gh0strat | e41e0aa4877b787b2021bd0148f547c192849632351292b86cb6a7b2d06cec5f

General

Target

e41e0aa4877b787b2021bd0148f547c192849632351292b86cb6a7b2d06cec5f.exe
Size

1.7MB
MD5

613cab77c52846189b012d5aaccd2195
SHA1

446a34a6e6b409e540e942bfe098e01fad69dd44
SHA256

e41e0aa4877b787b2021bd0148f547c192849632351292b86cb6a7b2d06cec5f
SHA512

9c46fd733bc0faabe1d0ef7d8a162eef970b3bc05b57a80c496dc28712d0b26444c5facf8c1f343dc42d0e5751e5a9815609186d3972807c699ebb7814a8ec84
SSDEEP

24576:fQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVRvyn2pWvsL0vO2:fQZAdVyVT9n/Gg0P+Whouvyn2Aa0vO2

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 11 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/3468-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3468-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3468-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/932-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/932-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/932-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2768-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2768-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2768-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/932-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2768-25-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 12 IoCs

resource	yara_rule
behavioral2/memory/3468-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3468-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3468-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/932-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/932-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/932-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2768-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/files/0x0008000000023c50-42.dat	family_gh0strat
behavioral2/memory/2768-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2768-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/932-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2768-25-0x0000000010000000-0x00000000101B6000-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\\240619359.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
3468	svchost.exe
932	TXPlatforn.exe
2768	TXPlatforn.exe
4000	svchos.exe
3496	HD_e41e0aa4877b787b2021bd0148f547c192849632351292b86cb6a7b2d06cec5f.exe
4824	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 3 IoCs

pid	Process
4000	svchos.exe
4088	svchost.exe
4824	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File created	C:\Windows\SysWOW64\240619359.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

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3468-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3468-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3468-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3468-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/932-14-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/932-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/932-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/932-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2768-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2768-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2768-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/932-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2768-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	e41e0aa4877b787b2021bd0148f547c192849632351292b86cb6a7b2d06cec5f.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	e41e0aa4877b787b2021bd0148f547c192849632351292b86cb6a7b2d06cec5f.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	e41e0aa4877b787b2021bd0148f547c192849632351292b86cb6a7b2d06cec5f.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	e41e0aa4877b787b2021bd0148f547c192849632351292b86cb6a7b2d06cec5f.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	e41e0aa4877b787b2021bd0148f547c192849632351292b86cb6a7b2d06cec5f.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process
1836	3496	WerFault.exe

System Location Discovery: System Language Discovery 1 TTPs 8 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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchos.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e41e0aa4877b787b2021bd0148f547c192849632351292b86cb6a7b2d06cec5f.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
4044	cmd.exe
2832	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2832	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3808	e41e0aa4877b787b2021bd0148f547c192849632351292b86cb6a7b2d06cec5f.exe
3808	e41e0aa4877b787b2021bd0148f547c192849632351292b86cb6a7b2d06cec5f.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2768	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3468	svchost.exe
Token: SeLoadDriverPrivilege	2768	TXPlatforn.exe
Token: 33	2768	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2768	TXPlatforn.exe
Token: 33	2768	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2768	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3808	e41e0aa4877b787b2021bd0148f547c192849632351292b86cb6a7b2d06cec5f.exe
3808	e41e0aa4877b787b2021bd0148f547c192849632351292b86cb6a7b2d06cec5f.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3808 wrote to memory of 3468	3808	e41e0aa4877b787b2021bd0148f547c192849632351292b86cb6a7b2d06cec5f.exe	84
PID 3808 wrote to memory of 3468	3808	e41e0aa4877b787b2021bd0148f547c192849632351292b86cb6a7b2d06cec5f.exe	84
PID 3808 wrote to memory of 3468	3808	e41e0aa4877b787b2021bd0148f547c192849632351292b86cb6a7b2d06cec5f.exe	84
PID 3468 wrote to memory of 4044	3468	svchost.exe	87
PID 3468 wrote to memory of 4044	3468	svchost.exe	87
PID 3468 wrote to memory of 4044	3468	svchost.exe	87
PID 932 wrote to memory of 2768	932	TXPlatforn.exe	88
PID 932 wrote to memory of 2768	932	TXPlatforn.exe	88
PID 932 wrote to memory of 2768	932	TXPlatforn.exe	88
PID 3808 wrote to memory of 4000	3808	e41e0aa4877b787b2021bd0148f547c192849632351292b86cb6a7b2d06cec5f.exe	89
PID 3808 wrote to memory of 4000	3808	e41e0aa4877b787b2021bd0148f547c192849632351292b86cb6a7b2d06cec5f.exe	89
PID 3808 wrote to memory of 4000	3808	e41e0aa4877b787b2021bd0148f547c192849632351292b86cb6a7b2d06cec5f.exe	89
PID 3808 wrote to memory of 3496	3808	e41e0aa4877b787b2021bd0148f547c192849632351292b86cb6a7b2d06cec5f.exe	93
PID 3808 wrote to memory of 3496	3808	e41e0aa4877b787b2021bd0148f547c192849632351292b86cb6a7b2d06cec5f.exe	93
PID 3808 wrote to memory of 3496	3808	e41e0aa4877b787b2021bd0148f547c192849632351292b86cb6a7b2d06cec5f.exe	93
PID 4044 wrote to memory of 2832	4044	cmd.exe	98
PID 4044 wrote to memory of 2832	4044	cmd.exe	98
PID 4044 wrote to memory of 2832	4044	cmd.exe	98
PID 4088 wrote to memory of 4824	4088	svchost.exe	99
PID 4088 wrote to memory of 4824	4088	svchost.exe	99
PID 4088 wrote to memory of 4824	4088	svchost.exe	99

C:\Users\Admin\AppData\Local\Temp\e41e0aa4877b787b2021bd0148f547c192849632351292b86cb6a7b2d06cec5f.exe
"C:\Users\Admin\AppData\Local\Temp\e41e0aa4877b787b2021bd0148f547c192849632351292b86cb6a7b2d06cec5f.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3808
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3468
- - 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⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:4044
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:2832
- 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
  - System Location Discovery: System Language Discovery
  PID:4000
- C:\Users\Admin\AppData\Local\Temp\HD_e41e0aa4877b787b2021bd0148f547c192849632351292b86cb6a7b2d06cec5f.exe
  C:\Users\Admin\AppData\Local\Temp\HD_e41e0aa4877b787b2021bd0148f547c192849632351292b86cb6a7b2d06cec5f.exe
  2⤵
  - Executes dropped EXE
  PID:3496
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3496 -s 180
    3⤵
    - Program crash
    PID:1836

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:932
- 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:2768

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:3200

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4088
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240619359.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:4824

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3496 -ip 3496
1⤵
PID:468

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Server Software Component

1

T1505

Terminal Services DLL

1

T1505.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat

Filesize
1.3MB

MD5
0d67d0cc70e07610637df41603e270dc

SHA1
7ad60ac8c0981dbb081ca729127a0ce5b0da26a9

SHA256
5c9064ec5c98e8c2ace0747e63028ab4ede90cabd9c6a8fa63f62e7ad78e2298

SHA512
fca2322d33b1019f80e6df44079ceb397cfaa3b1c39e78845dd59ccda40120564e428479fa0e951de0f4359e477744d1c6919bee016d16685fceb4d908e8ead8

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_e41e0aa4877b787b2021bd0148f547c192849632351292b86cb6a7b2d06cec5f.exe

Filesize
382KB

MD5
4234e76a1b12c5f76b264c99540fd736

SHA1
afd7b46e145f66f7f260b4d720977b366bca8ad8

SHA256
8f9fe72ba974d046e3178e96cf38007a8640bcb179bf83708d64d5e5e21096cf

SHA512
89eeb028bea5ce6323ad90f67aedbdb2a1b9ab3f903a58d9b665a4193c44fe3de77b985401d46af3f3923190d404e9ab9333b3a58cbb075a07842e0a082f2ef1

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchos.exe

Filesize
93KB

MD5
3b377ad877a942ec9f60ea285f7119a2

SHA1
60b23987b20d913982f723ab375eef50fafa6c70

SHA256
62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

SHA512
af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
377KB

MD5
a4329177954d4104005bce3020e5ef59

SHA1
23c29e295e2dbb8454012d619ca3f81e4c16e85a

SHA256
6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

SHA512
81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

Download Submit
C:\Windows\SysWOW64\240619359.txt

Filesize
50KB

MD5
57d3082986cd32e4b9cf035e3c3599a7

SHA1
d2cf3e3627d32f704872fea04307d99423256a93

SHA256
7bbe358891cc7aa7c7e08aac4726a1825107c1aeb3fd210c9c0e5c488ae9d7e2

SHA512
12ef6e802db2d8197e2986199d692134d814fc6157fe85e01490681f1e58046ca1266be3bda565466f5bdfc56a258759d12a01213cef5c8ca3c3fd40e4a711c8

Download Submit
C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/932-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/932-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/932-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/932-14-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/932-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2768-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2768-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2768-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2768-25-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3468-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3468-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3468-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3468-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads