asyncrat | 009836a304833c35cb2336b438f32f29ef113887402f93fe0664505ee7bed246

General

Target

pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
Size

1.0MB
MD5

2596a24f0668203076e4829fa72dcfe7
SHA1

6d47cd0fa430e89e98931c487a179de58b943521
SHA256

009836a304833c35cb2336b438f32f29ef113887402f93fe0664505ee7bed246
SHA512

267359ee0fc829a8d7a7eb954203a238164ec3b397c714c3836241c001d7b90a6dc10720c524a60460597b3a54e47d3e5441dd208bb5a0bcccf7bcfae9432e0e

Score

10^/10

asyncrat rat spyware

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

C2

productos.linkpc.net:3470

Mutex

AsyncMutex_6SI8OkPnk

Attributes

aes_key
cRDJUz3TELGT8tZPsxRbzbKFZunEqWvB
anti_detection
false
autorun
true
bdos
false
delay
Default
host
productos.linkpc.net
hwid
3
install_file
install_folder
%AppData%
mutex
AsyncMutex_6SI8OkPnk
pastebin_config
null
port
3470
version
0.5.7B

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers.
rat asyncrat

Async RAT payload 8 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/2016-10-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/2016-11-0x000000000040C76E-mapping.dmp	asyncrat
behavioral1/memory/2016-12-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/2016-13-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/1608-36-0x000000000040C76E-mapping.dmp	asyncrat
behavioral1/memory/1608-38-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/1608-39-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/1608-43-0x0000000000730000-0x000000000074B000-memory.dmp	asyncrat

Executes dropped EXE 3 IoCs

Processes:

dllwindefenderp.exedllwindefenderp.exewsimth.exe

pid process

1920 dllwindefenderp.exe
1608 dllwindefenderp.exe
1472 wsimth.exe
Loads dropped DLL 2 IoCs

Processes:

cmd.exepowershell.exe

pid process

920 cmd.exe
240 powershell.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

pid	process
1920	dllwindefenderp.exe
1608	dllwindefenderp.exe
1472	wsimth.exe

pid	process
920	cmd.exe
240	powershell.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exedllwindefenderp.exe

description	pid	process	target process
PID 2024 set thread context of 2016	2024	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
PID 1920 set thread context of 1608	1920	dllwindefenderp.exe	dllwindefenderp.exe

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

Processes:

schtasks.exe

pid process

1064 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1556 timeout.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exepowershell.exedllwindefenderp.exe

pid process

2016 pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
240 powershell.exe
1608 dllwindefenderp.exe
240 powershell.exe

pid	process
1064	schtasks.exe

pid	process
1556	timeout.exe

pid	process
2016	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
240	powershell.exe
1608	dllwindefenderp.exe
240	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exedllwindefenderp.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	2016	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
Token: SeDebugPrivilege	1608	dllwindefenderp.exe
Token: SeDebugPrivilege	240	powershell.exe

Suspicious use of WriteProcessMemory 50 IoCs

Processes:

pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exepdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.execmd.execmd.exedllwindefenderp.exedllwindefenderp.execmd.exepowershell.exe

