gh0strat | dfe7b7ab2b0ff256b1dd09b415d8bd0c0b74d77207a736450a812a560d8bf851

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
21/06/2024, 02:57

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General

Target
dfe7b7ab2b0ff256b1dd09b415d8bd0c0b74d77207a736450a812a560d8bf851.exe
Size 1.9MB
Sample240621-dfk6hswgrb
SHA256 dfe7b7ab2b0ff256b1dd09b415d8bd0c0b74d77207a736450a812a560d8bf851
MD5 42f3ffb37454a9230d6923f36c6b573a
SHA1 f6f228b8ef447fbfc8b1568d4fa93357e394efe5
SHA512 d7e931f3ee1ca5b97d3f39cbc7bda5025bb99d594f92c0aadd379c6fa72f0a82672f3d677b6dfe972bbef21504182f9e575177823924c55b1ff9593230249f64
SSDEEP 24576:VQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVczGLI+5QXuRcJj2KM8+Eo0DF1:VQZAdVyVT9n/Gg0P+WhojqQXpj2j/W
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 11 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/5056-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5056-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5056-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1784-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1784-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3704-25-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1784-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1784-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3704-85-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3704-89-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3704-90-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 12 IoCs

resource	yara_rule
behavioral2/memory/5056-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5056-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5056-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1784-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/files/0x000700000002341a-36.dat	family_gh0strat
behavioral2/memory/1784-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3704-25-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1784-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1784-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3704-85-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3704-89-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3704-90-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat

Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
rat gh0strat
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\drivers\QAssist.sys	TXPlatforn.exe

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\240603718.txt"	svchos.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	TXPlatforn.exe

Executes dropped EXE 6 IoCs

pid	Process
5056	svchost.exe
1784	TXPlatforn.exe
3704	TXPlatforn.exe
4644	svchos.exe
3932	HD_dfe7b7ab2b0ff256b1dd09b415d8bd0c0b74d77207a736450a812a560d8bf851.exe
4312	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 3 IoCs

pid	Process
4644	svchos.exe
2388	svchost.exe
4312	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 13 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/5056-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5056-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5056-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5056-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1784-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1784-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3704-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1784-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1784-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1784-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3704-85-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3704-89-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3704-90-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240603718.txt	svchos.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	svchos.exe
File created	C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe	svchost.exe
File created	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	dfe7b7ab2b0ff256b1dd09b415d8bd0c0b74d77207a736450a812a560d8bf851.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	dfe7b7ab2b0ff256b1dd09b415d8bd0c0b74d77207a736450a812a560d8bf851.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	dfe7b7ab2b0ff256b1dd09b415d8bd0c0b74d77207a736450a812a560d8bf851.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	dfe7b7ab2b0ff256b1dd09b415d8bd0c0b74d77207a736450a812a560d8bf851.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	dfe7b7ab2b0ff256b1dd09b415d8bd0c0b74d77207a736450a812a560d8bf851.exe

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

System Information Discovery
T1082

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2256	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3764	dfe7b7ab2b0ff256b1dd09b415d8bd0c0b74d77207a736450a812a560d8bf851.exe
3764	dfe7b7ab2b0ff256b1dd09b415d8bd0c0b74d77207a736450a812a560d8bf851.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3704	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	5056	svchost.exe
Token: SeLoadDriverPrivilege	3704	TXPlatforn.exe
Token: 33	3704	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	3704	TXPlatforn.exe
Token: 33	3704	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	3704	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3764	dfe7b7ab2b0ff256b1dd09b415d8bd0c0b74d77207a736450a812a560d8bf851.exe
3764	dfe7b7ab2b0ff256b1dd09b415d8bd0c0b74d77207a736450a812a560d8bf851.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3764 wrote to memory of 5056	3764	dfe7b7ab2b0ff256b1dd09b415d8bd0c0b74d77207a736450a812a560d8bf851.exe	81
PID 3764 wrote to memory of 5056	3764	dfe7b7ab2b0ff256b1dd09b415d8bd0c0b74d77207a736450a812a560d8bf851.exe	81
PID 3764 wrote to memory of 5056	3764	dfe7b7ab2b0ff256b1dd09b415d8bd0c0b74d77207a736450a812a560d8bf851.exe	81
PID 1784 wrote to memory of 3704	1784	TXPlatforn.exe	86
PID 1784 wrote to memory of 3704	1784	TXPlatforn.exe	86
PID 1784 wrote to memory of 3704	1784	TXPlatforn.exe	86
PID 5056 wrote to memory of 2856	5056	svchost.exe	85
PID 5056 wrote to memory of 2856	5056	svchost.exe	85
PID 5056 wrote to memory of 2856	5056	svchost.exe	85
PID 3764 wrote to memory of 4644	3764	dfe7b7ab2b0ff256b1dd09b415d8bd0c0b74d77207a736450a812a560d8bf851.exe	87
PID 3764 wrote to memory of 4644	3764	dfe7b7ab2b0ff256b1dd09b415d8bd0c0b74d77207a736450a812a560d8bf851.exe	87
PID 3764 wrote to memory of 4644	3764	dfe7b7ab2b0ff256b1dd09b415d8bd0c0b74d77207a736450a812a560d8bf851.exe	87
PID 3764 wrote to memory of 3932	3764	dfe7b7ab2b0ff256b1dd09b415d8bd0c0b74d77207a736450a812a560d8bf851.exe	90
PID 3764 wrote to memory of 3932	3764	dfe7b7ab2b0ff256b1dd09b415d8bd0c0b74d77207a736450a812a560d8bf851.exe	90
PID 3764 wrote to memory of 3932	3764	dfe7b7ab2b0ff256b1dd09b415d8bd0c0b74d77207a736450a812a560d8bf851.exe	90
PID 2856 wrote to memory of 2256	2856	cmd.exe	92
PID 2856 wrote to memory of 2256	2856	cmd.exe	92
PID 2856 wrote to memory of 2256	2856	cmd.exe	92
PID 2388 wrote to memory of 4312	2388	svchost.exe	95
PID 2388 wrote to memory of 4312	2388	svchost.exe	95
PID 2388 wrote to memory of 4312	2388	svchost.exe	95

C:\Users\Admin\AppData\Local\Temp\dfe7b7ab2b0ff256b1dd09b415d8bd0c0b74d77207a736450a812a560d8bf851.exe
"C:\Users\Admin\AppData\Local\Temp\dfe7b7ab2b0ff256b1dd09b415d8bd0c0b74d77207a736450a812a560d8bf851.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3764
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  C:\Users\Admin\AppData\Local\Temp\\svchost.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5056
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\svchost.exe > nul
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2856
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2256
- C:\Users\Admin\AppData\Local\Temp\svchos.exe
  C:\Users\Admin\AppData\Local\Temp\\svchos.exe
  2⤵
  - Server Software Component: Terminal Services DLL
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:4644
- C:\Users\Admin\AppData\Local\Temp\HD_dfe7b7ab2b0ff256b1dd09b415d8bd0c0b74d77207a736450a812a560d8bf851.exe
  C:\Users\Admin\AppData\Local\Temp\HD_dfe7b7ab2b0ff256b1dd09b415d8bd0c0b74d77207a736450a812a560d8bf851.exe
  2⤵
  - Executes dropped EXE
  PID:3932

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1784
- C:\Windows\SysWOW64\TXPlatforn.exe
  C:\Windows\SysWOW64\TXPlatforn.exe -acsi
  2⤵
  - Drops file in Drivers directory
  - Sets service image path in registry
  - Executes dropped EXE
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:3704

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:4012

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2388
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240603718.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:4312

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Server Software Component

T1505

Terminal Services DLL

T1505.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 1.4MB
SHA256 b4e4fd5c2225053efaae183dd1cca8da5ab9165b1fe4bcc9221a214464f2e6bb
MD5 99dec9979d692cbfc0dc1b7be028658a
SHA1 35415fbeca203e49321af9ebc61f8c839257a71b
SHA512 b04a32e9387cf08645f569688eb8fa9b22f44602ea255718c4f3b21ae59d221193a0c9df6bb77e352922a4a612445207f108cfe08c92c0f2c4a06a1a26a5fe78
SSDEEP 24576:VQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVczGLI+5QM:VQZAdVyVT9n/Gg0P+WhojqQM
MD5 SHA1 SHA512 SSDEEP

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HD_dfe7b7ab2b0ff256b1dd09b415d8bd0c0b74d77207a736450a812a560d8bf851.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_dfe7b7ab2b0ff256b1dd09b415d8bd0c0b74d77207a736450a812a560d8bf851.exe
Size 437KB
SHA256 d32f4227a312abc42fca893f17b947420330f67b371bdf6d1a3e8dc241d53514
MD5 0a72ebf5ab50b1b66057843730813005
SHA1 40ffbe8f2fc30407145ee896ad166d08562acc30
SHA512 56b8acffb6ce9f26ce4263c981df2d76ad183de52c86c04e7c73e819cb2b38784de2d8401f5d93609b29ede5209779f152b01ee5be053c72ec339a08e86020f0
SSDEEP 6144:NKt9UNNchRvN3yJMMBeAOMj2MsOel8+Eo0DFuaxBK/W:NuONcXs98uj2KM8+Eo0DFukBK/W
MD5 SHA1 SHA512 SSDEEP

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svchos.exe

Path C:\Users\Admin\AppData\Local\Temp\svchos.exe
Size 93KB
SHA256 62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84
MD5 3b377ad877a942ec9f60ea285f7119a2
SHA1 60b23987b20d913982f723ab375eef50fafa6c70
SHA512 af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f
SSDEEP 1536:ktbE7m8nNEQ2O6ReWMWfPbp2WTrW9L3JPPgJ+o5FJYHvh/P6:Bm+2LReWjTrW9rNPgYoTJYHvh
MD5 SHA1 SHA512 SSDEEP

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svchost.exe

Path C:\Users\Admin\AppData\Local\Temp\svchost.exe
Size 377KB
SHA256 6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd
MD5 a4329177954d4104005bce3020e5ef59
SHA1 23c29e295e2dbb8454012d619ca3f81e4c16e85a
SHA512 81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208
SSDEEP 6144:5UGp2l6zRmeVLNHfkQ2TAygOcqAJwQZgb4YtjH6/MuQafORzEOmFfMzi71o+YgL7:HclcceBKlKwAg0Mja/UafOVwbhF
MD5 SHA1 SHA512 SSDEEP

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240603718.txt

Path C:\Windows\SysWOW64\240603718.txt
Size 50KB
SHA256 e62ce926671bbf8eb4ba7eccc0f5cbce52119081a0be62a8713d276d9af3be51
MD5 10a114c183a0d9a6f21ddf14b1d639ef
SHA1 c7c20a917b72bb6ce6410e5cdc0544d061cea7a4
SHA512 20db4c669b8a67b7f162ce1234e93857242100f371320cd4b343c8858a678e63971667836e4e8387587df03648e623cf6ae10b12ffab9c5dcced4b391c301e36
SSDEEP 1536:WD1N4TeeWMWfPbp2WTrW9L3JPPgJ+o5oJYH:W5ReWjTrW9rNPgYo2JYH
MD5 SHA1 SHA512 SSDEEP

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Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Path C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
Size 60KB
SHA256 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
MD5 889b99c52a60dd49227c5e485a016679
SHA1 8fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA512 08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
SSDEEP 1536:H9ykYCTdiHQKrFXmw2RQln5IUmDjoX6+:HlMHprF2nRQln5I
MD5 SHA1 SHA512 SSDEEP

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memory/1784-16-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1784-17-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1784-28-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1784-15-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1784-13-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3704-25-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3704-85-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3704-89-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3704-90-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/5056-6-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/5056-10-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/5056-7-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/5056-4-0x0000000010000000-0x00000000101B6000-memory.dmp

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