modiloader | d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 03:48

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General

Target

d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe
Size

90KB
MD5

de8e430b537229962e0791dd097a3fe3
SHA1

52e5023caa0763d1c4c51088cff5f8b936c9e89b
SHA256

d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776
SHA512

85ccb99de38cae591890e3a97f8dc26a906d93db2635fd086effcd717ddbc924c7995cc6d8dcf27d77ed3583bf5d93364de7932b021c675c1f4d523a20954aa7
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD4:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3S

Score

10^/10

modiloader discovery persistence trojan upx

Malware Config

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
Modiloader family
modiloader

ModiLoader Second Stage 1 IoCs

resource	yara_rule
behavioral1/memory/940-264-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2528	csrsll.exe
1892	csrsll.exe
940	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2880	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe
2880	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe
2880	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe
2880	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe
2880	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1904 set thread context of 2880	1904	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe	31
PID 2528 set thread context of 1892	2528	csrsll.exe	36
PID 2528 set thread context of 940	2528	csrsll.exe	37

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1904-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1904-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1904-81-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2880-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2880-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1904-100-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2880-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1904-102-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2880-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2880-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2880-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2880-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2880-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000a0000000120f9-132.dat	upx
behavioral1/memory/2880-153-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2528-218-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1892-244-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2880-257-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2528-254-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/940-252-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1892-261-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/940-264-0x0000000000400000-0x0000000000414000-memory.dmp	upx

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 7 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	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1904	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe
2880	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe
2528	csrsll.exe
1892	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1904 wrote to memory of 2880	1904	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe	31
PID 1904 wrote to memory of 2880	1904	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe	31
PID 1904 wrote to memory of 2880	1904	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe	31
PID 1904 wrote to memory of 2880	1904	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe	31
PID 1904 wrote to memory of 2880	1904	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe	31
PID 1904 wrote to memory of 2880	1904	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe	31
PID 1904 wrote to memory of 2880	1904	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe	31
PID 1904 wrote to memory of 2880	1904	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe	31
PID 2880 wrote to memory of 2068	2880	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe	32
PID 2880 wrote to memory of 2068	2880	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe	32
PID 2880 wrote to memory of 2068	2880	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe	32
PID 2880 wrote to memory of 2068	2880	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe	32
PID 2068 wrote to memory of 264	2068	cmd.exe	34
PID 2068 wrote to memory of 264	2068	cmd.exe	34
PID 2068 wrote to memory of 264	2068	cmd.exe	34
PID 2068 wrote to memory of 264	2068	cmd.exe	34
PID 2880 wrote to memory of 2528	2880	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe	35
PID 2880 wrote to memory of 2528	2880	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe	35
PID 2880 wrote to memory of 2528	2880	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe	35
PID 2880 wrote to memory of 2528	2880	d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe	35
PID 2528 wrote to memory of 1892	2528	csrsll.exe	36
PID 2528 wrote to memory of 1892	2528	csrsll.exe	36
PID 2528 wrote to memory of 1892	2528	csrsll.exe	36
PID 2528 wrote to memory of 1892	2528	csrsll.exe	36
PID 2528 wrote to memory of 1892	2528	csrsll.exe	36
PID 2528 wrote to memory of 1892	2528	csrsll.exe	36
PID 2528 wrote to memory of 1892	2528	csrsll.exe	36
PID 2528 wrote to memory of 1892	2528	csrsll.exe	36
PID 2528 wrote to memory of 940	2528	csrsll.exe	37
PID 2528 wrote to memory of 940	2528	csrsll.exe	37
PID 2528 wrote to memory of 940	2528	csrsll.exe	37
PID 2528 wrote to memory of 940	2528	csrsll.exe	37
PID 2528 wrote to memory of 940	2528	csrsll.exe	37
PID 2528 wrote to memory of 940	2528	csrsll.exe	37
PID 2528 wrote to memory of 940	2528	csrsll.exe	37
PID 2528 wrote to memory of 940	2528	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe
"C:\Users\Admin\AppData\Local\Temp\d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1904
- C:\Users\Admin\AppData\Local\Temp\d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe
  "C:\Users\Admin\AppData\Local\Temp\d93fb1434cbed2fa100b45915b14130fd35e888db24abf056a0bea6c9c19f776.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2880
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\IQIRO.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2068
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Win Pdf" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe" /f
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:264
- - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2528
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:1892
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:940

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IQIRO.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe

Filesize
90KB

MD5
3c9dea8670d28a0bcf9de6b61b841db4

SHA1
9a69f52ff11f6d2965fd26e9a4b807f0bfdfca34

SHA256
ca67208d4f815e64b9d8e26982fd4cba2fe88e0db9b746eebedb7df5a63e1b84

SHA512
56627f48e005e400446795f1e1af45bffc644153e74953c63e583d57b03fdfa032883d726d998035e891e8229a6dc5416ad0109368568ffa3c9d64ad124009d3

Download Submit
memory/940-264-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/940-252-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1892-244-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1892-261-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1904-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1904-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1904-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/1904-100-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1904-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1904-102-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1904-15-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1904-81-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1904-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1904-79-0x0000000000390000-0x0000000000392000-memory.dmp

Filesize
8KB

Download
memory/1904-71-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/1904-61-0x0000000000350000-0x0000000000351000-memory.dmp

Filesize
4KB

Download
memory/1904-41-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/1904-29-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2528-218-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2528-156-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2528-254-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2528-166-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2528-177-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2880-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2880-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2880-149-0x0000000002710000-0x0000000002763000-memory.dmp

Filesize
332KB

Download
memory/2880-148-0x0000000002710000-0x0000000002763000-memory.dmp

Filesize
332KB

Download
memory/2880-147-0x0000000002710000-0x0000000002763000-memory.dmp

Filesize
332KB

Download
memory/2880-153-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2880-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2880-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2880-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2880-146-0x0000000002710000-0x0000000002763000-memory.dmp

Filesize
332KB

Download
memory/2880-238-0x0000000002710000-0x0000000002763000-memory.dmp

Filesize
332KB

Download
memory/2880-234-0x0000000002710000-0x0000000002763000-memory.dmp

Filesize
332KB

Download
memory/2880-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2880-243-0x0000000002710000-0x0000000002763000-memory.dmp

Filesize
332KB

Download
memory/2880-233-0x0000000002710000-0x0000000002763000-memory.dmp

Filesize
332KB

Download
memory/2880-257-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2880-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2880-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2880-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2880-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads