Analysis
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max time kernel
5s -
max time network
70s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
24-03-2024 18:59
Behavioral task
behavioral1
Sample
32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe
Resource
win10v2004-20240226-en
General
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Target
32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe
-
Size
2.0MB
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MD5
1cc92b360b0430a3cdaca8ea25eceeef
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SHA1
6810d293418468251950126879fb1c29b9446355
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SHA256
32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a
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SHA512
d18fc370d2777b900acdfe881dbfc1d5febdfd09964f5dc252498b3aa8c5f3e5afe6d08b8dbe8095467a37a9201b527fa26be95d6697c2d71d7f657ef981eb96
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYV:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YH
Malware Config
Extracted
quasar
1.3.0.0
EbayProfiles
5.8.88.191:443
sockartek.icu:443
QSR_MUTEX_0kBRNrRz5TDLEQouI0
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encryption_key
MWhG6wsClMX8aJM2CVXT
-
install_name
winsock.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
win defender run
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subdirectory
SubDir
Extracted
azorult
http://0x21.in:8000/_az/
Signatures
-
Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
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Quasar payload 5 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\windef.exe family_quasar behavioral1/memory/2700-53-0x00000000002E0000-0x000000000033E000-memory.dmp family_quasar behavioral1/memory/1824-57-0x00000000003C0000-0x000000000045C000-memory.dmp family_quasar behavioral1/memory/2392-66-0x00000000008B0000-0x000000000090E000-memory.dmp family_quasar behavioral1/memory/1824-71-0x00000000003C0000-0x000000000045C000-memory.dmp family_quasar -
Detects Windows executables referencing non-Windows User-Agents 3 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\windef.exe INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/2700-53-0x00000000002E0000-0x000000000033E000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/2392-66-0x00000000008B0000-0x000000000090E000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA -
Detects executables containing common artifacts observed in infostealers 3 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\windef.exe INDICATOR_SUSPICIOUS_GENInfoStealer behavioral1/memory/2700-53-0x00000000002E0000-0x000000000033E000-memory.dmp INDICATOR_SUSPICIOUS_GENInfoStealer behavioral1/memory/2392-66-0x00000000008B0000-0x000000000090E000-memory.dmp INDICATOR_SUSPICIOUS_GENInfoStealer -
Executes dropped EXE 2 IoCs
Processes:
vnc.exewindef.exepid process 2536 vnc.exe 2700 windef.exe -
Loads dropped DLL 8 IoCs
Processes:
32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exepid process 1824 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe 1824 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe 1824 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe 1824 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe 1824 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe 1824 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe 1824 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe 1824 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exedescription ioc process File opened (read-only) \??\i: 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe File opened (read-only) \??\l: 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe File opened (read-only) \??\v: 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe File opened (read-only) \??\x: 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe File opened (read-only) \??\e: 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe File opened (read-only) \??\j: 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe File opened (read-only) \??\k: 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe File opened (read-only) \??\m: 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe File opened (read-only) \??\w: 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe File opened (read-only) \??\z: 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe File opened (read-only) \??\g: 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe File opened (read-only) \??\h: 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe File opened (read-only) \??\o: 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe File opened (read-only) \??\q: 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe File opened (read-only) \??\s: 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe File opened (read-only) \??\u: 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe File opened (read-only) \??\y: 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe File opened (read-only) \??\a: 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe File opened (read-only) \??\b: 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe File opened (read-only) \??\n: 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe File opened (read-only) \??\p: 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe File opened (read-only) \??\r: 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe File opened (read-only) \??\t: 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 7 ip-api.com -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
svchost.exedescription ioc process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum svchost.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
vnc.exe32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exedescription pid process target process PID 2536 set thread context of 2668 2536 vnc.exe svchost.exe PID 1824 set thread context of 2716 1824 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exeschtasks.exepid process 2472 schtasks.exe 1220 schtasks.exe 1120 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exepid process 1824 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe 1824 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
vnc.exepid process 2536 vnc.exe -
Suspicious use of WriteProcessMemory 25 IoCs
Processes:
32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exevnc.exedescription pid process target process PID 1824 wrote to memory of 2536 1824 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe vnc.exe PID 1824 wrote to memory of 2536 1824 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe vnc.exe PID 1824 wrote to memory of 2536 1824 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe vnc.exe PID 1824 wrote to memory of 2536 1824 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe vnc.exe PID 2536 wrote to memory of 2668 2536 vnc.exe svchost.exe PID 2536 wrote to memory of 2668 2536 vnc.exe svchost.exe PID 2536 wrote to memory of 2668 2536 vnc.exe svchost.exe PID 2536 wrote to memory of 2668 2536 vnc.exe svchost.exe PID 1824 wrote to memory of 2700 1824 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe windef.exe PID 1824 wrote to memory of 2700 1824 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe windef.exe PID 1824 wrote to memory of 2700 1824 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe windef.exe PID 1824 wrote to memory of 2700 1824 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe windef.exe PID 2536 wrote to memory of 2668 2536 vnc.exe svchost.exe PID 1824 wrote to memory of 2716 1824 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe PID 1824 wrote to memory of 2716 1824 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe PID 1824 wrote to memory of 2716 1824 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe PID 1824 wrote to memory of 2716 1824 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe PID 1824 wrote to memory of 2716 1824 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe PID 2536 wrote to memory of 2668 2536 vnc.exe svchost.exe PID 1824 wrote to memory of 2716 1824 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe PID 2536 wrote to memory of 2668 2536 vnc.exe svchost.exe PID 1824 wrote to memory of 2472 1824 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe schtasks.exe PID 1824 wrote to memory of 2472 1824 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe schtasks.exe PID 1824 wrote to memory of 2472 1824 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe schtasks.exe PID 1824 wrote to memory of 2472 1824 32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe"C:\Users\Admin\AppData\Local\Temp\32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe"1⤵
- Loads dropped DLL
- Enumerates connected drives
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\vnc.exe"C:\Users\Admin\AppData\Local\Temp\vnc.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵
- Maps connected drives based on registry
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C:\Users\Admin\AppData\Local\Temp\windef.exe"C:\Users\Admin\AppData\Local\Temp\windef.exe"2⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\windef.exe" /rl HIGHEST /f3⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"3⤵
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C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe" /rl HIGHEST /f4⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe"C:\Users\Admin\AppData\Local\Temp\32ef85fdccfd02a799bb8e2067eb358938d967fde1b8b02bc9e8498f090ac92a.exe"2⤵
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\SysWOW64\schtasks.exe" /create /tn RtkAudioService64 /tr "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe" /sc minute /mo 1 /F2⤵
- Creates scheduled task(s)
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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\Users\Admin\AppData\Local\Temp\vnc.exeFilesize
405KB
MD5b8ba87ee4c3fc085a2fed0d839aadce1
SHA1b3a2e3256406330e8b1779199bb2b9865122d766
SHA2564e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4
SHA5127a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2
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\Users\Admin\AppData\Local\Temp\windef.exeFilesize
349KB
MD5b4a202e03d4135484d0e730173abcc72
SHA101b30014545ea526c15a60931d676f9392ea0c70
SHA2567050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9
SHA512632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb
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memory/1824-71-0x00000000003C0000-0x000000000045C000-memory.dmpFilesize
624KB
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memory/1824-57-0x00000000003C0000-0x000000000045C000-memory.dmpFilesize
624KB
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memory/2392-67-0x00000000744D0000-0x0000000074BBE000-memory.dmpFilesize
6.9MB
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memory/2392-68-0x0000000004AE0000-0x0000000004B20000-memory.dmpFilesize
256KB
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memory/2392-66-0x00000000008B0000-0x000000000090E000-memory.dmpFilesize
376KB
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memory/2668-31-0x0000000000020000-0x0000000000021000-memory.dmpFilesize
4KB
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memory/2668-45-0x00000000003C0000-0x000000000045C000-memory.dmpFilesize
624KB
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memory/2668-37-0x00000000003C0000-0x000000000045C000-memory.dmpFilesize
624KB
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memory/2668-35-0x000007FFFFFDF000-0x000007FFFFFE0000-memory.dmpFilesize
4KB
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memory/2668-55-0x0000000000020000-0x0000000000021000-memory.dmpFilesize
4KB
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memory/2668-56-0x00000000003C0000-0x000000000045C000-memory.dmpFilesize
624KB
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memory/2700-53-0x00000000002E0000-0x000000000033E000-memory.dmpFilesize
376KB
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memory/2700-54-0x00000000744D0000-0x0000000074BBE000-memory.dmpFilesize
6.9MB
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memory/2700-58-0x0000000004910000-0x0000000004950000-memory.dmpFilesize
256KB
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memory/2700-69-0x00000000744D0000-0x0000000074BBE000-memory.dmpFilesize
6.9MB
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memory/2716-50-0x0000000000080000-0x00000000000A0000-memory.dmpFilesize
128KB
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memory/2716-46-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmpFilesize
4KB
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memory/2716-34-0x0000000000080000-0x00000000000A0000-memory.dmpFilesize
128KB
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memory/2716-30-0x0000000000080000-0x00000000000A0000-memory.dmpFilesize
128KB