Malware Analysis Report

2024-09-11 14:48

Sample ID 240611-e3l7rsvdnq
Target XClient.exe
SHA256 14fc945249c10349174b83ae6330d19a8621f2a65ba69a54b2b923bf96933c3e
Tags
xworm execution persistence rat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

14fc945249c10349174b83ae6330d19a8621f2a65ba69a54b2b923bf96933c3e

Threat Level: Known bad

The file XClient.exe was found to be: Known bad.

Malicious Activity Summary

xworm execution persistence rat trojan

Detect Xworm Payload

Xworm

Xworm family

Command and Scripting Interpreter: PowerShell

Checks computer location settings

Drops startup file

Executes dropped EXE

Adds Run key to start application

Looks up external IP address via web service

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Uses Task Scheduler COM API

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-11 04:27

Signatures

Detect Xworm Payload

Description Indicator Process Target
N/A N/A N/A N/A

Xworm family

xworm

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-11 04:27

Reported

2024-06-11 04:31

Platform

win7-20240419-en

Max time kernel

170s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\XClient.exe"

Signatures

Detect Xworm Payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Xworm

trojan rat xworm

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk C:\Users\Admin\AppData\Local\Temp\XClient.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk C:\Users\Admin\AppData\Local\Temp\XClient.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe" C:\Users\Admin\AppData\Local\Temp\XClient.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\System32\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2248 wrote to memory of 2612 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2248 wrote to memory of 2612 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2248 wrote to memory of 2612 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2248 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2248 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2248 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2248 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2248 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2248 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2248 wrote to memory of 2452 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2248 wrote to memory of 2452 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2248 wrote to memory of 2452 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2248 wrote to memory of 2552 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\schtasks.exe
PID 2248 wrote to memory of 2552 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\schtasks.exe
PID 2248 wrote to memory of 2552 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\schtasks.exe
PID 1712 wrote to memory of 836 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\svchost.exe
PID 1712 wrote to memory of 836 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\svchost.exe
PID 1712 wrote to memory of 836 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\svchost.exe
PID 1712 wrote to memory of 3004 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\svchost.exe
PID 1712 wrote to memory of 3004 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\svchost.exe
PID 1712 wrote to memory of 3004 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\svchost.exe
PID 1712 wrote to memory of 2740 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\svchost.exe
PID 1712 wrote to memory of 2740 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\svchost.exe
PID 1712 wrote to memory of 2740 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\svchost.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\XClient.exe

"C:\Users\Admin\AppData\Local\Temp\XClient.exe"

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\XClient.exe'

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\svchost.exe'

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'

C:\Windows\System32\schtasks.exe

"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Admin\AppData\Roaming\svchost.exe"

C:\Windows\system32\taskeng.exe

taskeng.exe {04ACA79D-FE7E-4F9A-9ECF-6C5E8C55D929} S-1-5-21-481678230-3773327859-3495911762-1000:UIBNQNMA\Admin:Interactive:[1]

C:\Users\Admin\AppData\Roaming\svchost.exe

C:\Users\Admin\AppData\Roaming\svchost.exe

C:\Users\Admin\AppData\Roaming\svchost.exe

C:\Users\Admin\AppData\Roaming\svchost.exe

C:\Windows\explorer.exe

"C:\Windows\explorer.exe"

C:\Users\Admin\AppData\Roaming\svchost.exe

C:\Users\Admin\AppData\Roaming\svchost.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 ip-api.com udp
US 8.8.8.8:53 association-bowl.gl.at.ply.gg udp

Files

memory/2248-0-0x000007FEF55F3000-0x000007FEF55F4000-memory.dmp

memory/2248-1-0x0000000000220000-0x0000000000238000-memory.dmp

memory/2248-2-0x000007FEF55F0000-0x000007FEF5FDC000-memory.dmp

memory/2248-7-0x000007FEF55F3000-0x000007FEF55F4000-memory.dmp

memory/2612-8-0x0000000002930000-0x00000000029B0000-memory.dmp

memory/2612-9-0x000000001B470000-0x000000001B752000-memory.dmp

memory/2612-10-0x0000000002790000-0x0000000002798000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

MD5 fb3113fa9fbc08af31a631036ecfe800
SHA1 43857514c73a8051a723b19ab33d4b7db3fce220
SHA256 c260c685505aad06cdf15acfeb73e6dd9a70066e4b99cb8b758ff64595d91faf
SHA512 cb06c853a181214a64fdd36d77c5a7a7e8f50471e9c5d7617b8861583f98ce371b4dd3ddb2619daea5251cdbfb20a031e697f6edb2b4e37003a43a6834afddfd

memory/2828-16-0x000000001B780000-0x000000001BA62000-memory.dmp

memory/2828-17-0x0000000002000000-0x0000000002008000-memory.dmp

memory/2248-32-0x000007FEF55F0000-0x000007FEF5FDC000-memory.dmp

C:\Users\Admin\AppData\Roaming\svchost.exe

MD5 98f79018890d5b65e153e9d3082b024b
SHA1 2fa9e5abbc16d656d4dafa036af9a29e83fe9304
SHA256 14fc945249c10349174b83ae6330d19a8621f2a65ba69a54b2b923bf96933c3e
SHA512 d3599c1f5b09d26328469a0011dd61fbb9560fd851a1e47ab14cc5bc20ab28012f60eda0cce07be6ad1e22d8ff3012221ddf9c64f0a08dc52683744852e456cf

memory/836-36-0x0000000000990000-0x00000000009A8000-memory.dmp

memory/2740-41-0x0000000001310000-0x0000000001328000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-11 04:27

Reported

2024-06-11 04:30

Platform

win10v2004-20240426-en

Max time kernel

148s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\XClient.exe"

Signatures

Detect Xworm Payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Xworm

trojan rat xworm

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\XClient.exe N/A

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk C:\Users\Admin\AppData\Local\Temp\XClient.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk C:\Users\Admin\AppData\Local\Temp\XClient.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe" C:\Users\Admin\AppData\Local\Temp\XClient.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\System32\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\XClient.exe

"C:\Users\Admin\AppData\Local\Temp\XClient.exe"

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\XClient.exe'

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\svchost.exe'

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'

C:\Windows\System32\schtasks.exe

"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Admin\AppData\Roaming\svchost.exe"

C:\Users\Admin\AppData\Roaming\svchost.exe

C:\Users\Admin\AppData\Roaming\svchost.exe

C:\Users\Admin\AppData\Roaming\svchost.exe

C:\Users\Admin\AppData\Roaming\svchost.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 1.112.95.208.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 association-bowl.gl.at.ply.gg udp
US 147.185.221.16:32006 association-bowl.gl.at.ply.gg tcp
US 8.8.8.8:53 16.221.185.147.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 27.178.89.13.in-addr.arpa udp

Files

memory/2756-0-0x00007FFED2853000-0x00007FFED2855000-memory.dmp

memory/2756-1-0x0000000000E60000-0x0000000000E78000-memory.dmp

memory/2756-2-0x00007FFED2850000-0x00007FFED3311000-memory.dmp

memory/3988-3-0x00007FFED2850000-0x00007FFED3311000-memory.dmp

memory/3988-4-0x00007FFED2850000-0x00007FFED3311000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gmddpyv5.nac.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/3988-5-0x00007FFED2850000-0x00007FFED3311000-memory.dmp

memory/3988-11-0x000001581BDA0000-0x000001581BDC2000-memory.dmp

memory/3988-18-0x00007FFED2850000-0x00007FFED3311000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

MD5 d85ba6ff808d9e5444a4b369f5bc2730
SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

MD5 6d3e9c29fe44e90aae6ed30ccf799ca8
SHA1 c7974ef72264bbdf13a2793ccf1aed11bc565dce
SHA256 2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d
SHA512 60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

MD5 481c1608c2bec426ca209e8800611abd
SHA1 5df5a08760b0e5c56cb9daf768894435354d2651
SHA256 44e538c7570e175634f9929d350a79203730fcb753638f611a1dd4780ec430ed
SHA512 5a87762225beffbd34048fd0d617a75eff25ca6dfe47c258cdfad8c841f8b0b4144ae8c7ef04ee5de36987cb6ae0953499d5fa27b2100483a8042ee5e27d190c

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

MD5 06ac741759229a7560289a6696924995
SHA1 e1808432385699095a0761c601437ebe3e0ec256
SHA256 d1d2ad030d1a8aee9d8147ea16c8753c946155300339c6e63803a5f7419f9e3d
SHA512 3f97e1649f3241a64f6cc0e80e9d605c36b5ab658f766066a9326b93db3703710e2bb9e2dd1398bd45a7a854533fed4475d9a61f52d9f092fcb9307853599e85

memory/2756-57-0x00007FFED2853000-0x00007FFED2855000-memory.dmp

memory/2756-58-0x00007FFED2850000-0x00007FFED3311000-memory.dmp

C:\Users\Admin\AppData\Roaming\svchost.exe

MD5 98f79018890d5b65e153e9d3082b024b
SHA1 2fa9e5abbc16d656d4dafa036af9a29e83fe9304
SHA256 14fc945249c10349174b83ae6330d19a8621f2a65ba69a54b2b923bf96933c3e
SHA512 d3599c1f5b09d26328469a0011dd61fbb9560fd851a1e47ab14cc5bc20ab28012f60eda0cce07be6ad1e22d8ff3012221ddf9c64f0a08dc52683744852e456cf

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\svchost.exe.log

MD5 2ff39f6c7249774be85fd60a8f9a245e
SHA1 684ff36b31aedc1e587c8496c02722c6698c1c4e
SHA256 e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
SHA512 1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1