory/1752-157-0x0000000000000000-mapping.dmp
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memory/1752-158-0x0000000000C10000-0x0000000000C27000-memory.dmpFilesize
92KB
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memory/1752-159-0x0000000000CB0000-0x0000000000CDD000-memory.dmpFilesize
180KB
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memory/1752-161-0x00000000014A0000-0x000000000152F000-memory.dmpFilesize
572KB
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memory/1752-163-0x0000000000CB0000-0x0000000000CDD000-memory.dmpFilesize
180KB
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memory/2168-140-0x0000000005D70000-0x0000000005DD6000-memory.dmpFilesize
408KB
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memory/2168-137-0x0000000000000000-mapping.dmp
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memory/2168-144-0x0000000006970000-0x000000000698A000-memory.dmpFilesize
104KB
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memory/2168-143-0x0000000007CB0000-0x000000000832A000-memory.dmpFilesize
6.5MB
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memory/2168-142-0x0000000006470000-0x000000000648E000-memory.dmpFilesize
120KB
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memory/2168-141-0x0000000005E50000-0x0000000005EB6000-memory.dmpFilesize
408KB
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memory/2168-138-0x0000000002E90000-0x0000000002EC6000-memory.dmpFilesize
216KB
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memory/2168-139-0x0000000005640000-0x0000000005C68000-memory.dmpFilesize
6.2MB
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memory/2688-156-0x0000000008280000-0x0000000008415000-memory.dmpFilesize
1.6MB
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memory/2688-162-0x0000000008420000-0x000000000858E000-memory.dmpFilesize
1.4MB
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memory/2688-164-0x0000000008420000-0x000000000858E000-memory.dmpFilesize
1.4MB
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memory/3972-132-0x0000000000CD0000-0x0000000000CDC000-memory.dmpFilesize
48KB
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memory/3972-136-0x0000000006F00000-0x0000000006F22000-memory.dmpFilesize
136KB
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memory/3972-135-0x00000000057B0000-0x00000000057BA000-memory.dmpFilesize
40KB
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memory/3972-134-0x00000000057F0000-0x0000000005882000-memory.dmpFilesize
584KB
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memory/3972-133-0x0000000005EC0000-0x0000000006464000-memory.dmpFilesize
5.6MB
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memory/4708-153-0x00000000000F0000-0x000000000011F000-memory.dmpFilesize
188KB
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memory/4708-154-0x0000000001AF0000-0x0000000001E3A000-memory.dmpFilesize
3.3MB
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memory/4708-155-0x0000000001650000-0x0000000001660000-memory.dmpFilesize
64KB
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memory/4708-145-0x0000000000000000-mapping.dmp