Analysis
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max time kernel
108s -
max time network
139s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
21-04-2021 15:05
Static task
static1
Behavioral task
behavioral1
Sample
d97e3dcbb6d173e9f0d3b76fbecdad0d.exe
Resource
win7v20210408
General
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Target
d97e3dcbb6d173e9f0d3b76fbecdad0d.exe
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Size
799KB
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MD5
d97e3dcbb6d173e9f0d3b76fbecdad0d
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SHA1
e4a169cece454e23c0de2aa3bec30a08d1422e25
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SHA256
ad7352ddb27f165faa309916430d17aead69a6359f74d163c0c488bb551b3fb0
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SHA512
4a928ef2927822b7919b017f2c1b073a9c88c1adbd572fbf2ec66bb4933ea8642075678c0a32817b4ca529f9730fd0c3f4f43daa34dfa09a66faf1d86220ef3c
Malware Config
Extracted
xpertrat
3.0.10
special X
ghytrty.duckdns.org:4145
spapertyy.duckdns.org:4145
L3Q7I4T2-J8A6-K6O4-W4G3-T5J7D0W2V5E0
Signatures
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XpertRAT Core Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/4080-128-0x0000000000400000-0x0000000000443000-memory.dmp xpertrat behavioral2/memory/4080-129-0x0000000000401364-mapping.dmp xpertrat -
NirSoft MailPassView 2 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/3872-141-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/3872-142-0x0000000000411654-mapping.dmp MailPassView -
NirSoft WebBrowserPassView 2 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral2/memory/2288-145-0x0000000000400000-0x0000000000459000-memory.dmp WebBrowserPassView behavioral2/memory/2288-146-0x0000000000442F04-mapping.dmp WebBrowserPassView -
Nirsoft 4 IoCs
Processes:
resource yara_rule behavioral2/memory/3872-141-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/3872-142-0x0000000000411654-mapping.dmp Nirsoft behavioral2/memory/2288-145-0x0000000000400000-0x0000000000459000-memory.dmp Nirsoft behavioral2/memory/2288-146-0x0000000000442F04-mapping.dmp Nirsoft -
Adds policy Run key to start application 2 TTPs 2 IoCs
Processes:
iexplore.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run iexplore.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\L3Q7I4T2-J8A6-K6O4-W4G3-T5J7D0W2V5E0 = "C:\\Users\\Admin\\AppData\\Roaming\\L3Q7I4T2-J8A6-K6O4-W4G3-T5J7D0W2V5E0\\L3Q7I4T2-J8A6-K6O4-W4G3-T5J7D0W2V5E0.exe" iexplore.exe -
Processes:
resource yara_rule behavioral2/memory/1524-137-0x0000000000400000-0x0000000000426000-memory.dmp upx -
Processes:
d97e3dcbb6d173e9f0d3b76fbecdad0d.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0" d97e3dcbb6d173e9f0d3b76fbecdad0d.exe -
Adds Run key to start application 2 TTPs 4 IoCs
Processes:
iexplore.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run iexplore.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\L3Q7I4T2-J8A6-K6O4-W4G3-T5J7D0W2V5E0 = "C:\\Users\\Admin\\AppData\\Roaming\\L3Q7I4T2-J8A6-K6O4-W4G3-T5J7D0W2V5E0\\L3Q7I4T2-J8A6-K6O4-W4G3-T5J7D0W2V5E0.exe" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\L3Q7I4T2-J8A6-K6O4-W4G3-T5J7D0W2V5E0 = "C:\\Users\\Admin\\AppData\\Roaming\\L3Q7I4T2-J8A6-K6O4-W4G3-T5J7D0W2V5E0\\L3Q7I4T2-J8A6-K6O4-W4G3-T5J7D0W2V5E0.exe" iexplore.exe -
Processes:
d97e3dcbb6d173e9f0d3b76fbecdad0d.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" d97e3dcbb6d173e9f0d3b76fbecdad0d.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1992 3792 WerFault.exe iexplore.exe -
Suspicious use of SetThreadContext 6 IoCs
Processes:
d97e3dcbb6d173e9f0d3b76fbecdad0d.exed97e3dcbb6d173e9f0d3b76fbecdad0d.exeiexplore.exedescription pid process target process PID 3944 set thread context of 3472 3944 d97e3dcbb6d173e9f0d3b76fbecdad0d.exe d97e3dcbb6d173e9f0d3b76fbecdad0d.exe PID 3472 set thread context of 4080 3472 d97e3dcbb6d173e9f0d3b76fbecdad0d.exe iexplore.exe PID 4080 set thread context of 1524 4080 iexplore.exe iexplore.exe PID 4080 set thread context of 3872 4080 iexplore.exe iexplore.exe PID 4080 set thread context of 2288 4080 iexplore.exe iexplore.exe PID 4080 set thread context of 3792 4080 iexplore.exe iexplore.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
Processes:
d97e3dcbb6d173e9f0d3b76fbecdad0d.exed97e3dcbb6d173e9f0d3b76fbecdad0d.exeiexplore.exeiexplore.exeWerFault.exepid process 3944 d97e3dcbb6d173e9f0d3b76fbecdad0d.exe 3944 d97e3dcbb6d173e9f0d3b76fbecdad0d.exe 3944 d97e3dcbb6d173e9f0d3b76fbecdad0d.exe 3944 d97e3dcbb6d173e9f0d3b76fbecdad0d.exe 3944 d97e3dcbb6d173e9f0d3b76fbecdad0d.exe 3944 d97e3dcbb6d173e9f0d3b76fbecdad0d.exe 3472 d97e3dcbb6d173e9f0d3b76fbecdad0d.exe 3472 d97e3dcbb6d173e9f0d3b76fbecdad0d.exe 3472 d97e3dcbb6d173e9f0d3b76fbecdad0d.exe 3472 d97e3dcbb6d173e9f0d3b76fbecdad0d.exe 1524 iexplore.exe 1524 iexplore.exe 2288 iexplore.exe 2288 iexplore.exe 1992 WerFault.exe 1992 WerFault.exe 1992 WerFault.exe 1992 WerFault.exe 1992 WerFault.exe 1992 WerFault.exe 1992 WerFault.exe 1992 WerFault.exe 1992 WerFault.exe 1992 WerFault.exe 1992 WerFault.exe 1992 WerFault.exe 1992 WerFault.exe 1992 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
d97e3dcbb6d173e9f0d3b76fbecdad0d.exeiexplore.exeiexplore.exeWerFault.exedescription pid process Token: SeDebugPrivilege 3944 d97e3dcbb6d173e9f0d3b76fbecdad0d.exe Token: SeDebugPrivilege 4080 iexplore.exe Token: SeDebugPrivilege 1524 iexplore.exe Token: SeRestorePrivilege 1992 WerFault.exe Token: SeBackupPrivilege 1992 WerFault.exe Token: SeDebugPrivilege 1992 WerFault.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
d97e3dcbb6d173e9f0d3b76fbecdad0d.exeiexplore.exepid process 3472 d97e3dcbb6d173e9f0d3b76fbecdad0d.exe 4080 iexplore.exe -
Suspicious use of WriteProcessMemory 58 IoCs
Processes:
d97e3dcbb6d173e9f0d3b76fbecdad0d.exed97e3dcbb6d173e9f0d3b76fbecdad0d.exeiexplore.exedescription pid process target process PID 3944 wrote to memory of 3596 3944 d97e3dcbb6d173e9f0d3b76fbecdad0d.exe d97e3dcbb6d173e9f0d3b76fbecdad0d.exe PID 3944 wrote to memory of 3596 3944 d97e3dcbb6d173e9f0d3b76fbecdad0d.exe d97e3dcbb6d173e9f0d3b76fbecdad0d.exe PID 3944 wrote to memory of 3596 3944 d97e3dcbb6d173e9f0d3b76fbecdad0d.exe d97e3dcbb6d173e9f0d3b76fbecdad0d.exe PID 3944 wrote to memory of 3760 3944 d97e3dcbb6d173e9f0d3b76fbecdad0d.exe d97e3dcbb6d173e9f0d3b76fbecdad0d.exe PID 3944 wrote to memory of 3760 3944 d97e3dcbb6d173e9f0d3b76fbecdad0d.exe d97e3dcbb6d173e9f0d3b76fbecdad0d.exe PID 3944 wrote to memory of 3760 3944 d97e3dcbb6d173e9f0d3b76fbecdad0d.exe d97e3dcbb6d173e9f0d3b76fbecdad0d.exe PID 3944 wrote to memory of 3756 3944 d97e3dcbb6d173e9f0d3b76fbecdad0d.exe d97e3dcbb6d173e9f0d3b76fbecdad0d.exe PID 3944 wrote to memory of 3756 3944 d97e3dcbb6d173e9f0d3b76fbecdad0d.exe d97e3dcbb6d173e9f0d3b76fbecdad0d.exe PID 3944 wrote to memory of 3756 3944 d97e3dcbb6d173e9f0d3b76fbecdad0d.exe d97e3dcbb6d173e9f0d3b76fbecdad0d.exe PID 3944 wrote to memory of 3472 3944 d97e3dcbb6d173e9f0d3b76fbecdad0d.exe d97e3dcbb6d173e9f0d3b76fbecdad0d.exe PID 3944 wrote to memory of 3472 3944 d97e3dcbb6d173e9f0d3b76fbecdad0d.exe d97e3dcbb6d173e9f0d3b76fbecdad0d.exe PID 3944 wrote to memory of 3472 3944 d97e3dcbb6d173e9f0d3b76fbecdad0d.exe d97e3dcbb6d173e9f0d3b76fbecdad0d.exe PID 3944 wrote to memory of 3472 3944 d97e3dcbb6d173e9f0d3b76fbecdad0d.exe d97e3dcbb6d173e9f0d3b76fbecdad0d.exe PID 3944 wrote to memory of 3472 3944 d97e3dcbb6d173e9f0d3b76fbecdad0d.exe d97e3dcbb6d173e9f0d3b76fbecdad0d.exe PID 3944 wrote to memory of 3472 3944 d97e3dcbb6d173e9f0d3b76fbecdad0d.exe d97e3dcbb6d173e9f0d3b76fbecdad0d.exe PID 3944 wrote to memory of 3472 3944 d97e3dcbb6d173e9f0d3b76fbecdad0d.exe d97e3dcbb6d173e9f0d3b76fbecdad0d.exe PID 3472 wrote to memory of 4080 3472 d97e3dcbb6d173e9f0d3b76fbecdad0d.exe iexplore.exe PID 3472 wrote to memory of 4080 3472 d97e3dcbb6d173e9f0d3b76fbecdad0d.exe iexplore.exe PID 3472 wrote to memory of 4080 3472 d97e3dcbb6d173e9f0d3b76fbecdad0d.exe iexplore.exe PID 3472 wrote to memory of 4080 3472 d97e3dcbb6d173e9f0d3b76fbecdad0d.exe iexplore.exe PID 3472 wrote to memory of 4080 3472 d97e3dcbb6d173e9f0d3b76fbecdad0d.exe iexplore.exe PID 3472 wrote to memory of 4080 3472 d97e3dcbb6d173e9f0d3b76fbecdad0d.exe iexplore.exe PID 3472 wrote to memory of 4080 3472 d97e3dcbb6d173e9f0d3b76fbecdad0d.exe iexplore.exe PID 3472 wrote to memory of 4080 3472 d97e3dcbb6d173e9f0d3b76fbecdad0d.exe iexplore.exe PID 4080 wrote to memory of 1524 4080 iexplore.exe iexplore.exe PID 4080 wrote to memory of 1524 4080 iexplore.exe iexplore.exe PID 4080 wrote to memory of 1524 4080 iexplore.exe iexplore.exe PID 4080 wrote to memory of 1524 4080 iexplore.exe iexplore.exe PID 4080 wrote to memory of 1524 4080 iexplore.exe iexplore.exe PID 4080 wrote to memory of 1524 4080 iexplore.exe iexplore.exe PID 4080 wrote to memory of 1524 4080 iexplore.exe iexplore.exe PID 4080 wrote to memory of 1524 4080 iexplore.exe iexplore.exe PID 4080 wrote to memory of 3872 4080 iexplore.exe iexplore.exe PID 4080 wrote to memory of 3872 4080 iexplore.exe iexplore.exe PID 4080 wrote to memory of 3872 4080 iexplore.exe iexplore.exe PID 4080 wrote to memory of 3872 4080 iexplore.exe iexplore.exe PID 4080 wrote to memory of 3872 4080 iexplore.exe iexplore.exe PID 4080 wrote to memory of 3872 4080 iexplore.exe iexplore.exe PID 4080 wrote to memory of 3872 4080 iexplore.exe iexplore.exe PID 4080 wrote to memory of 3872 4080 iexplore.exe iexplore.exe PID 4080 wrote to memory of 3872 4080 iexplore.exe iexplore.exe PID 4080 wrote to memory of 2288 4080 iexplore.exe iexplore.exe PID 4080 wrote to memory of 2288 4080 iexplore.exe iexplore.exe PID 4080 wrote to memory of 2288 4080 iexplore.exe iexplore.exe PID 4080 wrote to memory of 2288 4080 iexplore.exe iexplore.exe PID 4080 wrote to memory of 2288 4080 iexplore.exe iexplore.exe PID 4080 wrote to memory of 2288 4080 iexplore.exe iexplore.exe PID 4080 wrote to memory of 2288 4080 iexplore.exe iexplore.exe PID 4080 wrote to memory of 2288 4080 iexplore.exe iexplore.exe PID 4080 wrote to memory of 2288 4080 iexplore.exe iexplore.exe PID 4080 wrote to memory of 3792 4080 iexplore.exe iexplore.exe PID 4080 wrote to memory of 3792 4080 iexplore.exe iexplore.exe PID 4080 wrote to memory of 3792 4080 iexplore.exe iexplore.exe PID 4080 wrote to memory of 3792 4080 iexplore.exe iexplore.exe PID 4080 wrote to memory of 3792 4080 iexplore.exe iexplore.exe PID 4080 wrote to memory of 3792 4080 iexplore.exe iexplore.exe PID 4080 wrote to memory of 3792 4080 iexplore.exe iexplore.exe PID 4080 wrote to memory of 3792 4080 iexplore.exe iexplore.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
d97e3dcbb6d173e9f0d3b76fbecdad0d.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" d97e3dcbb6d173e9f0d3b76fbecdad0d.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\d97e3dcbb6d173e9f0d3b76fbecdad0d.exe"C:\Users\Admin\AppData\Local\Temp\d97e3dcbb6d173e9f0d3b76fbecdad0d.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\d97e3dcbb6d173e9f0d3b76fbecdad0d.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\d97e3dcbb6d173e9f0d3b76fbecdad0d.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\d97e3dcbb6d173e9f0d3b76fbecdad0d.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\d97e3dcbb6d173e9f0d3b76fbecdad0d.exe"{path}"2⤵
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
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C:\Program Files (x86)\Internet Explorer\iexplore.exeC:\Users\Admin\AppData\Local\Temp\d97e3dcbb6d173e9f0d3b76fbecdad0d.exe3⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\L3Q7I4T2-J8A6-K6O4-W4G3-T5J7D0W2V5E0\kvsuymeow0.txt"4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\L3Q7I4T2-J8A6-K6O4-W4G3-T5J7D0W2V5E0\kvsuymeow1.txt"4⤵
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\L3Q7I4T2-J8A6-K6O4-W4G3-T5J7D0W2V5E0\kvsuymeow2.txt"4⤵
- Suspicious behavior: EnumeratesProcesses
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\L3Q7I4T2-J8A6-K6O4-W4G3-T5J7D0W2V5E0\kvsuymeow3.txt"4⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3792 -s 2245⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\L3Q7I4T2-J8A6-K6O4-W4G3-T5J7D0W2V5E0\kvsuymeow2.txtMD5
f94dc819ca773f1e3cb27abbc9e7fa27
SHA19a7700efadc5ea09ab288544ef1e3cd876255086
SHA256a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
SHA51272a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196
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memory/1524-138-0x0000000000423BC0-mapping.dmp
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memory/1524-137-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/2288-146-0x0000000000442F04-mapping.dmp
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memory/2288-145-0x0000000000400000-0x0000000000459000-memory.dmpFilesize
356KB
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memory/3472-134-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB
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memory/3472-124-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB
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memory/3472-125-0x00000000004010B8-mapping.dmp
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memory/3792-151-0x0000000000413750-mapping.dmp
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memory/3872-142-0x0000000000411654-mapping.dmp
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memory/3872-141-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/3944-121-0x00000000053D0000-0x00000000058CE000-memory.dmpFilesize
5.0MB
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memory/3944-123-0x000000000A010000-0x000000000A08D000-memory.dmpFilesize
500KB
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memory/3944-122-0x00000000078E0000-0x00000000079AA000-memory.dmpFilesize
808KB
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memory/3944-114-0x0000000000A90000-0x0000000000A91000-memory.dmpFilesize
4KB
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memory/3944-120-0x0000000005560000-0x000000000556E000-memory.dmpFilesize
56KB
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memory/3944-119-0x0000000007730000-0x0000000007731000-memory.dmpFilesize
4KB
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memory/3944-118-0x0000000005390000-0x0000000005391000-memory.dmpFilesize
4KB
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memory/3944-117-0x00000000053D0000-0x00000000053D1000-memory.dmpFilesize
4KB
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memory/3944-116-0x00000000058D0000-0x00000000058D1000-memory.dmpFilesize
4KB
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memory/4080-129-0x0000000000401364-mapping.dmp
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memory/4080-132-0x0000000003400000-0x0000000003553000-memory.dmpFilesize
1.3MB
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memory/4080-133-0x0000000003401000-0x00000000034FD000-memory.dmpFilesize
1008KB
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memory/4080-128-0x0000000000400000-0x0000000000443000-memory.dmpFilesize
268KB