Analysis
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max time kernel
1548s -
max time network
1798s -
platform
windows11-21h2_x64 -
resource
win11-20241007-en -
resource tags
arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system -
submitted
10-11-2024 01:38
General
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Target
XClient.exe
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Size
43KB
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MD5
7e71f66eb4bd975fa6894f7be63d9de7
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SHA1
a0b6a69adffde7a5209498ce1656f0d406da9204
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SHA256
89055b8db329f28180bdd72d02227f175a46b79b470c5131e932d235104ab6e1
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SHA512
5a776de6708ffa802700febe9a6a1cd95cd907f8d435c7ea28644c3c31565e373223b8db05ca142cb5bdc0d13745fba03099edbfc2fe7f9095232a997cdf6bf1
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SSDEEP
768:vSniTSIuNNk3MO56kjBbvSevz5zbbTf8EmZPcBH6clOQhAGb:oiT9n6k5zbHf8PZP8H6OOQC8
Malware Config
Extracted
xworm
3.1
147.185.221.23:53631
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Install_directory
%AppData%
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install_file
USB.exe
Signatures
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Contains code to disable Windows Defender 1 IoCs
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
resource yara_rule behavioral1/memory/2000-57-0x000000001ADA0000-0x000000001ADAC000-memory.dmp disable_win_def -
Detect Xworm Payload 2 IoCs
resource yara_rule behavioral1/memory/2000-1-0x0000000000120000-0x0000000000132000-memory.dmp family_xworm behavioral1/files/0x002000000002ab7c-49.dat family_xworm -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "5" XClient.exe -
Xworm family
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Command and Scripting Interpreter: PowerShell 1 TTPs 9 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 3652 powershell.exe 3352 powershell.exe 2200 powershell.exe 3396 powershell.exe 1156 powershell.exe 4784 powershell.exe 2740 powershell.exe 4804 powershell.exe 820 powershell.exe -
Drops startup file 4 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk XClient.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk XClient.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk XClient.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk XClient.exe -
Executes dropped EXE 8 IoCs
pid Process 1504 XClient.exe 2412 XClient.exe 2932 XClient.exe 2588 XClient.exe 3112 XClient.exe 4588 XClient.exe 4768 XClient.exe 1984 XClient.exe -
Adds Run key to start application 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2584844841-1405471295-1760131749-1000\Software\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe" XClient.exe Set value (str) \REGISTRY\USER\S-1-5-21-2584844841-1405471295-1760131749-1000\Software\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe" XClient.exe Set value (str) \REGISTRY\USER\S-1-5-21-2584844841-1405471295-1760131749-1000\Software\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe" XClient.exe -
Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\D: XClient.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Kills process with taskkill 1 IoCs
pid Process 2160 taskkill.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4584 schtasks.exe 3368 schtasks.exe 4708 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 1156 powershell.exe 1156 powershell.exe 3652 powershell.exe 3652 powershell.exe 3352 powershell.exe 3352 powershell.exe 2200 powershell.exe 2200 powershell.exe 4784 powershell.exe 4784 powershell.exe 3396 powershell.exe 3396 powershell.exe 2740 powershell.exe 2740 powershell.exe 4804 powershell.exe 4804 powershell.exe 820 powershell.exe 820 powershell.exe -
Suspicious use of AdjustPrivilegeToken 21 IoCs
description pid Process Token: SeDebugPrivilege 2000 XClient.exe Token: SeDebugPrivilege 1156 powershell.exe Token: SeDebugPrivilege 3652 powershell.exe Token: SeDebugPrivilege 3352 powershell.exe Token: SeDebugPrivilege 1504 XClient.exe Token: 33 900 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 900 AUDIODG.EXE Token: SeDebugPrivilege 2412 XClient.exe Token: SeDebugPrivilege 2160 taskkill.exe Token: SeDebugPrivilege 2932 XClient.exe Token: SeDebugPrivilege 2588 XClient.exe Token: SeDebugPrivilege 3112 XClient.exe Token: SeDebugPrivilege 4588 XClient.exe Token: SeDebugPrivilege 4768 XClient.exe Token: SeDebugPrivilege 2200 powershell.exe Token: SeDebugPrivilege 4784 powershell.exe Token: SeDebugPrivilege 3396 powershell.exe Token: SeDebugPrivilege 1984 XClient.exe Token: SeDebugPrivilege 2740 powershell.exe Token: SeDebugPrivilege 4804 powershell.exe Token: SeDebugPrivilege 820 powershell.exe -
