epsilon | 8863f887505fb33aa29b652cb3f84999c63da172d917b96ea7958a869d508506

Resubmissions

23/03/2024, 20:50

240323-zmtl5aeg7z10

23/03/2024, 01:09

240323-bh4drsbd5610

22/03/2024, 21:56

240322-1tr8baca3v10

22/03/2024, 02:58

240322-dglhnsff4910

Analysis

max time kernel
151s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
22/03/2024, 21:56

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General

Target
azkzkzz.exe
Size 168.4MB
Sample240322-1tr8baca3v
SHA256 a04e61c7d07593d8cd0981f1a209790df34a06ce2f6b8b1c3056da501a08734c
MD5 5417c504368499446bdec5db1fc32084
SHA1 06f065023d2c7feb3b0d06165e71e90e5bb6f3f1
SHA512 ebf0ff91a80c5658b361a08511df95ae4356cf34d58721473c534cee889e2875687ffd5109b9b6a6d8932c1b7ff42ba2f3eaf1365b6d75036f2f3c9a21cb04bd
SSDEEP 1572864:OFMGWm9AKuVLWFivYPZ9eNo6pIaIPbDjK14DTbGWeUVXIHzzx9dbF5Zwa80aSesY:BGFWZoNaKDTopXz
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

epsilon spyware stealer

Malware Config

Signatures

Epsilon Stealer
Information stealer.
stealer epsilon

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-1-5-21-399997616-3400990511-967324271-1000\Control Panel\International\Geo\Nation	azkzkzz.exe

Loads dropped DLL 2 IoCs

pid	Process
1080	azkzkzz.exe
1080	azkzkzz.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
T1552.001

