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Analysis
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max time kernel
147s -
max time network
135s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
13/11/2024, 09:39
Static task
static1
Behavioral task
behavioral1
Sample
QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe
Resource
win10v2004-20241007-en
General
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Target
QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe
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Size
1.3MB
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MD5
5c44a72a49fe4fbc94f1c1aa8cbf0ab6
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SHA1
d0d0903f73b4aa11ee580fb6fd8d80775e6e88de
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SHA256
39fe045b17ab2fcdb512758a431845409c29ca9341090ac81878658423c39129
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SHA512
d92503e2ebbaa4e8728098cf6d0079de711a4f92663ad9db8583d848721818e4ecf3790a65253a0cd850c23eed8a46f98049a11f77b9f106344e501d124fbb97
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SSDEEP
24576:ctcKivRdWnSyEHyfE75BP/+mgWdm/bTLLK6:LKmXWSy6r2mgxv
Malware Config
Extracted
remcos
SLAVES
windowslavesclient.duckdns.org:1604
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audio_folder
MicRecords
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audio_path
ApplicationPath
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audio_record_time
5
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connect_delay
0
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connect_interval
1
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copy_file
remcos.exe
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copy_folder
Remcos
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delete_file
false
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hide_file
false
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hide_keylog_file
false
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install_flag
false
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keylog_crypt
false
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keylog_file
logs.dat
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keylog_flag
false
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keylog_folder
remcos
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mouse_option
false
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mutex
Rmc-J3MJAP
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
10
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take_screenshot_option
false
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take_screenshot_time
5
Signatures
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Remcos family
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Detected Nirsoft tools 3 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral2/memory/4448-44-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/4828-41-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/1912-40-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft -
NirSoft MailPassView 1 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/4828-41-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 1 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/1912-40-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView -
Executes dropped EXE 1 IoCs
pid Process 2608 Images.exe -
Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts AddInProcess32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Videoss = "C:\\Users\\Admin\\AppData\\Roaming\\Images.exe" reg.exe -
Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 2608 set thread context of 628 2608 Images.exe 104 PID 628 set thread context of 1912 628 AddInProcess32.exe 105 PID 628 set thread context of 4828 628 AddInProcess32.exe 106 PID 628 set thread context of 4448 628 AddInProcess32.exe 107 -
System Location Discovery: System Language Discovery 1 TTPs 12 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process 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 Images.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AddInProcess32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AddInProcess32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AddInProcess32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AddInProcess32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 5 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 4892 PING.EXE 1008 PING.EXE 2060 cmd.exe 5100 PING.EXE 3812 cmd.exe -
Runs ping.exe 1 TTPs 3 IoCs
pid Process 5100 PING.EXE 4892 PING.EXE 1008 PING.EXE -
Suspicious behavior: EnumeratesProcesses 35 IoCs
pid Process 1192 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 1192 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 1192 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 1192 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 1192 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 1192 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 1192 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 1192 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 1192 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 1192 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 1192 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 1192 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 1192 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 1192 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 1192 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 1192 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 1192 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 1192 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 1192 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 1192 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 1192 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 1192 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 1192 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 1192 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 1192 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 1192 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 2608 Images.exe 2608 Images.exe 2608 Images.exe 1912 AddInProcess32.exe 1912 AddInProcess32.exe 4448 AddInProcess32.exe 4448 AddInProcess32.exe 1912 AddInProcess32.exe 1912 AddInProcess32.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
pid Process 628 AddInProcess32.exe 628 AddInProcess32.exe 628 AddInProcess32.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1192 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe Token: SeDebugPrivilege 2608 Images.exe Token: SeDebugPrivilege 4448 AddInProcess32.exe -
Suspicious use of WriteProcessMemory 43 IoCs
description pid Process procid_target PID 1192 wrote to memory of 2060 1192 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 90 PID 1192 wrote to memory of 2060 1192 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 90 PID 1192 wrote to memory of 2060 1192 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 90 PID 2060 wrote to memory of 5100 2060 cmd.exe 92 PID 2060 wrote to memory of 5100 2060 cmd.exe 92 PID 2060 wrote to memory of 5100 2060 cmd.exe 92 PID 1192 wrote to memory of 3812 1192 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 96 PID 1192 wrote to memory of 3812 1192 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 96 PID 1192 wrote to memory of 3812 1192 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 96 PID 3812 wrote to memory of 4892 3812 cmd.exe 98 PID 3812 wrote to memory of 4892 3812 cmd.exe 98 PID 3812 wrote to memory of 4892 3812 cmd.exe 98 PID 2060 wrote to memory of 2148 2060 cmd.exe 99 PID 2060 wrote to memory of 2148 2060 cmd.exe 99 PID 2060 wrote to memory of 2148 2060 cmd.exe 99 PID 3812 wrote to memory of 1008 3812 cmd.exe 102 PID 3812 wrote to memory of 1008 3812 cmd.exe 102 PID 3812 wrote to memory of 1008 3812 cmd.exe 102 PID 3812 wrote to memory of 2608 3812 cmd.exe 103 PID 3812 wrote to memory of 2608 3812 cmd.exe 103 PID 3812 wrote to memory of 2608 3812 cmd.exe 103 PID 2608 wrote to memory of 628 2608 Images.exe 104 PID 2608 wrote to memory of 628 2608 Images.exe 104 PID 2608 wrote to memory of 628 2608 Images.exe 104 PID 2608 wrote to memory of 628 2608 Images.exe 104 PID 2608 wrote to memory of 628 2608 Images.exe 104 PID 2608 wrote to memory of 628 2608 Images.exe 104 PID 2608 wrote to memory of 628 2608 Images.exe 104 PID 2608 wrote to memory of 628 2608 Images.exe 104 PID 2608 wrote to memory of 628 2608 Images.exe 104 PID 2608 wrote to memory of 628 2608 Images.exe 104 PID 628 wrote to memory of 1912 628 AddInProcess32.exe 105 PID 628 wrote to memory of 1912 628 AddInProcess32.exe 105 PID 628 wrote to memory of 1912 628 AddInProcess32.exe 105 PID 628 wrote to memory of 1912 628 AddInProcess32.exe 105 PID 628 wrote to memory of 4828 628 AddInProcess32.exe 106 PID 628 wrote to memory of 4828 628 AddInProcess32.exe 106 PID 628 wrote to memory of 4828 628 AddInProcess32.exe 106 PID 628 wrote to memory of 4828 628 AddInProcess32.exe 106 PID 628 wrote to memory of 4448 628 AddInProcess32.exe 107 PID 628 wrote to memory of 4448 628 AddInProcess32.exe 107 PID 628 wrote to memory of 4448 628 AddInProcess32.exe 107 PID 628 wrote to memory of 4448 628 AddInProcess32.exe 107
Processes
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C:\Users\Admin\AppData\Local\Temp\QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe"C:\Users\Admin\AppData\Local\Temp\QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1192 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c ping 127.0.0.1 -n 19 > nul && REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "Videoss" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Images.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2060 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 193⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:5100
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C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "Videoss" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Images.exe"3⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:2148
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C:\Windows\SysWOW64\cmd.exe"cmd" /c ping 127.0.0.1 -n 24 > nul && copy "C:\Users\Admin\AppData\Local\Temp\QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe" "C:\Users\Admin\AppData\Roaming\Images.exe" && ping 127.0.0.1 -n 24 > nul && "C:\Users\Admin\AppData\Roaming\Images.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:3812 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 243⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:4892
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C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 243⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:1008
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C:\Users\Admin\AppData\Roaming\Images.exe"C:\Users\Admin\AppData\Roaming\Images.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2608 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"4⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:628 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe /stext "C:\Users\Admin\AppData\Local\Temp\vkzdxkbxxvjpjrcqpwexvhkdpaoob"5⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1912
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe /stext "C:\Users\Admin\AppData\Local\Temp\fmfnxdlrldbutxycygrqgmeuphgxcvsg"5⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:4828
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe /stext "C:\Users\Admin\AppData\Local\Temp\qgkgq"5⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4448
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
4KB
MD557509a6a6267f17bef5e5da8b1df8829
SHA10886741be12c4e6dd24688df7b9568e91b2fc2aa
SHA2564d50e4b2ee7b25d6a88dea6a28503975ca95f98e6e72fcd1ee754d016df3ed3d
SHA512019c20a2354ef20ff3870ea4d544ae4e7ec21729bfbeb19d2dd2f8b087fcb6b83f259ab2f35e0f3c7f044ebb7c5bbfdfc63f23b811d458a15f5ad35aa9175228
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Filesize
1.3MB
MD55c44a72a49fe4fbc94f1c1aa8cbf0ab6
SHA1d0d0903f73b4aa11ee580fb6fd8d80775e6e88de
SHA25639fe045b17ab2fcdb512758a431845409c29ca9341090ac81878658423c39129
SHA512d92503e2ebbaa4e8728098cf6d0079de711a4f92663ad9db8583d848721818e4ecf3790a65253a0cd850c23eed8a46f98049a11f77b9f106344e501d124fbb97