stealc | 0ab1cedab2185efefb9d52dbe1c84737d9bbd8878c003932fe8595bbeb30b688

Analysis

max time kernel
148s
max time network
132s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
11/11/2026, 03:18

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General

Target
atb_certificate.exe
Size 668KB
Sample261111-dtmw9sdv8r
SHA256 0ab1cedab2185efefb9d52dbe1c84737d9bbd8878c003932fe8595bbeb30b688
MD5 cafb59facbd74244691028c2e593f25b
SHA1 5656c489421c4cbfa526864a19ad626659fdba00
SHA512 7a0756ab46ac0400a243c8b01b233a4a871333c8518065caddfc708b4ba1367cb307c455ad6ce77bbbf7147e66837af77444fee5a7aaae3d444bb49b1133e1d6
SSDEEP 12288:o6XlegP8ktJwHNQfA/g31C5akw+Ap5hkWtIWXBvEDfGe7v2Xk1n:oKpPDJwHN8fC5A5hpIW0fh7Ysn
TLSH
T17AE4BF12F600817AE0315474A77DABD1A7BEA8310F63D9CB73C0899D0CF49E29A76677
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery execution stealc spyware stealer

Malware Config

Signatures

Family: Stealc
Stealc is an infostealer written in C++.
stealer stealc

Detects Stealc stealer Version 3 16 IoCs

resource	yara_rule
behavioral2/files/0x000d00000001c62c-3.dat	family_stealc_v3
behavioral2/memory/5404-33-0x0000000000900000-0x0000000000993000-memory.dmp	family_stealc_v3
behavioral2/memory/5404-32-0x0000000000900000-0x0000000000993000-memory.dmp	family_stealc_v3
behavioral2/memory/5404-31-0x0000000000900000-0x0000000000993000-memory.dmp	family_stealc_v3
behavioral2/memory/5404-41-0x0000000000900000-0x0000000000993000-memory.dmp	family_stealc_v3
behavioral2/memory/5404-42-0x0000000000900000-0x0000000000993000-memory.dmp	family_stealc_v3
behavioral2/memory/5404-43-0x0000000000900000-0x0000000000993000-memory.dmp	family_stealc_v3
behavioral2/memory/5404-40-0x0000000000900000-0x0000000000993000-memory.dmp	family_stealc_v3
behavioral2/memory/5404-38-0x0000000000900000-0x0000000000993000-memory.dmp	family_stealc_v3
behavioral2/memory/5404-36-0x0000000000900000-0x0000000000993000-memory.dmp	family_stealc_v3
behavioral2/memory/5404-34-0x0000000000900000-0x0000000000993000-memory.dmp	family_stealc_v3
behavioral2/memory/5404-39-0x0000000000900000-0x0000000000993000-memory.dmp	family_stealc_v3
behavioral2/memory/5404-37-0x0000000000900000-0x0000000000993000-memory.dmp	family_stealc_v3
behavioral2/memory/5404-35-0x0000000000900000-0x0000000000993000-memory.dmp	family_stealc_v3
behavioral2/memory/5404-46-0x0000000000900000-0x0000000000993000-memory.dmp	family_stealc_v3
behavioral2/memory/5404-73-0x0000000000900000-0x0000000000993000-memory.dmp	family_stealc_v3

Badlisted process makes network request 1 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
9	5404	cmd.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
5508	powershell.exe
5508	powershell.exe

Executes dropped EXE 2 IoCs

pid	Process
2196	nvcontainer.exe
5180	nvcontainer.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	cmd.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	nvcontainer.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	atb_certificate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nvcontainer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

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	cmd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	cmd.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
5508	powershell.exe
5508	powershell.exe
5508	powershell.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe
5404	cmd.exe

