Analysis
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max time kernel
42s -
max time network
143s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
26-06-2021 07:17
Static task
static1
Behavioral task
behavioral1
Sample
939a42faab70585cf4aed59c73425492.exe
Resource
win7v20210408
General
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Target
939a42faab70585cf4aed59c73425492.exe
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Size
472KB
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MD5
939a42faab70585cf4aed59c73425492
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SHA1
ccc57ed7de341f637e1ba6e671105ec304bd2c4b
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SHA256
06febadb1cc71ef3987c339b7c862ea4cd32656c372c4f266cd1af68c355a0c0
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SHA512
04a845f4b4db9f8fb923a10db65a1cac6cce46f52aa46eaa124b7aa710e7d063555e93f93e26dfb9fa3c28425297d080f69025fcbc73801825154cbf659abe00
Malware Config
Extracted
xpertrat
3.0.10
special X
mertrerfeyy.duckdns.org:8494
gwtruwhgw.duckdns.org:8494
dfgrttuutii.duckdns.org:8494
J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4
Signatures
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XpertRAT Core Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/1776-131-0x0000000000400000-0x0000000000443000-memory.dmp xpertrat behavioral2/memory/1776-132-0x0000000000401364-mapping.dmp xpertrat -
NirSoft MailPassView 2 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/2808-143-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/2808-144-0x0000000000411654-mapping.dmp MailPassView -
NirSoft WebBrowserPassView 2 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral2/memory/4092-150-0x0000000000442F04-mapping.dmp WebBrowserPassView behavioral2/memory/4092-149-0x0000000000400000-0x0000000000459000-memory.dmp WebBrowserPassView -
Nirsoft 6 IoCs
Processes:
resource yara_rule behavioral2/memory/2808-143-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/2808-144-0x0000000000411654-mapping.dmp Nirsoft behavioral2/memory/4092-150-0x0000000000442F04-mapping.dmp Nirsoft behavioral2/memory/4092-149-0x0000000000400000-0x0000000000459000-memory.dmp Nirsoft behavioral2/memory/3212-160-0x0000000000400000-0x0000000000415000-memory.dmp Nirsoft behavioral2/memory/3212-161-0x000000000040C2A8-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\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4 = "C:\\Users\\Admin\\AppData\\Roaming\\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4\\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4.exe" iexplore.exe -
Processes:
resource yara_rule behavioral2/memory/3268-139-0x0000000000400000-0x0000000000426000-memory.dmp upx behavioral2/memory/1068-154-0x0000000000400000-0x0000000000416000-memory.dmp upx -
Processes:
939a42faab70585cf4aed59c73425492.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0" 939a42faab70585cf4aed59c73425492.exe -
Adds Run key to start application 2 TTPs 4 IoCs
Processes:
iexplore.exedescription ioc process 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\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4 = "C:\\Users\\Admin\\AppData\\Roaming\\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4\\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4.exe" iexplore.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run iexplore.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4 = "C:\\Users\\Admin\\AppData\\Roaming\\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4\\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4.exe" iexplore.exe -
Processes:
939a42faab70585cf4aed59c73425492.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 939a42faab70585cf4aed59c73425492.exe -
Program crash 3 IoCs
Processes:
WerFault.exeWerFault.exeWerFault.exepid pid_target process target process 1284 1632 WerFault.exe iexplore.exe 2828 2820 WerFault.exe iexplore.exe 3216 684 WerFault.exe iexplore.exe -
Suspicious use of SetThreadContext 10 IoCs
Processes:
939a42faab70585cf4aed59c73425492.exe939a42faab70585cf4aed59c73425492.exeiexplore.exedescription pid process target process PID 508 set thread context of 1972 508 939a42faab70585cf4aed59c73425492.exe 939a42faab70585cf4aed59c73425492.exe PID 1972 set thread context of 1632 1972 939a42faab70585cf4aed59c73425492.exe iexplore.exe PID 1972 set thread context of 1776 1972 939a42faab70585cf4aed59c73425492.exe iexplore.exe PID 1776 set thread context of 3268 1776 iexplore.exe iexplore.exe PID 1776 set thread context of 2808 1776 iexplore.exe iexplore.exe PID 1776 set thread context of 2820 1776 iexplore.exe iexplore.exe PID 1776 set thread context of 4092 1776 iexplore.exe iexplore.exe PID 1776 set thread context of 1068 1776 iexplore.exe iexplore.exe PID 1776 set thread context of 684 1776 iexplore.exe iexplore.exe PID 1776 set thread context of 3212 1776 iexplore.exe iexplore.exe -
Suspicious behavior: EnumeratesProcesses 13 IoCs
Processes:
939a42faab70585cf4aed59c73425492.exe939a42faab70585cf4aed59c73425492.exeiexplore.exeiexplore.exepid process 508 939a42faab70585cf4aed59c73425492.exe 508 939a42faab70585cf4aed59c73425492.exe 508 939a42faab70585cf4aed59c73425492.exe 1972 939a42faab70585cf4aed59c73425492.exe 1972 939a42faab70585cf4aed59c73425492.exe 1972 939a42faab70585cf4aed59c73425492.exe 1972 939a42faab70585cf4aed59c73425492.exe 1972 939a42faab70585cf4aed59c73425492.exe 1972 939a42faab70585cf4aed59c73425492.exe 3268 iexplore.exe 3268 iexplore.exe 4092 iexplore.exe 4092 iexplore.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
939a42faab70585cf4aed59c73425492.exeiexplore.exeiexplore.exedescription pid process Token: SeDebugPrivilege 508 939a42faab70585cf4aed59c73425492.exe Token: SeDebugPrivilege 1776 iexplore.exe Token: SeDebugPrivilege 3268 iexplore.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
939a42faab70585cf4aed59c73425492.exeiexplore.exepid process 1972 939a42faab70585cf4aed59c73425492.exe 1776 iexplore.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
939a42faab70585cf4aed59c73425492.exe939a42faab70585cf4aed59c73425492.exeiexplore.exedescription pid process target process PID 508 wrote to memory of 1972 508 939a42faab70585cf4aed59c73425492.exe 939a42faab70585cf4aed59c73425492.exe PID 508 wrote to memory of 1972 508 939a42faab70585cf4aed59c73425492.exe 939a42faab70585cf4aed59c73425492.exe PID 508 wrote to memory of 1972 508 939a42faab70585cf4aed59c73425492.exe 939a42faab70585cf4aed59c73425492.exe PID 508 wrote to memory of 1972 508 939a42faab70585cf4aed59c73425492.exe 939a42faab70585cf4aed59c73425492.exe PID 508 wrote to memory of 1972 508 939a42faab70585cf4aed59c73425492.exe 939a42faab70585cf4aed59c73425492.exe PID 508 wrote to memory of 1972 508 939a42faab70585cf4aed59c73425492.exe 939a42faab70585cf4aed59c73425492.exe PID 508 wrote to memory of 1972 508 939a42faab70585cf4aed59c73425492.exe 939a42faab70585cf4aed59c73425492.exe PID 1972 wrote to memory of 1632 1972 939a42faab70585cf4aed59c73425492.exe iexplore.exe PID 1972 wrote to memory of 1632 1972 939a42faab70585cf4aed59c73425492.exe iexplore.exe PID 1972 wrote to memory of 1632 1972 939a42faab70585cf4aed59c73425492.exe iexplore.exe PID 1972 wrote to memory of 1632 1972 939a42faab70585cf4aed59c73425492.exe iexplore.exe PID 1972 wrote to memory of 1632 1972 939a42faab70585cf4aed59c73425492.exe iexplore.exe PID 1972 wrote to memory of 1632 1972 939a42faab70585cf4aed59c73425492.exe iexplore.exe PID 1972 wrote to memory of 1632 1972 939a42faab70585cf4aed59c73425492.exe iexplore.exe PID 1972 wrote to memory of 1632 1972 939a42faab70585cf4aed59c73425492.exe iexplore.exe PID 1972 wrote to memory of 1776 1972 939a42faab70585cf4aed59c73425492.exe iexplore.exe PID 1972 wrote to memory of 1776 1972 939a42faab70585cf4aed59c73425492.exe iexplore.exe PID 1972 wrote to memory of 1776 1972 939a42faab70585cf4aed59c73425492.exe iexplore.exe PID 1972 wrote to memory of 1776 1972 939a42faab70585cf4aed59c73425492.exe iexplore.exe PID 1972 wrote to memory of 1776 1972 939a42faab70585cf4aed59c73425492.exe iexplore.exe PID 1972 wrote to memory of 1776 1972 939a42faab70585cf4aed59c73425492.exe iexplore.exe PID 1972 wrote to memory of 1776 1972 939a42faab70585cf4aed59c73425492.exe iexplore.exe PID 1972 wrote to memory of 1776 1972 939a42faab70585cf4aed59c73425492.exe iexplore.exe PID 1776 wrote to memory of 3268 1776 iexplore.exe iexplore.exe PID 1776 wrote to memory of 3268 1776 iexplore.exe iexplore.exe PID 1776 wrote to memory of 3268 1776 iexplore.exe iexplore.exe PID 1776 wrote to memory of 3268 1776 iexplore.exe iexplore.exe PID 1776 wrote to memory of 3268 1776 iexplore.exe iexplore.exe PID 1776 wrote to memory of 3268 1776 iexplore.exe iexplore.exe PID 1776 wrote to memory of 3268 1776 iexplore.exe iexplore.exe PID 1776 wrote to memory of 3268 1776 iexplore.exe iexplore.exe PID 1776 wrote to memory of 2808 1776 iexplore.exe iexplore.exe PID 1776 wrote to memory of 2808 1776 iexplore.exe iexplore.exe PID 1776 wrote to memory of 2808 1776 iexplore.exe iexplore.exe PID 1776 wrote to memory of 2808 1776 iexplore.exe iexplore.exe PID 1776 wrote to memory of 2808 1776 iexplore.exe iexplore.exe PID 1776 wrote to memory of 2808 1776 iexplore.exe iexplore.exe PID 1776 wrote to memory of 2808 1776 iexplore.exe iexplore.exe PID 1776 wrote to memory of 2808 1776 iexplore.exe iexplore.exe PID 1776 wrote to memory of 2808 1776 iexplore.exe iexplore.exe PID 1776 wrote to memory of 2820 1776 iexplore.exe iexplore.exe PID 1776 wrote to memory of 2820 1776 iexplore.exe iexplore.exe PID 1776 wrote to memory of 2820 1776 iexplore.exe iexplore.exe PID 1776 wrote to memory of 2820 1776 iexplore.exe iexplore.exe PID 1776 wrote to memory of 2820 1776 iexplore.exe iexplore.exe PID 1776 wrote to memory of 2820 1776 iexplore.exe iexplore.exe PID 1776 wrote to memory of 2820 1776 iexplore.exe iexplore.exe PID 1776 wrote to memory of 2820 1776 iexplore.exe iexplore.exe PID 1776 wrote to memory of 2820 1776 iexplore.exe iexplore.exe PID 1776 wrote to memory of 4092 1776 iexplore.exe iexplore.exe PID 1776 wrote to memory of 4092 1776 iexplore.exe iexplore.exe PID 1776 wrote to memory of 4092 1776 iexplore.exe iexplore.exe PID 1776 wrote to memory of 4092 1776 iexplore.exe iexplore.exe PID 1776 wrote to memory of 4092 1776 iexplore.exe iexplore.exe PID 1776 wrote to memory of 4092 1776 iexplore.exe iexplore.exe PID 1776 wrote to memory of 4092 1776 iexplore.exe iexplore.exe PID 1776 wrote to memory of 4092 1776 iexplore.exe iexplore.exe PID 1776 wrote to memory of 4092 1776 iexplore.exe iexplore.exe PID 1776 wrote to memory of 1068 1776 iexplore.exe iexplore.exe PID 1776 wrote to memory of 1068 1776 iexplore.exe iexplore.exe PID 1776 wrote to memory of 1068 1776 iexplore.exe iexplore.exe PID 1776 wrote to memory of 1068 1776 iexplore.exe iexplore.exe PID 1776 wrote to memory of 1068 1776 iexplore.exe iexplore.exe PID 1776 wrote to memory of 1068 1776 iexplore.exe iexplore.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
939a42faab70585cf4aed59c73425492.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 939a42faab70585cf4aed59c73425492.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\939a42faab70585cf4aed59c73425492.exe"C:\Users\Admin\AppData\Local\Temp\939a42faab70585cf4aed59c73425492.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\939a42faab70585cf4aed59c73425492.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\939a42faab70585cf4aed59c73425492.exe3⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1632 -s 1004⤵
- Program crash
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C:\Program Files (x86)\Internet Explorer\iexplore.exeC:\Users\Admin\AppData\Local\Temp\939a42faab70585cf4aed59c73425492.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\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4\momnuvcsh0.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\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4\momnuvcsh1.txt"4⤵
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4\momnuvcsh2.txt"4⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2820 -s 925⤵
- Program crash
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4\momnuvcsh2.txt"4⤵
- Suspicious behavior: EnumeratesProcesses
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4\momnuvcsh3.txt"4⤵
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4\momnuvcsh4.txt"4⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 684 -s 925⤵
- Program crash
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4\momnuvcsh4.txt"4⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4\momnuvcsh2.txtMD5
f94dc819ca773f1e3cb27abbc9e7fa27
SHA19a7700efadc5ea09ab288544ef1e3cd876255086
SHA256a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
SHA51272a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196
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C:\Users\Admin\AppData\Roaming\J0B4S3L1-T6W3-H2L6-N2T2-W4T8H1F1E6U4\momnuvcsh4.txtMD5
f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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memory/508-118-0x0000000002B30000-0x0000000002B31000-memory.dmpFilesize
4KB
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memory/508-117-0x0000000005590000-0x0000000005591000-memory.dmpFilesize
4KB
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memory/508-119-0x00000000056D0000-0x00000000056D1000-memory.dmpFilesize
4KB
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memory/508-120-0x0000000005580000-0x0000000005581000-memory.dmpFilesize
4KB
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memory/508-121-0x0000000005F40000-0x0000000005F42000-memory.dmpFilesize
8KB
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memory/508-122-0x0000000009130000-0x00000000091AD000-memory.dmpFilesize
500KB
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memory/508-123-0x000000000B940000-0x000000000B96E000-memory.dmpFilesize
184KB
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memory/508-116-0x00000000058F0000-0x00000000058F1000-memory.dmpFilesize
4KB
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memory/508-114-0x0000000000920000-0x0000000000921000-memory.dmpFilesize
4KB
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memory/684-159-0x000000000040C2A8-mapping.dmp
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memory/1068-155-0x0000000000413750-mapping.dmp
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memory/1068-154-0x0000000000400000-0x0000000000416000-memory.dmpFilesize
88KB
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memory/1632-129-0x0000000000401364-mapping.dmp
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memory/1776-132-0x0000000000401364-mapping.dmp
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memory/1776-135-0x0000000003410000-0x0000000003563000-memory.dmpFilesize
1.3MB
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memory/1776-136-0x0000000003411000-0x000000000350D000-memory.dmpFilesize
1008KB
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memory/1776-131-0x0000000000400000-0x0000000000443000-memory.dmpFilesize
268KB
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memory/1972-124-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB
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memory/1972-125-0x00000000004010B8-mapping.dmp
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memory/1972-130-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB
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memory/2808-143-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/2808-144-0x0000000000411654-mapping.dmp
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memory/2820-148-0x0000000000442F04-mapping.dmp
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memory/3212-160-0x0000000000400000-0x0000000000415000-memory.dmpFilesize
84KB
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memory/3212-161-0x000000000040C2A8-mapping.dmp
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memory/3268-140-0x0000000000423BC0-mapping.dmp
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memory/3268-139-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/4092-149-0x0000000000400000-0x0000000000459000-memory.dmpFilesize
356KB
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memory/4092-150-0x0000000000442F04-mapping.dmp