Analysis
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max time kernel
150s -
max time network
110s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
12-11-2020 14:31
Static task
static1
Behavioral task
behavioral1
Sample
8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe
Resource
win7v20201028
General
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Target
8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe
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Size
1.5MB
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MD5
cb001e8ea5a6ec3a3c2a0cc1464fcf94
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SHA1
972ecdb4dacdea14bd6e1d23a2e6e8e5ff3554f3
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SHA256
8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2
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SHA512
bb9c5db21e84b327dbc06ef63dc01082dd5adbe9ac97de66384911c23f59b739fd2dcf35b34844aa8cc8aa33f40e6f0eda7638e39d16d446bfcb9e3fab2b3f0d
Malware Config
Signatures
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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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Uses the VBS compiler for execution 1 TTPs
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.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 12 whatismyipaddress.com 14 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
Processes:
8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exedescription pid process target process PID 2528 set thread context of 2556 2528 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe PID 2556 set thread context of 1312 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe vbc.exe PID 2556 set thread context of 504 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe vbc.exe -
Drops file in Windows directory 2 IoCs
Processes:
8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exedescription ioc process File opened for modification C:\Windows\win.ini 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe File opened for modification C:\Windows\win.ini 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe -
Suspicious behavior: EnumeratesProcesses 1035 IoCs
Processes:
8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exepid process 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exedescription pid process Token: SeDebugPrivilege 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exepid process 412 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 2528 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe -
Suspicious use of WriteProcessMemory 31 IoCs
Processes:
8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exedescription pid process target process PID 412 wrote to memory of 2528 412 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe PID 412 wrote to memory of 2528 412 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe PID 412 wrote to memory of 2528 412 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe PID 2528 wrote to memory of 2556 2528 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe PID 2528 wrote to memory of 2556 2528 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe PID 2528 wrote to memory of 2556 2528 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe PID 2528 wrote to memory of 2556 2528 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe PID 2528 wrote to memory of 2556 2528 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe PID 2528 wrote to memory of 2556 2528 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe PID 2528 wrote to memory of 2556 2528 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe PID 2528 wrote to memory of 2556 2528 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe PID 2528 wrote to memory of 2556 2528 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe PID 2528 wrote to memory of 2556 2528 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe PID 2556 wrote to memory of 1312 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe vbc.exe PID 2556 wrote to memory of 1312 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe vbc.exe PID 2556 wrote to memory of 1312 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe vbc.exe PID 2556 wrote to memory of 1312 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe vbc.exe PID 2556 wrote to memory of 1312 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe vbc.exe PID 2556 wrote to memory of 1312 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe vbc.exe PID 2556 wrote to memory of 1312 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe vbc.exe PID 2556 wrote to memory of 1312 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe vbc.exe PID 2556 wrote to memory of 1312 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe vbc.exe PID 2556 wrote to memory of 504 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe vbc.exe PID 2556 wrote to memory of 504 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe vbc.exe PID 2556 wrote to memory of 504 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe vbc.exe PID 2556 wrote to memory of 504 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe vbc.exe PID 2556 wrote to memory of 504 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe vbc.exe PID 2556 wrote to memory of 504 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe vbc.exe PID 2556 wrote to memory of 504 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe vbc.exe PID 2556 wrote to memory of 504 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe vbc.exe PID 2556 wrote to memory of 504 2556 8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe"C:\Users\Admin\AppData\Local\Temp\8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe"1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe"C:\Users\Admin\AppData\Local\Temp\8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe"2⤵
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe"C:\Users\Admin\AppData\Local\Temp\8a963855d2bde20c811dd80f6403b2a40779094bcd0d4dee0315b1e928fe5ef2.exe"3⤵
- 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\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"4⤵
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"4⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\holderwb.txtMD5
f94dc819ca773f1e3cb27abbc9e7fa27
SHA19a7700efadc5ea09ab288544ef1e3cd876255086
SHA256a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
SHA51272a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196
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C:\Windows\win.iniMD5
6bf517432f65eb7f0d18d574bf14124c
SHA15b9f37c1dd1318ebbec3bd2f07c109eb9d22c727
SHA2566e2b70dfccabf3cc651545676a3a566c9cfae03f15f772886646abce1da35b46
SHA5127b0cb8c20034585ec8bf4b45eda5eda5993a56e24931a7426dc5a9f081ec1f82545f3e26a48a4df885c8691fc6e8026d0808aebe3cc3358ba85ddca08ac4cb06
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memory/504-12-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/504-13-0x0000000000442628-mapping.dmp
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memory/504-14-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/1312-10-0x0000000000411654-mapping.dmp
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memory/1312-9-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1312-11-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/2528-2-0x0000000000000000-mapping.dmp
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memory/2556-6-0x0000000000400000-0x00000000004A0000-memory.dmpFilesize
640KB
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memory/2556-7-0x000000000040140A-mapping.dmp
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memory/2556-8-0x0000000000400000-0x00000000004A0000-memory.dmpFilesize
640KB