Suspicious use of AdjustPrivilegeToken 22 IoCs

description	pid	Process
Token: SeDebugPrivilege	5508	powershell.exe
Token: SeIncreaseQuotaPrivilege	5508	powershell.exe
Token: SeSecurityPrivilege	5508	powershell.exe
Token: SeTakeOwnershipPrivilege	5508	powershell.exe
Token: SeLoadDriverPrivilege	5508	powershell.exe
Token: SeSystemProfilePrivilege	5508	powershell.exe
Token: SeSystemtimePrivilege	5508	powershell.exe
Token: SeProfSingleProcessPrivilege	5508	powershell.exe
Token: SeIncBasePriorityPrivilege	5508	powershell.exe
Token: SeCreatePagefilePrivilege	5508	powershell.exe
Token: SeBackupPrivilege	5508	powershell.exe
Token: SeRestorePrivilege	5508	powershell.exe
Token: SeShutdownPrivilege	5508	powershell.exe
Token: SeDebugPrivilege	5508	powershell.exe
Token: SeSystemEnvironmentPrivilege	5508	powershell.exe
Token: SeRemoteShutdownPrivilege	5508	powershell.exe
Token: SeUndockPrivilege	5508	powershell.exe
Token: SeManageVolumePrivilege	5508	powershell.exe
Token: 33	5508	powershell.exe
Token: 34	5508	powershell.exe
Token: 35	5508	powershell.exe
Token: 36	5508	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3480 wrote to memory of 2196	3480	atb_certificate.exe	90
PID 3480 wrote to memory of 5508	3480	atb_certificate.exe	91
PID 2196 wrote to memory of 5404	2196	nvcontainer.exe	96
PID 2196 wrote to memory of 5404	2196	nvcontainer.exe	96
PID 5404 wrote to memory of 4912	5404	cmd.exe	99
PID 5404 wrote to memory of 4912	5404	cmd.exe	99
PID 5404 wrote to memory of 5016	5404	cmd.exe	102
PID 5404 wrote to memory of 5016	5404	cmd.exe	102
PID 5404 wrote to memory of 1436	5404	cmd.exe	105
PID 5404 wrote to memory of 1436	5404	cmd.exe	105
PID 5404 wrote to memory of 4936	5404	cmd.exe	109
PID 5404 wrote to memory of 4936	5404	cmd.exe	109

C:\Users\Admin\AppData\Local\Temp\atb_certificate.exe
"C:\Users\Admin\AppData\Local\Temp\atb_certificate.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3480
- C:\ProgramData\AujfJ8fmrN4T\nvcontainer.exe
  "C:\ProgramData\AujfJ8fmrN4T\nvcontainer.exe"
  2⤵
  - Executes dropped EXE
  - Reads the TCP/IP host and domain name from the registry
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2196
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\SysWOW64\cmd.exe"
    3⤵
    - Badlisted process makes network request
    - Reads the TCP/IP host and domain name from the registry
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:5404
  - - C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe"
      4⤵
      PID:4912
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
      4⤵
      PID:5016
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
      4⤵
      PID:1436
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
      4⤵
      PID:4936
- C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -WindowStyle Hidden -NoProfile -NonInteractive -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath 'C:\ProgramData\AujfJ8fmrN4T'"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5508

C:\ProgramData\AujfJ8fmrN4T\nvcontainer.exe
C:\ProgramData\AujfJ8fmrN4T\nvcontainer.exe
1⤵
- Executes dropped EXE
PID:5180

C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
1⤵
PID:3516

C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
1⤵
PID:4960

C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
1⤵
PID:804

C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
1⤵
PID:3984

C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
1⤵
PID:4860

C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
1⤵
PID:5820

C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
1⤵
PID:6016

C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
1⤵
PID:3152

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

nvcontainer.exe

Path C:\ProgramData\AujfJ8fmrN4T\nvcontainer.exe
Size 668KB
SHA256 0ab1cedab2185efefb9d52dbe1c84737d9bbd8878c003932fe8595bbeb30b688
MD5 cafb59facbd74244691028c2e593f25b
SHA1 5656c489421c4cbfa526864a19ad626659fdba00
SHA512 7a0756ab46ac0400a243c8b01b233a4a871333c8518065caddfc708b4ba1367cb307c455ad6ce77bbbf7147e66837af77444fee5a7aaae3d444bb49b1133e1d6
SSDEEP 12288:o6XlegP8ktJwHNQfA/g31C5akw+Ap5hkWtIWXBvEDfGe7v2Xk1n:oKpPDJwHN8fC5A5hpIW0fh7Ysn
TLSH
T17AE4BF12F600817AE0315474A77DABD1A7BEA8310F63D9CB73C0899D0CF49E29A76677
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