Suspicious use of FindShellTrayWindow 8 IoCs
pid Process 2000 XClient.exe 2000 XClient.exe 2000 XClient.exe 2000 XClient.exe 2000 XClient.exe 2000 XClient.exe 2000 XClient.exe 2000 XClient.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 2000 wrote to memory of 1156 2000 XClient.exe 80 PID 2000 wrote to memory of 1156 2000 XClient.exe 80 PID 2000 wrote to memory of 3652 2000 XClient.exe 82 PID 2000 wrote to memory of 3652 2000 XClient.exe 82 PID 2000 wrote to memory of 3352 2000 XClient.exe 84 PID 2000 wrote to memory of 3352 2000 XClient.exe 84 PID 2000 wrote to memory of 4584 2000 XClient.exe 86 PID 2000 wrote to memory of 4584 2000 XClient.exe 86 PID 2000 wrote to memory of 2160 2000 XClient.exe 93 PID 2000 wrote to memory of 2160 2000 XClient.exe 93 PID 4768 wrote to memory of 2200 4768 XClient.exe 101 PID 4768 wrote to memory of 2200 4768 XClient.exe 101 PID 4768 wrote to memory of 4784 4768 XClient.exe 103 PID 4768 wrote to memory of 4784 4768 XClient.exe 103 PID 4768 wrote to memory of 3396 4768 XClient.exe 105 PID 4768 wrote to memory of 3396 4768 XClient.exe 105 PID 4768 wrote to memory of 3368 4768 XClient.exe 107 PID 4768 wrote to memory of 3368 4768 XClient.exe 107 PID 1984 wrote to memory of 2740 1984 XClient.exe 111 PID 1984 wrote to memory of 2740 1984 XClient.exe 111 PID 1984 wrote to memory of 4804 1984 XClient.exe 113 PID 1984 wrote to memory of 4804 1984 XClient.exe 113 PID 1984 wrote to memory of 820 1984 XClient.exe 115 PID 1984 wrote to memory of 820 1984 XClient.exe 115 PID 1984 wrote to memory of 4708 1984 XClient.exe 117 PID 1984 wrote to memory of 4708 1984 XClient.exe 117 -
System policy modification 1 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\software\microsoft\windows\currentversion\policies\system XClient.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "5" XClient.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\XClient.exe"C:\Users\Admin\AppData\Local\Temp\XClient.exe"1⤵
- UAC bypass
- Drops startup file
- Adds Run key to start application
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2000 -
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'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1156
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3652
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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\XClient.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3352
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XClient" /tr "C:\Users\Admin\AppData\Roaming\XClient.exe"2⤵
- Scheduled Task/Job: Scheduled Task
PID:4584
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C:\Windows\SYSTEM32\taskkill.exetaskkill /F /IM explorer.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2160
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C:\Users\Admin\AppData\Roaming\XClient.exeC:\Users\Admin\AppData\Roaming\XClient.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1504
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x00000000000004D4 0x00000000000004E81⤵
- Suspicious use of AdjustPrivilegeToken
PID:900
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DisplayEnhancementService1⤵PID:4884
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C:\Users\Admin\AppData\Roaming\XClient.exeC:\Users\Admin\AppData\Roaming\XClient.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2412
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C:\Users\Admin\AppData\Roaming\XClient.exeC:\Users\Admin\AppData\Roaming\XClient.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2932
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C:\Users\Admin\AppData\Roaming\XClient.exeC:\Users\Admin\AppData\Roaming\XClient.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2588
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C:\Users\Admin\AppData\Roaming\XClient.exeC:\Users\Admin\AppData\Roaming\XClient.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3112
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C:\Users\Admin\AppData\Roaming\XClient.exeC:\Users\Admin\AppData\Roaming\XClient.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4588
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C:\Users\Admin\AppData\Roaming\XClient.exeC:\Users\Admin\AppData\Roaming\XClient.exe1⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4768 -
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\XClient.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2200
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4784
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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\XClient.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3396
