Analysis
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max time kernel
150s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
24-05-2024 04:11
Static task
static1
Behavioral task
behavioral1
Sample
a3cf7c2bd2db51d5e8339652c5c58a40_NeikiAnalytics.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
a3cf7c2bd2db51d5e8339652c5c58a40_NeikiAnalytics.exe
Resource
win10v2004-20240508-en
General
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Target
a3cf7c2bd2db51d5e8339652c5c58a40_NeikiAnalytics.exe
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Size
66KB
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MD5
a3cf7c2bd2db51d5e8339652c5c58a40
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SHA1
788fa93cc29ecf77bbb368afbd09bc91c9a697ae
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SHA256
db987008cad6e8cfebae0b145a1caa52fdfd35f344bcd62914d125384369bb38
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SHA512
11593020a57c8fd1e52e241f0b2aa115e7948e63aa9b53de2930fd19824bbd68a19cf661e7121fb410ed6649e45a28b0e0b19eaa92c309927c1b4042cbe0f2b3
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SSDEEP
1536:EHfetdklPp+07gDSrB8Xru2zGeJxgawTzpXzrDJrXimUUUUUUUUUUUUUUUUUUUUl:IeklMMYJhqezw/pXzH9imUUUUUUUUUUx
Malware Config
Signatures
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Detects BazaLoader malware 1 IoCs
BazaLoader is a trojan that transmits logs to the Command and Control (C2) server, encoding them in BASE64 format through GET requests.
Processes:
resource yara_rule behavioral1/memory/2604-51-0x0000000072940000-0x0000000072A93000-memory.dmp BazaLoader -
Modifies WinLogon for persistence 2 TTPs 2 IoCs
Processes:
explorer.exesvchost.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Windows\\explorer.exe, c:\\windows\\system\\explorer.exe" explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Windows\\explorer.exe, c:\\windows\\system\\explorer.exe" svchost.exe -
Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
Processes:
explorer.exesvchost.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" svchost.exe -
Modifies Installed Components in the registry 2 TTPs 8 IoCs
Processes:
svchost.exeexplorer.exedescription ioc process Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666} svchost.exe Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666} svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR" svchost.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999} svchost.exe Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666} explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR" explorer.exe Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999} svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR" svchost.exe -
Executes dropped EXE 4 IoCs
Processes:
explorer.exespoolsv.exesvchost.exespoolsv.exepid process 2016 explorer.exe 2560 spoolsv.exe 2604 svchost.exe 2528 spoolsv.exe -
Loads dropped DLL 8 IoCs
Processes:
a3cf7c2bd2db51d5e8339652c5c58a40_NeikiAnalytics.exeexplorer.exespoolsv.exesvchost.exepid process 1936 a3cf7c2bd2db51d5e8339652c5c58a40_NeikiAnalytics.exe 1936 a3cf7c2bd2db51d5e8339652c5c58a40_NeikiAnalytics.exe 2016 explorer.exe 2016 explorer.exe 2560 spoolsv.exe 2560 spoolsv.exe 2604 svchost.exe 2604 svchost.exe -
Adds Run key to start application 2 TTPs 4 IoCs
Processes:
explorer.exesvchost.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\system\\explorer.exe RO" explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\system\\svchost.exe RO" explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\system\\explorer.exe RO" svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\system\\svchost.exe RO" svchost.exe -
Drops file in Windows directory 6 IoCs
Processes:
a3cf7c2bd2db51d5e8339652c5c58a40_NeikiAnalytics.exeexplorer.exespoolsv.exesvchost.exedescription ioc process File opened for modification \??\c:\windows\system\explorer.exe a3cf7c2bd2db51d5e8339652c5c58a40_NeikiAnalytics.exe File opened for modification \??\c:\windows\system\spoolsv.exe explorer.exe File opened for modification \??\c:\windows\system\svchost.exe spoolsv.exe File opened for modification \??\c:\windows\system\explorer.exe explorer.exe File opened for modification \??\c:\windows\system\svchost.exe svchost.exe File opened for modification C:\Windows\system\udsys.exe explorer.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
a3cf7c2bd2db51d5e8339652c5c58a40_NeikiAnalytics.exeexplorer.exesvchost.exepid process 1936 a3cf7c2bd2db51d5e8339652c5c58a40_NeikiAnalytics.exe 2016 explorer.exe 2016 explorer.exe 2016 explorer.exe 2016 explorer.exe 2604 svchost.exe 2604 svchost.exe 2016 explorer.exe 2604 svchost.exe 2016 explorer.exe 2604 svchost.exe 2016 explorer.exe 2604 svchost.exe 2016 explorer.exe 2604 svchost.exe 2016 explorer.exe 2604 svchost.exe 2016 explorer.exe 2604 svchost.exe 2016 explorer.exe 2604 svchost.exe 2016 explorer.exe 2604 svchost.exe 2016 explorer.exe 2604 svchost.exe 2016 explorer.exe 2604 svchost.exe 2016 explorer.exe 2604 svchost.exe 2016 explorer.exe 2604 svchost.exe 2016 explorer.exe 2604 svchost.exe 2016 explorer.exe 2604 svchost.exe 2016 explorer.exe 2604 svchost.exe 2016 explorer.exe 2604 svchost.exe 2016 explorer.exe 2604 svchost.exe 2016 explorer.exe 2604 svchost.exe 2016 explorer.exe 2604 svchost.exe 2016 explorer.exe 2604 svchost.exe 2016 explorer.exe 2604 svchost.exe 2016 explorer.exe 2604 svchost.exe 2016 explorer.exe 2604 svchost.exe 2016 explorer.exe 2604 svchost.exe 2016 explorer.exe 2604 svchost.exe 2016 explorer.exe 2604 svchost.exe 2016 explorer.exe 2604 svchost.exe 2016 explorer.exe 2604 svchost.exe 2016 explorer.exe -
Suspicious behavior: GetForegroundWindowSpam 2 IoCs
Processes:
explorer.exesvchost.exepid process 2016 explorer.exe 2604 svchost.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
a3cf7c2bd2db51d5e8339652c5c58a40_NeikiAnalytics.exeexplorer.exespoolsv.exesvchost.exespoolsv.exepid process 1936 a3cf7c2bd2db51d5e8339652c5c58a40_NeikiAnalytics.exe 1936 a3cf7c2bd2db51d5e8339652c5c58a40_NeikiAnalytics.exe 2016 explorer.exe 2016 explorer.exe 2560 spoolsv.exe 2560 spoolsv.exe 2604 svchost.exe 2604 svchost.exe 2528 spoolsv.exe 2528 spoolsv.exe 2016 explorer.exe 2016 explorer.exe -
Suspicious use of WriteProcessMemory 28 IoCs
Processes:
a3cf7c2bd2db51d5e8339652c5c58a40_NeikiAnalytics.exeexplorer.exespoolsv.exesvchost.exedescription pid process target process PID 1936 wrote to memory of 2016 1936 a3cf7c2bd2db51d5e8339652c5c58a40_NeikiAnalytics.exe explorer.exe PID 1936 wrote to memory of 2016 1936 a3cf7c2bd2db51d5e8339652c5c58a40_NeikiAnalytics.exe explorer.exe PID 1936 wrote to memory of 2016 1936 a3cf7c2bd2db51d5e8339652c5c58a40_NeikiAnalytics.exe explorer.exe PID 1936 wrote to memory of 2016 1936 a3cf7c2bd2db51d5e8339652c5c58a40_NeikiAnalytics.exe explorer.exe PID 2016 wrote to memory of 2560 2016 explorer.exe spoolsv.exe PID 2016 wrote to memory of 2560 2016 explorer.exe spoolsv.exe PID 2016 wrote to memory of 2560 2016 explorer.exe spoolsv.exe PID 2016 wrote to memory of 2560 2016 explorer.exe spoolsv.exe PID 2560 wrote to memory of 2604 2560 spoolsv.exe svchost.exe PID 2560 wrote to memory of 2604 2560 spoolsv.exe svchost.exe PID 2560 wrote to memory of 2604 2560 spoolsv.exe svchost.exe PID 2560 wrote to memory of 2604 2560 spoolsv.exe svchost.exe PID 2604 wrote to memory of 2528 2604 svchost.exe spoolsv.exe PID 2604 wrote to memory of 2528 2604 svchost.exe spoolsv.exe PID 2604 wrote to memory of 2528 2604 svchost.exe spoolsv.exe PID 2604 wrote to memory of 2528 2604 svchost.exe spoolsv.exe PID 2604 wrote to memory of 2212 2604 svchost.exe at.exe PID 2604 wrote to memory of 2212 2604 svchost.exe at.exe PID 2604 wrote to memory of 2212 2604 svchost.exe at.exe PID 2604 wrote to memory of 2212 2604 svchost.exe at.exe PID 2604 wrote to memory of 1432 2604 svchost.exe at.exe PID 2604 wrote to memory of 1432 2604 svchost.exe at.exe PID 2604 wrote to memory of 1432 2604 svchost.exe at.exe PID 2604 wrote to memory of 1432 2604 svchost.exe at.exe PID 2604 wrote to memory of 1160 2604 svchost.exe at.exe PID 2604 wrote to memory of 1160 2604 svchost.exe at.exe PID 2604 wrote to memory of 1160 2604 svchost.exe at.exe PID 2604 wrote to memory of 1160 2604 svchost.exe at.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a3cf7c2bd2db51d5e8339652c5c58a40_NeikiAnalytics.exe"C:\Users\Admin\AppData\Local\Temp\a3cf7c2bd2db51d5e8339652c5c58a40_NeikiAnalytics.exe"1⤵
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1936 -
\??\c:\windows\system\explorer.exec:\windows\system\explorer.exe2⤵
- Modifies WinLogon for persistence
- Modifies visiblity of hidden/system files in Explorer
- Modifies Installed Components in the registry
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2016 -
\??\c:\windows\system\spoolsv.exec:\windows\system\spoolsv.exe SE3⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2560 -
\??\c:\windows\system\svchost.exec:\windows\system\svchost.exe4⤵
- Modifies WinLogon for persistence
- Modifies visiblity of hidden/system files in Explorer
- Modifies Installed Components in the registry
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2604 -
\??\c:\windows\system\spoolsv.exec:\windows\system\spoolsv.exe PR5⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2528 -
C:\Windows\SysWOW64\at.exeat 04:13 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe5⤵PID:2212
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C:\Windows\SysWOW64\at.exeat 04:14 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe5⤵PID:1432
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C:\Windows\SysWOW64\at.exeat 04:15 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe5⤵PID:1160
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
2Winlogon Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
2Winlogon Helper DLL
1Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\mrsys.exeFilesize
66KB
MD5e44344494e83ce33254a5a661d18ffcf
SHA171b40ec2d84a31df9ef57706fdd11b2ad890fce8
SHA2561c945e24ecf7c7c9d8b556782190b714952a50f6a670ffa698a9473b3908e7e0
SHA512307de9c32fbd4d873fc000fe626efdc0bfd083e91cd0f63fadb9637daa1dc21549d300aee10535ee0394ad8c660e49892f3622c70217be20212a31a5fa26a53c
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\??\PIPE\atsvcMD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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\Windows\system\explorer.exeFilesize
66KB
MD5f3d1d1f48e45e0cf54a82c32ebc8dced
SHA155224379b6214bed1997a6fe1c6782c5ada59ac7
SHA256cae3b9a0bbc330d6442448311e99f3414538935ad33e2cd7afc2680183e93f2d
SHA51285fb738132783c7aa7cd55679600f38f074d42e19f63b48f36f601830208d46d3efa7b63edf1ee7fa62fd3359817971eecfa59eea1e606f724246b44a8e1ba20
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\Windows\system\spoolsv.exeFilesize
66KB
MD5237a05e021954771bb7522b8ba92df68
SHA1398bb054ca334a19de5613e944d8e831b27e560a
SHA2569f23fe166419f84e6152524fc2f4edce7d93136ce91938ed89540364c9a76545
SHA512d91440ab26b9c32e833a0ace6a261171b9a2ce449b556bf8fd1cfd7bceb4217880e01fa297d65422e080c8b230a41558dfb1fd74f83e0f29e4161f7a5a4a0275
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\Windows\system\svchost.exeFilesize
66KB
MD54df1828f97c4387907048deff1ddc47e
SHA1f60d6e69209c41a692fc33a9fe95dc4c617c1cac
SHA256aaec03cab157514c9779e8c1fb3d6c2e5c6f451008edf367cbb5dc5b58f85f23
SHA5129cd9209936010be1207108acbc13923dd76d764bfd8dc1e8eb233a7dc33447ca039f0b473e330fc627277fd904fe363d2bd95ca79735b371b338dd3e4065d176
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memory/1936-75-0x0000000000020000-0x0000000000024000-memory.dmpFilesize
16KB
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memory/1936-2-0x0000000072940000-0x0000000072A93000-memory.dmpFilesize
1.3MB
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memory/1936-16-0x0000000002550000-0x0000000002581000-memory.dmpFilesize
196KB
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memory/1936-0-0x0000000000400000-0x0000000000431000-memory.dmpFilesize
196KB
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memory/1936-4-0x0000000000401000-0x000000000042E000-memory.dmpFilesize
180KB
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memory/1936-1-0x0000000000020000-0x0000000000024000-memory.dmpFilesize
16KB
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memory/1936-74-0x0000000000400000-0x0000000000431000-memory.dmpFilesize
196KB
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memory/1936-76-0x0000000000401000-0x000000000042E000-memory.dmpFilesize
180KB
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memory/1936-3-0x0000000000400000-0x0000000000431000-memory.dmpFilesize
196KB
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memory/2016-78-0x0000000000400000-0x0000000000431000-memory.dmpFilesize
196KB
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memory/2016-89-0x0000000000400000-0x0000000000431000-memory.dmpFilesize
196KB
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memory/2016-18-0x0000000072940000-0x0000000072A93000-memory.dmpFilesize
1.3MB
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memory/2016-20-0x0000000000400000-0x0000000000431000-memory.dmpFilesize
196KB
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memory/2528-62-0x0000000072940000-0x0000000072A93000-memory.dmpFilesize
1.3MB
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memory/2528-68-0x0000000000400000-0x0000000000431000-memory.dmpFilesize
196KB
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memory/2560-35-0x0000000072940000-0x0000000072A93000-memory.dmpFilesize
1.3MB
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memory/2560-72-0x0000000000400000-0x0000000000431000-memory.dmpFilesize
196KB
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memory/2560-59-0x0000000001E90000-0x0000000001EC1000-memory.dmpFilesize
196KB
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memory/2560-39-0x0000000000400000-0x0000000000431000-memory.dmpFilesize
196KB
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memory/2560-34-0x0000000000400000-0x0000000000431000-memory.dmpFilesize
196KB
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memory/2604-60-0x0000000000400000-0x0000000000431000-memory.dmpFilesize
196KB
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memory/2604-51-0x0000000072940000-0x0000000072A93000-memory.dmpFilesize
1.3MB
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memory/2604-80-0x0000000000400000-0x0000000000431000-memory.dmpFilesize
196KB