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
39	ipinfo.io
40	ipinfo.io

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
1316	WMIC.exe

Enumerates processes with tasklist 1 TTPs 2 IoCs

Process Discovery

T1057

pid	Process
1768	tasklist.exe
5000	tasklist.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
836	azkzkzz.exe
836	azkzkzz.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1640	WMIC.exe
Token: SeSecurityPrivilege	1640	WMIC.exe
Token: SeTakeOwnershipPrivilege	1640	WMIC.exe
Token: SeLoadDriverPrivilege	1640	WMIC.exe
Token: SeSystemProfilePrivilege	1640	WMIC.exe
Token: SeSystemtimePrivilege	1640	WMIC.exe
Token: SeProfSingleProcessPrivilege	1640	WMIC.exe
Token: SeIncBasePriorityPrivilege	1640	WMIC.exe
Token: SeCreatePagefilePrivilege	1640	WMIC.exe
Token: SeBackupPrivilege	1640	WMIC.exe
Token: SeRestorePrivilege	1640	WMIC.exe
Token: SeShutdownPrivilege	1640	WMIC.exe
Token: SeDebugPrivilege	1640	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1640	WMIC.exe
Token: SeRemoteShutdownPrivilege	1640	WMIC.exe
Token: SeUndockPrivilege	1640	WMIC.exe
Token: SeManageVolumePrivilege	1640	WMIC.exe
Token: 33	1640	WMIC.exe
Token: 34	1640	WMIC.exe
Token: 35	1640	WMIC.exe
Token: 36	1640	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1640	WMIC.exe
Token: SeSecurityPrivilege	1640	WMIC.exe
Token: SeTakeOwnershipPrivilege	1640	WMIC.exe
Token: SeLoadDriverPrivilege	1640	WMIC.exe
Token: SeSystemProfilePrivilege	1640	WMIC.exe
Token: SeSystemtimePrivilege	1640	WMIC.exe
Token: SeProfSingleProcessPrivilege	1640	WMIC.exe
Token: SeIncBasePriorityPrivilege	1640	WMIC.exe
Token: SeCreatePagefilePrivilege	1640	WMIC.exe
Token: SeBackupPrivilege	1640	WMIC.exe
Token: SeRestorePrivilege	1640	WMIC.exe
Token: SeShutdownPrivilege	1640	WMIC.exe
Token: SeDebugPrivilege	1640	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1640	WMIC.exe
Token: SeRemoteShutdownPrivilege	1640	WMIC.exe
Token: SeUndockPrivilege	1640	WMIC.exe
Token: SeManageVolumePrivilege	1640	WMIC.exe
Token: 33	1640	WMIC.exe
Token: 34	1640	WMIC.exe
Token: 35	1640	WMIC.exe
Token: 36	1640	WMIC.exe
Token: SeShutdownPrivilege	1080	azkzkzz.exe
Token: SeCreatePagefilePrivilege	1080	azkzkzz.exe
Token: SeDebugPrivilege	1768	tasklist.exe
Token: SeIncreaseQuotaPrivilege	1964	WMIC.exe
Token: SeSecurityPrivilege	1964	WMIC.exe
Token: SeTakeOwnershipPrivilege	1964	WMIC.exe
Token: SeLoadDriverPrivilege	1964	WMIC.exe
Token: SeSystemProfilePrivilege	1964	WMIC.exe
Token: SeSystemtimePrivilege	1964	WMIC.exe
Token: SeProfSingleProcessPrivilege	1964	WMIC.exe
Token: SeIncBasePriorityPrivilege	1964	WMIC.exe
Token: SeCreatePagefilePrivilege	1964	WMIC.exe
Token: SeBackupPrivilege	1964	WMIC.exe
Token: SeRestorePrivilege	1964	WMIC.exe
Token: SeShutdownPrivilege	1964	WMIC.exe
Token: SeDebugPrivilege	1964	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1964	WMIC.exe
Token: SeRemoteShutdownPrivilege	1964	WMIC.exe
Token: SeUndockPrivilege	1964	WMIC.exe
Token: SeManageVolumePrivilege	1964	WMIC.exe
Token: 33	1964	WMIC.exe
Token: 34	1964	WMIC.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1080 wrote to memory of 4596	1080	azkzkzz.exe	93
PID 1080 wrote to memory of 4596	1080	azkzkzz.exe	93
PID 4596 wrote to memory of 1640	4596	cmd.exe	95
PID 4596 wrote to memory of 1640	4596	cmd.exe	95
PID 1080 wrote to memory of 1736	1080	azkzkzz.exe	96
PID 1080 wrote to memory of 1736	1080	azkzkzz.exe	96
PID 1080 wrote to memory of 1736	1080	azkzkzz.exe	96
PID 1080 wrote to memory of 1736	1080	azkzkzz.exe	96
PID 1080 wrote to memory of 1736	1080	azkzkzz.exe	96
PID 1080 wrote to memory of 1736	1080	azkzkzz.exe	96
PID 1080 wrote to memory of 1736	1080	azkzkzz.exe	96
PID 1080 wrote to memory of 1736	1080	azkzkzz.exe	96
PID 1080 wrote to memory of 1736	1080	azkzkzz.exe	96
PID 1080 wrote to memory of 1736	1080	azkzkzz.exe	96
PID 1080 wrote to memory of 1736	1080	azkzkzz.exe	96
PID 1080 wrote to memory of 1736	1080	azkzkzz.exe	96
PID 1080 wrote to memory of 1736	1080	azkzkzz.exe	96
PID 1080 wrote to memory of 1736	1080	azkzkzz.exe	96
PID 1080 wrote to memory of 1736	1080	azkzkzz.exe	96
PID 1080 wrote to memory of 1736	1080	azkzkzz.exe	96
PID 1080 wrote to memory of 1736	1080	azkzkzz.exe	96
PID 1080 wrote to memory of 1736	1080	azkzkzz.exe	96
PID 1080 wrote to memory of 1736	1080	azkzkzz.exe	96
PID 1080 wrote to memory of 1736	1080	azkzkzz.exe	96
PID 1080 wrote to memory of 1736	1080	azkzkzz.exe	96
PID 1080 wrote to memory of 1736	1080	azkzkzz.exe	96
PID 1080 wrote to memory of 1736	1080	azkzkzz.exe	96
PID 1080 wrote to memory of 1736	1080	azkzkzz.exe	96
PID 1080 wrote to memory of 1736	1080	azkzkzz.exe	96
PID 1080 wrote to memory of 1736	1080	azkzkzz.exe	96
PID 1080 wrote to memory of 1736	1080	azkzkzz.exe	96
PID 1080 wrote to memory of 1736	1080	azkzkzz.exe	96
PID 1080 wrote to memory of 1736	1080	azkzkzz.exe	96
PID 1080 wrote to memory of 1736	1080	azkzkzz.exe	96
PID 1080 wrote to memory of 3300	1080	azkzkzz.exe	97
PID 1080 wrote to memory of 3300	1080	azkzkzz.exe	97
PID 1080 wrote to memory of 4416	1080	azkzkzz.exe	99
PID 1080 wrote to memory of 4416	1080	azkzkzz.exe	99
PID 1080 wrote to memory of 2908	1080	azkzkzz.exe	101
PID 1080 wrote to memory of 2908	1080	azkzkzz.exe	101
PID 1080 wrote to memory of 3240	1080	azkzkzz.exe	102
PID 1080 wrote to memory of 3240	1080	azkzkzz.exe	102
PID 4416 wrote to memory of 3024	4416	cmd.exe	105
PID 4416 wrote to memory of 3024	4416	cmd.exe	105
PID 3240 wrote to memory of 1768	3240	cmd.exe	107
PID 3240 wrote to memory of 1768	3240	cmd.exe	107
PID 2908 wrote to memory of 4940	2908	cmd.exe	106
PID 2908 wrote to memory of 4940	2908	cmd.exe	106
PID 1080 wrote to memory of 3176	1080	azkzkzz.exe	108
PID 1080 wrote to memory of 3176	1080	azkzkzz.exe	108
PID 3176 wrote to memory of 1964	3176	cmd.exe	110
PID 3176 wrote to memory of 1964	3176	cmd.exe	110
PID 1080 wrote to memory of 2648	1080	azkzkzz.exe	111
PID 1080 wrote to memory of 2648	1080	azkzkzz.exe	111
PID 2648 wrote to memory of 1316	2648	cmd.exe	113
PID 2648 wrote to memory of 1316	2648	cmd.exe	113
PID 1080 wrote to memory of 4612	1080	azkzkzz.exe	114
PID 1080 wrote to memory of 4612	1080	azkzkzz.exe	114
PID 4612 wrote to memory of 1904	4612	cmd.exe	116
PID 4612 wrote to memory of 1904	4612	cmd.exe	116
PID 4612 wrote to memory of 4080	4612	cmd.exe	118
PID 4612 wrote to memory of 4080	4612	cmd.exe	118
PID 1080 wrote to memory of 2088	1080	azkzkzz.exe	119
PID 1080 wrote to memory of 2088	1080	azkzkzz.exe	119

C:\Users\Admin\AppData\Local\Temp\azkzkzz.exe
"C:\Users\Admin\AppData\Local\Temp\azkzkzz.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1080
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /d /s /c "wmic CsProduct Get UUID"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4596
- - C:\Windows\System32\Wbem\WMIC.exe
    wmic CsProduct Get UUID
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1640
- C:\Users\Admin\AppData\Local\Temp\azkzkzz.exe
  "C:\Users\Admin\AppData\Local\Temp\azkzkzz.exe" --type=gpu-process --user-data-dir="C:\Users\Admin\AppData\Roaming\azkzkzz" --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=1732 --field-trial-handle=1736,i,11256991759815696759,4671372825823692308,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version /prefetch:2
  2⤵
  PID:1736
- C:\Users\Admin\AppData\Local\Temp\azkzkzz.exe
  "C:\Users\Admin\AppData\Local\Temp\azkzkzz.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --user-data-dir="C:\Users\Admin\AppData\Roaming\azkzkzz" --mojo-platform-channel-handle=1804 --field-trial-handle=1736,i,11256991759815696759,4671372825823692308,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version /prefetch:3
  2⤵
  PID:3300
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /d /s /c "C:\Windows\system32\reg.exe QUERY "HKCU\SOFTWARE\Martin Prikryl\WinSCP 2\Sessions""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4416
- - C:\Windows\system32\reg.exe
    C:\Windows\system32\reg.exe QUERY "HKCU\SOFTWARE\Martin Prikryl\WinSCP 2\Sessions"
    3⤵
    PID:3024
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /d /s /c "C:\Windows\system32\reg.exe QUERY "HKCU\Software\Valve\Steam" /v SteamPath"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2908
- - C:\Windows\system32\reg.exe
    C:\Windows\system32\reg.exe QUERY "HKCU\Software\Valve\Steam" /v SteamPath
    3⤵
    PID:4940
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /d /s /c "tasklist"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3240
- - C:\Windows\system32\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:1768
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /d /s /c "wmic /Node:localhost /Namespace:\\root\SecurityCenter2 Path AntiVirusProduct Get displayName /Format:List"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3176
- - C:\Windows\System32\Wbem\WMIC.exe
    wmic /Node:localhost /Namespace:\\root\SecurityCenter2 Path AntiVirusProduct Get displayName /Format:List
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1964
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /d /s /c "wmic path win32_VideoController get name"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2648
- - C:\Windows\System32\Wbem\WMIC.exe
    wmic path win32_VideoController get name
    3⤵
    - Detects videocard installed
    PID:1316
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /d /s /c "cmd /c chcp 65001>nul && netsh wlan show profiles"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4612
- - C:\Windows\system32\cmd.exe
    cmd /c chcp 65001
    3⤵
    PID:1904
  - - C:\Windows\system32\chcp.com
      chcp 65001
      4⤵
      PID:4524
- - C:\Windows\system32\netsh.exe
    netsh wlan show profiles
    3⤵
    PID:4080
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /d /s /c "tasklist"
  2⤵
  PID:2088
- - C:\Windows\system32\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    PID:5000
- C:\Users\Admin\AppData\Local\Temp\azkzkzz.exe
  "C:\Users\Admin\AppData\Local\Temp\azkzkzz.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --user-data-dir="C:\Users\Admin\AppData\Roaming\azkzkzz" --gpu-preferences=WAAAAAAAAADoAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAABEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=908 --field-trial-handle=1736,i,11256991759815696759,4671372825823692308,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:836

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Process Discovery

T1057

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

092f6c8c-a10a-4aa6-b789-785cc065be2f.tmp.node

Path C:\Users\Admin\AppData\Local\Temp\092f6c8c-a10a-4aa6-b789-785cc065be2f.tmp.node
Size 126KB
SHA256 affeacd41ee589f4915998c242fd1fa063395354259b3c642730e360910b3961
MD5 6a5fa8f6cf9fc7c958172a82984c3c95
SHA1 593f97e8d05a5415f9ebde9fd63093a52c62aa94
SHA512 a86e823421fa0ba2217398d0bc92d3d737130785d96b5c6a4952eaa09161baf5a6f9db6d18ba792a73941b4032c09100f78f1090163c6c932455ce1b6c51165e
SSDEEP 3072:fTr9fr84R8X7m/QaUQpeeLekOjeiCSwei/zWc22UkwB:71I4R8X7m/QaUQpV8qiCS5iO2Pw
MD5 SHA1 SHA512 SSDEEP

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6c355787-99e3-4f3c-a953-bf9248df7d04.tmp.node

Path C:\Users\Admin\AppData\Local\Temp\6c355787-99e3-4f3c-a953-bf9248df7d04.tmp.node
Size 1.6MB
SHA256 2b3a468813b7288751e8a0883423162c1a69d27d3640bcd7dd797f7686f44312
MD5 0bf1d85322f9209e43bc20b1b1c359bc
SHA1 f1b27003420a4a5c2ea1f0cb57a49087903264f8
SHA512 54060afd79fe093658f7a4e2148312648ea083a3347181ba6ea877f2b30f9f0704e7ef16f6cfcd3c6f594b5ed9c2f348d795ad57b7f502530dabf2ae74fef71d
SSDEEP 24576:qsYTawpzh4JZknpAML0sH2byjbPFBf6wxpxeDLz6QSw6rSWPXXzhgZtm:n6Ayqby3PT62psDmSqqZt
MD5 SHA1 SHA512 SSDEEP

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Web Data

Path C:\Users\Admin\AppData\Local\Temp\Web Data
Size 116KB
SHA256 8d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8
MD5 f70aa3fa04f0536280f872ad17973c3d
SHA1 50a7b889329a92de1b272d0ecf5fce87395d3123
SHA512 30675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84
SSDEEP 192:CTPNbUJ6IH9xhomnGCTjHbRjCLqtzKWJaWtETVumQ6W:UPWJ6a9xpnQLqtzKWJnsVumQn
MD5 SHA1 SHA512 SSDEEP

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Antivirus.txt

Path C:\Users\Admin\AppData\Local\Temp\epsilon-Admin\Antivirus.txt
Size 231B
SHA256 753b99d2b4e8c58bfd10995d0c2c19255fe9c8f53703bb27d1b6f76f1f4e83cc
MD5 dec2be4f1ec3592cea668aa279e7cc9b
SHA1 327cf8ab0c895e10674e00ea7f437784bb11d718
SHA512 81728e3d31b72905b3a09c79d1e307c4e8e79d436fcfe7560a8046b46ca4ae994fdfaeb1bc2328e35f418b8128f2e7239289e84350e142146df9cde86b20bb66
MD5 SHA1 SHA512

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memory/836-62-0x00000188E3600000-0x00000188E3601000-memory.dmp

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memory/836-64-0x00000188E3600000-0x00000188E3601000-memory.dmp

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memory/836-63-0x00000188E3600000-0x00000188E3601000-memory.dmp

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memory/836-69-0x00000188E3600000-0x00000188E3601000-memory.dmp

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memory/836-68-0x00000188E3600000-0x00000188E3601000-memory.dmp

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memory/836-70-0x00000188E3600000-0x00000188E3601000-memory.dmp

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memory/836-71-0x00000188E3600000-0x00000188E3601000-memory.dmp

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memory/836-72-0x00000188E3600000-0x00000188E3601000-memory.dmp

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memory/836-73-0x00000188E3600000-0x00000188E3601000-memory.dmp

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memory/836-74-0x00000188E3600000-0x00000188E3601000-memory.dmp

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