D8529160-E9CF-6394-0B28-671CE3707F24.txt

Path C:\ProgramData\D8529160-E9CF-6394-0B28-671CE3707F24.txt
Size 64B
SHA256 962e710d9e1d25c693867071534f9ae72d4d0d018a116081cd5fd4f67b36f08f
MD5 e383474a043a3189da143de7a34b6cfa
SHA1 2166d2f39a7d924e724bfaf657adbefdc955b6ab
SHA512 c2cd91d09056e65225bbec81478ee60fd7d73a11fff5c176b6bb364083324c017dafec249c4c90ad109b80365f6eac005d5cf18cd0a122ebecec1fa1d6ce47ad
TLSH
T114A0021A7854E494B2978586D1506C871158CDA059365846D36AB11B2710CD9DD05182
MD5 SHA1 SHA512 TLSH

Submit Download

__PSScriptPolicyTest_mg0xdgsz.uze.psm1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mg0xdgsz.uze.psm1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/5404-46-0x0000000000900000-0x0000000000993000-memory.dmp

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memory/5404-73-0x0000000000900000-0x0000000000993000-memory.dmp

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memory/5404-33-0x0000000000900000-0x0000000000993000-memory.dmp

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memory/5404-54-0x0000000003BE0000-0x0000000003F81000-memory.dmp

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memory/5404-35-0x0000000000900000-0x0000000000993000-memory.dmp

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memory/5404-37-0x0000000000900000-0x0000000000993000-memory.dmp

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memory/5404-39-0x0000000000900000-0x0000000000993000-memory.dmp

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memory/5404-55-0x00000000040C0000-0x0000000004167000-memory.dmp

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memory/5404-34-0x0000000000900000-0x0000000000993000-memory.dmp

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memory/5404-53-0x0000000003B10000-0x0000000003BD7000-memory.dmp

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memory/5404-36-0x0000000000900000-0x0000000000993000-memory.dmp

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memory/5404-38-0x0000000000900000-0x0000000000993000-memory.dmp

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memory/5404-40-0x0000000000900000-0x0000000000993000-memory.dmp

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memory/5404-43-0x0000000000900000-0x0000000000993000-memory.dmp

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memory/5404-42-0x0000000000900000-0x0000000000993000-memory.dmp

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memory/5404-41-0x0000000000900000-0x0000000000993000-memory.dmp

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memory/5404-31-0x0000000000900000-0x0000000000993000-memory.dmp

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memory/5404-32-0x0000000000900000-0x0000000000993000-memory.dmp

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memory/5508-17-0x00007FF81C360000-0x00007FF81CD04000-memory.dmp

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memory/5508-30-0x00007FF81C360000-0x00007FF81CD04000-memory.dmp

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memory/5508-28-0x00007FF81C360000-0x00007FF81CD04000-memory.dmp

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memory/5508-27-0x00007FF81C360000-0x00007FF81CD04000-memory.dmp

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memory/5508-26-0x00007FF81C360000-0x00007FF81CD04000-memory.dmp

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memory/5508-25-0x00007FF81C360000-0x00007FF81CD04000-memory.dmp

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memory/5508-24-0x00007FF81C360000-0x00007FF81CD04000-memory.dmp

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memory/5508-23-0x00000267F6D70000-0x00000267F6D7A000-memory.dmp

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memory/5508-21-0x00000267F6D50000-0x00000267F6D6E000-memory.dmp

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memory/5508-22-0x00000267F6FF0000-0x00000267F70A2000-memory.dmp

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memory/5508-18-0x00007FF81C360000-0x00007FF81CD04000-memory.dmp

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memory/5508-16-0x00007FF81C360000-0x00007FF81CD04000-memory.dmp

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memory/5508-15-0x00007FF81C360000-0x00007FF81CD04000-memory.dmp

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memory/5508-14-0x00007FF81C360000-0x00007FF81CD04000-memory.dmp

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memory/5508-12-0x00007FF81C360000-0x00007FF81CD04000-memory.dmp

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memory/5508-11-0x00007FF81C360000-0x00007FF81CD04000-memory.dmp

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memory/5508-10-0x00007FF81C360000-0x00007FF81CD04000-memory.dmp

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memory/5508-8-0x00007FF81C360000-0x00007FF81CD04000-memory.dmp

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memory/5508-9-0x00000267F6CB0000-0x00000267F6CD2000-memory.dmp

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memory/5508-5-0x00007FF81C4EF000-0x00007FF81C4F0000-memory.dmp

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