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XClient" /tr "C:\Users\Admin\AppData\Roaming\XClient.exe"2⤵
- Scheduled Task/Job: Scheduled Task
PID:3368
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C:\Users\Admin\AppData\Roaming\XClient.exeC:\Users\Admin\AppData\Roaming\XClient.exe1⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1984 -
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\XClient.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2740
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4804
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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\XClient.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:820
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XClient" /tr "C:\Users\Admin\AppData\Roaming\XClient.exe"2⤵
- Scheduled Task/Job: Scheduled Task
PID:4708
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
3Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
654B
MD52cbbb74b7da1f720b48ed31085cbd5b8
SHA179caa9a3ea8abe1b9c4326c3633da64a5f724964
SHA256e31b18f21621d9983bfdf1ea3e53884a9d58b8ffd79e0e5790da6f3a81a8b9d3
SHA512ecf02d5240e0c1c005d3ab393aa7eff62bd498c2db5905157e2bf6d29e1b663228a9583950842629d1a4caef404c8941a0c7799b1a3bd1eb890a09fdb7efcff9
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Filesize
2KB
MD5627073ee3ca9676911bee35548eff2b8
SHA14c4b68c65e2cab9864b51167d710aa29ebdcff2e
SHA25685b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c
SHA5123c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb
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Filesize
944B
MD5cef328ddb1ee8916e7a658919323edd8
SHA1a676234d426917535e174f85eabe4ef8b88256a5
SHA256a1b5b7ada8ebc910f20f91ada3991d3321104e9da598c958b1edac9f9aca0e90
SHA512747400c20ca5b5fd1b54bc24e75e6a78f15af61df263be932d2ee7b2f34731c2de8ce03b2706954fb098c1ac36f0b761cf37e418738fa91f2a8ea78572f545cb
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Filesize
944B
MD5aa6b748cd8f3e3c0e41549529b919e21
SHA15a4b9721f9fb5042f6ef7afd698d5ac5216a88bb
SHA256d7d665a42f940443efb28eb231dfe1c4062394e71fba145d6eea9ec075b0f0e8
SHA512361c523f49428a7e430279099e669a1a8af8764653f42e83105c0da3f8e8dd3be6c1719ea8c158d8f2e8425d74457147a4683190eb4a67019b9d02be44c13534
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Filesize
944B
MD5cb9070f7a07a5d3fc17121852bff6953
SHA11932f99c2039a98cf0d65bca0f882dde0686fc11
SHA2566c908b4ca5b098e166b48a0e821050db43fba7299a6553be2303bee5b89545ac
SHA51297b9fc5ce40b102e2c9334500f6c17625c982ff8e4afaaabd92c2468cd8deface01d7cdfd267c4f10aac123b7a6173fde85d2b531c6f134a3896a8ca5edfe1f8
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Filesize
944B
MD50b59f3fa12628f63b5713c4833570d7f
SHA1badcf18f1fdc94b1eadf63f27c09ad092c4a6ccb
SHA2562332e52881483559d787508831c00192c4f0a4fedc232b0309e566a30247af1d
SHA51201724fd9f7a20ec5ff3d2686593d5d95069135834e9b156ced36985067fb36e7b3ec2a0018e41fa125ad5d1e42c80be9e148632a9b655f2d41c1400a4320abe7
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Filesize
944B
MD564497dba662bee5d7ae7a3c76a72ed88
SHA1edc027042b9983f13d074ba9eed8b78e55e4152e
SHA256ca69ebbd2c9c185f0647fb2122d7a26e7d23af06a1950fb25ac327d869687b47
SHA51225da69ec86ba0df6c7da60f722cc2919c59c91f2bb03137e0e87771936e5271522d48eef98030a0da41f7a707d82221d35fb016f8bb9a294e87be114adbe3522
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Filesize
944B
MD52e8eb51096d6f6781456fef7df731d97
SHA1ec2aaf851a618fb43c3d040a13a71997c25bda43
SHA25696bfd9dd5883329927fe8c08b8956355a1a6ceb30ceeb5d4252b346df32bc864
SHA5120a73dc9a49f92d9dd556c2ca2e36761890b3538f355ee1f013e7cf648d8c4d065f28046cd4a167db3dea304d1fbcbcea68d11ce6e12a3f20f8b6c018a60422d2
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Filesize
944B
MD5a4be454dcbec32af10161f739ec237fc
SHA144d5b3b34f92818563efeb37dc75442273cc2bf3
SHA2564436e1add60e37baccc40f44b93b8ee2baf4261b5e3e45a834ba350ec9658f15
SHA512a925de5c086cb81b50136d78dc7aea45f8205b57ae8b6219f3d00016b33ebec7e85d7630baf0c09ec2ed29a87c68f0cdefcfd21eb7e99a5679dc632cb725fc4f
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
771B
MD58760f472d96c2fc163b52dc5cb6dc918
SHA1e73a7deac591b92fefc155999879322293fb5eeb
SHA256bd38ac218eb8aa0092c9ad801072a9350d965f64abb60bcf4b6779e2f772322d
SHA512a4e690bc3b1830265f00e4db07ad8c1c2c3088bf3e5d7d8ce61461bffc48cd9ab05685cd4924ee931d68335da9cba8ec8d8ba7f8c482762368da55a018cc1d8b
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Filesize
43KB
MD57e71f66eb4bd975fa6894f7be63d9de7
SHA1a0b6a69adffde7a5209498ce1656f0d406da9204
SHA25689055b8db329f28180bdd72d02227f175a46b79b470c5131e932d235104ab6e1
SHA5125a776de6708ffa802700febe9a6a1cd95cd907f8d435c7ea28644c3c31565e373223b8db05ca142cb5bdc0d13745fba03099edbfc2fe7f9095232a997cdf6bf1