description	pid	process	target process
PID 2024 wrote to memory of 2016	2024	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
PID 2024 wrote to memory of 2016	2024	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
PID 2024 wrote to memory of 2016	2024	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
PID 2024 wrote to memory of 2016	2024	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
PID 2024 wrote to memory of 2016	2024	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
PID 2024 wrote to memory of 2016	2024	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
PID 2024 wrote to memory of 2016	2024	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
PID 2024 wrote to memory of 2016	2024	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
PID 2024 wrote to memory of 2016	2024	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
PID 2016 wrote to memory of 368	2016	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe	cmd.exe
PID 2016 wrote to memory of 368	2016	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe	cmd.exe
PID 2016 wrote to memory of 368	2016	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe	cmd.exe
PID 2016 wrote to memory of 368	2016	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe	cmd.exe
PID 2016 wrote to memory of 920	2016	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe	cmd.exe
PID 2016 wrote to memory of 920	2016	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe	cmd.exe
PID 2016 wrote to memory of 920	2016	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe	cmd.exe
PID 2016 wrote to memory of 920	2016	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe	cmd.exe
PID 368 wrote to memory of 1064	368	cmd.exe	schtasks.exe
PID 368 wrote to memory of 1064	368	cmd.exe	schtasks.exe
PID 368 wrote to memory of 1064	368	cmd.exe	schtasks.exe
PID 368 wrote to memory of 1064	368	cmd.exe	schtasks.exe
PID 920 wrote to memory of 1556	920	cmd.exe	timeout.exe
PID 920 wrote to memory of 1556	920	cmd.exe	timeout.exe
PID 920 wrote to memory of 1556	920	cmd.exe	timeout.exe
PID 920 wrote to memory of 1556	920	cmd.exe	timeout.exe
PID 920 wrote to memory of 1920	920	cmd.exe	dllwindefenderp.exe
PID 920 wrote to memory of 1920	920	cmd.exe	dllwindefenderp.exe
PID 920 wrote to memory of 1920	920	cmd.exe	dllwindefenderp.exe
PID 920 wrote to memory of 1920	920	cmd.exe	dllwindefenderp.exe
PID 1920 wrote to memory of 1608	1920	dllwindefenderp.exe	dllwindefenderp.exe
PID 1920 wrote to memory of 1608	1920	dllwindefenderp.exe	dllwindefenderp.exe
PID 1920 wrote to memory of 1608	1920	dllwindefenderp.exe	dllwindefenderp.exe
PID 1920 wrote to memory of 1608	1920	dllwindefenderp.exe	dllwindefenderp.exe
PID 1920 wrote to memory of 1608	1920	dllwindefenderp.exe	dllwindefenderp.exe
PID 1920 wrote to memory of 1608	1920	dllwindefenderp.exe	dllwindefenderp.exe
PID 1920 wrote to memory of 1608	1920	dllwindefenderp.exe	dllwindefenderp.exe
PID 1920 wrote to memory of 1608	1920	dllwindefenderp.exe	dllwindefenderp.exe
PID 1920 wrote to memory of 1608	1920	dllwindefenderp.exe	dllwindefenderp.exe
PID 1608 wrote to memory of 1512	1608	dllwindefenderp.exe	cmd.exe
PID 1608 wrote to memory of 1512	1608	dllwindefenderp.exe	cmd.exe
PID 1608 wrote to memory of 1512	1608	dllwindefenderp.exe	cmd.exe
PID 1608 wrote to memory of 1512	1608	dllwindefenderp.exe	cmd.exe
PID 1512 wrote to memory of 240	1512	cmd.exe	powershell.exe
PID 1512 wrote to memory of 240	1512	cmd.exe	powershell.exe
PID 1512 wrote to memory of 240	1512	cmd.exe	powershell.exe
PID 1512 wrote to memory of 240	1512	cmd.exe	powershell.exe
PID 240 wrote to memory of 1472	240	powershell.exe	wsimth.exe
PID 240 wrote to memory of 1472	240	powershell.exe	wsimth.exe
PID 240 wrote to memory of 1472	240	powershell.exe	wsimth.exe
PID 240 wrote to memory of 1472	240	powershell.exe	wsimth.exe

C:\Users\Admin\AppData\Local\Temp\pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
"C:\Users\Admin\AppData\Local\Temp\pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2024

C:\Users\Admin\AppData\Local\Temp\pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
"C:\Users\Admin\AppData\Local\Temp\pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2016

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "dllwindefenderp" /tr '"C:\Users\Admin\AppData\Roaming\dllwindefenderp.exe"' & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:368

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "dllwindefenderp" /tr '"C:\Users\Admin\AppData\Roaming\dllwindefenderp.exe"'
4⤵
- Creates scheduled task(s)
PID:1064

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpF2D7.tmp.bat""
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:920

C:\Windows\SysWOW64\timeout.exe
timeout 3
4⤵
- Delays execution with timeout.exe
PID:1556

C:\Users\Admin\AppData\Roaming\dllwindefenderp.exe
"C:\Users\Admin\AppData\Roaming\dllwindefenderp.exe"
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1920

C:\Users\Admin\AppData\Roaming\dllwindefenderp.exe
"C:\Users\Admin\AppData\Roaming\dllwindefenderp.exe"
5⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1608

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c start /b powershell –ExecutionPolicy Bypass Start-Process -FilePath '"C:\Users\Admin\AppData\Local\Temp\wsimth.exe"' & exit
6⤵
- Suspicious use of WriteProcessMemory
PID:1512

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell –ExecutionPolicy Bypass Start-Process -FilePath '"C:\Users\Admin\AppData\Local\Temp\wsimth.exe"'
7⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:240

C:\Users\Admin\AppData\Local\Temp\wsimth.exe
"C:\Users\Admin\AppData\Local\Temp\wsimth.exe"
8⤵
- Executes dropped EXE
PID:1472

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF2D7.tmp.bat
MD5
42d2415e4b42bba584578d0f6079f278

SHA1
ad6a3bc746f1da8e0f6cf82a9670ea90afbe0e6d

SHA256
c3d0729a1d8cc59ba45c7bb9bf3bb63b08d71e0696cd6e2e919be8009cb4f84d

SHA512
2867a3a3e21b3dacae7412eb61142d94dc4f19d99871e702d1a0af3308b7182a5efbfb6a20bdfd138bb24f7720cc458912c6b609d53c904c074fc047aa0dfe43

Download Submit
C:\Users\Admin\AppData\Local\Temp\wsimth.exe
MD5
9216769b1d4d22bab2f52286af332d9a

SHA1
571211c7e9b0756f7ad37b4caf635a598dc7187f

SHA256
9f0d41153879ec3295eb9e98efcecb25922500fd950c3a2d7d7990d98505396c

SHA512
a5625fb9c77e3c80bb31fb0ce3fb4a070882403a43aa66cdb4eb2ac5cc28a6399b592833901bf599d6573cd106d0e220a7d25218d6be0ddb4f3637f4a47c6255

Download Submit
C:\Users\Admin\AppData\Local\Temp\wsimth.exe
MD5
9216769b1d4d22bab2f52286af332d9a

SHA1
571211c7e9b0756f7ad37b4caf635a598dc7187f

SHA256
9f0d41153879ec3295eb9e98efcecb25922500fd950c3a2d7d7990d98505396c

SHA512
a5625fb9c77e3c80bb31fb0ce3fb4a070882403a43aa66cdb4eb2ac5cc28a6399b592833901bf599d6573cd106d0e220a7d25218d6be0ddb4f3637f4a47c6255

Download Submit
C:\Users\Admin\AppData\Roaming\dllwindefenderp.exe
MD5
2596a24f0668203076e4829fa72dcfe7

SHA1
6d47cd0fa430e89e98931c487a179de58b943521

SHA256
009836a304833c35cb2336b438f32f29ef113887402f93fe0664505ee7bed246

SHA512
267359ee0fc829a8d7a7eb954203a238164ec3b397c714c3836241c001d7b90a6dc10720c524a60460597b3a54e47d3e5441dd208bb5a0bcccf7bcfae9432e0e

Download Submit
C:\Users\Admin\AppData\Roaming\dllwindefenderp.exe
MD5
2596a24f0668203076e4829fa72dcfe7

SHA1
6d47cd0fa430e89e98931c487a179de58b943521

SHA256
009836a304833c35cb2336b438f32f29ef113887402f93fe0664505ee7bed246

SHA512
267359ee0fc829a8d7a7eb954203a238164ec3b397c714c3836241c001d7b90a6dc10720c524a60460597b3a54e47d3e5441dd208bb5a0bcccf7bcfae9432e0e

Download Submit
C:\Users\Admin\AppData\Roaming\dllwindefenderp.exe
MD5
2596a24f0668203076e4829fa72dcfe7

SHA1
6d47cd0fa430e89e98931c487a179de58b943521

SHA256
009836a304833c35cb2336b438f32f29ef113887402f93fe0664505ee7bed246

SHA512
267359ee0fc829a8d7a7eb954203a238164ec3b397c714c3836241c001d7b90a6dc10720c524a60460597b3a54e47d3e5441dd208bb5a0bcccf7bcfae9432e0e

Download Submit
\Users\Admin\AppData\Local\Temp\wsimth.exe
MD5
9216769b1d4d22bab2f52286af332d9a

SHA1
571211c7e9b0756f7ad37b4caf635a598dc7187f

SHA256
9f0d41153879ec3295eb9e98efcecb25922500fd950c3a2d7d7990d98505396c

SHA512
a5625fb9c77e3c80bb31fb0ce3fb4a070882403a43aa66cdb4eb2ac5cc28a6399b592833901bf599d6573cd106d0e220a7d25218d6be0ddb4f3637f4a47c6255

Download Submit
\Users\Admin\AppData\Roaming\dllwindefenderp.exe
MD5
2596a24f0668203076e4829fa72dcfe7

SHA1
6d47cd0fa430e89e98931c487a179de58b943521

SHA256
009836a304833c35cb2336b438f32f29ef113887402f93fe0664505ee7bed246

SHA512
267359ee0fc829a8d7a7eb954203a238164ec3b397c714c3836241c001d7b90a6dc10720c524a60460597b3a54e47d3e5441dd208bb5a0bcccf7bcfae9432e0e

Download Submit
memory/240-49-0x0000000004910000-0x0000000004911000-memory.dmp

Filesize
4KB

Download
memory/240-50-0x0000000002580000-0x0000000002581000-memory.dmp

Filesize
4KB

Download
memory/240-51-0x0000000004850000-0x0000000004851000-memory.dmp

Filesize
4KB

Download
memory/240-48-0x00000000020F0000-0x00000000020F1000-memory.dmp

Filesize
4KB

Download
memory/240-54-0x0000000005660000-0x0000000005661000-memory.dmp

Filesize
4KB

Download
memory/240-47-0x0000000073500000-0x0000000073BEE000-memory.dmp

Filesize
6.9MB

Download
memory/240-45-0x0000000000000000-mapping.dmp

Download
memory/240-59-0x00000000060B0000-0x00000000060B1000-memory.dmp

Filesize
4KB

Download
memory/240-46-0x0000000000000000-mapping.dmp

Download
memory/240-60-0x00000000060E0000-0x00000000060E1000-memory.dmp

Filesize
4KB

Download
memory/240-67-0x0000000006280000-0x0000000006281000-memory.dmp

Filesize
4KB

Download
memory/368-17-0x0000000000000000-mapping.dmp

Download
memory/920-18-0x0000000000000000-mapping.dmp

Download
memory/1064-20-0x0000000000000000-mapping.dmp

Download
memory/1472-72-0x0000000073500000-0x0000000073BEE000-memory.dmp

Filesize
6.9MB

Download
memory/1472-73-0x0000000001060000-0x0000000001061000-memory.dmp

Filesize
4KB

Download
memory/1472-75-0x0000000000220000-0x0000000000232000-memory.dmp

Filesize
72KB

Download
memory/1472-70-0x0000000000000000-mapping.dmp

Download
memory/1512-44-0x0000000000000000-mapping.dmp

Download
memory/1556-21-0x0000000000000000-mapping.dmp

Download
memory/1608-39-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1608-43-0x0000000000730000-0x000000000074B000-memory.dmp

Filesize
108KB

Download
memory/1608-40-0x0000000073500000-0x0000000073BEE000-memory.dmp

Filesize
6.9MB

Download
memory/1608-38-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1608-79-0x0000000006280000-0x00000000062D9000-memory.dmp

Filesize
356KB

Download
memory/1608-78-0x0000000005140000-0x00000000051CD000-memory.dmp

Filesize
564KB

Download
memory/1608-77-0x0000000004590000-0x0000000004594000-memory.dmp

Filesize
16KB

Download
memory/1608-76-0x0000000005C40000-0x0000000005CB9000-memory.dmp

Filesize
484KB

Download
memory/1608-36-0x000000000040C76E-mapping.dmp

Download
memory/1920-24-0x0000000000000000-mapping.dmp

Download
memory/1920-27-0x0000000073500000-0x0000000073BEE000-memory.dmp

Filesize
6.9MB

Download
memory/1920-25-0x0000000000000000-mapping.dmp

Download
memory/1920-28-0x00000000009A0000-0x00000000009A1000-memory.dmp

Filesize
4KB

Download
memory/2016-13-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2016-10-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2016-11-0x000000000040C76E-mapping.dmp

Download
memory/2016-12-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2016-14-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/2024-5-0x0000000000690000-0x00000000006A2000-memory.dmp

Filesize
72KB

Download
memory/2024-6-0x0000000005350000-0x00000000053DA000-memory.dmp

Filesize
552KB

Download
memory/2024-3-0x0000000000010000-0x0000000000011000-memory.dmp

Filesize
4KB

Download
memory/2024-7-0x0000000001F60000-0x0000000001F68000-memory.dmp

Filesize
32KB

Download
memory/2024-9-0x0000000005010000-0x000000000507C000-memory.dmp

Filesize
432KB

Download
memory/2024-2-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads