Analysis
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max time kernel
149s -
max time network
269s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
31-05-2024 10:25
Behavioral task
behavioral1
Sample
XClient.exe
Resource
win10v2004-20240426-en
General
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Target
XClient.exe
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Size
135KB
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MD5
74c570464f7611c8dd21f4500ceffab8
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SHA1
6b296cac9892a42ee2b037649b43eddd28cd3d74
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SHA256
5ae9a8a9c013cbfda9cf9dc110260eb7d1159f046b139f6c81efdeb50829a59e
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SHA512
3cef469d0400c983e464ebc8063f8bca88cd912c42a7501613efef07cb9e6ac112a3b39e6f5baee4558e6a2a354b855dd7999dadd12a584895ba340d4a7bb572
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SSDEEP
3072:MzWQnq3HXuZ+bEMENOI4Kmsc+trXni52F47927ogw5aQ:hmcNbDETrNtrXni2rw
Malware Config
Extracted
xworm
127.0.0.1:4328
20.ip.gl.ply.gg:4328
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Install_directory
%AppData%
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install_file
XClient.exe
Signatures
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Detect Xworm Payload 2 IoCs
Processes:
resource yara_rule behavioral1/memory/3256-1-0x0000000000100000-0x0000000000128000-memory.dmp family_xworm C:\Users\Admin\AppData\Roaming\XClient.exe family_xworm -
Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepid process 2008 powershell.exe 2652 powershell.exe 1088 powershell.exe 4104 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
XClient.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation XClient.exe -
Drops startup file 2 IoCs
Processes:
XClient.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk XClient.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk XClient.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
XClient.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe" XClient.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
taskmgr.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000 taskmgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A taskmgr.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName taskmgr.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
taskmgr.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 taskmgr.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString taskmgr.exe -
Suspicious behavior: EnumeratesProcesses 37 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exeXClient.exetaskmgr.exepid process 2652 powershell.exe 2652 powershell.exe 1088 powershell.exe 1088 powershell.exe 4104 powershell.exe 4104 powershell.exe 2008 powershell.exe 2008 powershell.exe 3256 XClient.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe -
Suspicious use of AdjustPrivilegeToken 11 IoCs
Processes:
XClient.exepowershell.exepowershell.exepowershell.exepowershell.exetaskmgr.exedescription pid process Token: SeDebugPrivilege 3256 XClient.exe Token: SeDebugPrivilege 2652 powershell.exe Token: SeDebugPrivilege 1088 powershell.exe Token: SeDebugPrivilege 4104 powershell.exe Token: SeDebugPrivilege 2008 powershell.exe Token: SeDebugPrivilege 3256 XClient.exe Token: SeDebugPrivilege 4384 taskmgr.exe Token: SeSystemProfilePrivilege 4384 taskmgr.exe Token: SeCreateGlobalPrivilege 4384 taskmgr.exe Token: 33 4384 taskmgr.exe Token: SeIncBasePriorityPrivilege 4384 taskmgr.exe -
Suspicious use of FindShellTrayWindow 53 IoCs
Processes:
taskmgr.exepid process 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe -
Suspicious use of SendNotifyMessage 53 IoCs
Processes:
taskmgr.exepid process 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe 4384 taskmgr.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
XClient.exepid process 3256 XClient.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
XClient.exedescription pid process target process PID 3256 wrote to memory of 2652 3256 XClient.exe powershell.exe PID 3256 wrote to memory of 2652 3256 XClient.exe powershell.exe PID 3256 wrote to memory of 1088 3256 XClient.exe powershell.exe PID 3256 wrote to memory of 1088 3256 XClient.exe powershell.exe PID 3256 wrote to memory of 4104 3256 XClient.exe powershell.exe PID 3256 wrote to memory of 4104 3256 XClient.exe powershell.exe PID 3256 wrote to memory of 2008 3256 XClient.exe powershell.exe PID 3256 wrote to memory of 2008 3256 XClient.exe powershell.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\XClient.exe"C:\Users\Admin\AppData\Local\Temp\XClient.exe"1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3256 -
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:2652
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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:1088
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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:4104
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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:2008
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C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /41⤵
- Checks SCSI registry key(s)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4384
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
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Filesize
944B
MD577d622bb1a5b250869a3238b9bc1402b
SHA1d47f4003c2554b9dfc4c16f22460b331886b191b
SHA256f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb
SHA512d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9
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Filesize
944B
MD5d8cb3e9459807e35f02130fad3f9860d
SHA15af7f32cb8a30e850892b15e9164030a041f4bd6
SHA2562b139c74072ccbdaa17b950f32a6dbc934dfb7af9973d97c9b0d9c498012ba68
SHA512045239ba31367fbdd59e883f74eafc05724e23bd6e8f0c1e7171ea2496a497eb9e0cfcb57285bb81c4d569daadba43d6ef64c626ca48f1e2a59e8d97f0cc9184
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Filesize
944B
MD5ba169f4dcbbf147fe78ef0061a95e83b
SHA192a571a6eef49fff666e0f62a3545bcd1cdcda67
SHA2565ef1421e19fde4bc03cd825dd7d6c0e7863f85fd8f0aa4a4d4f8d555dc7606d1
SHA5128d2e5e552210dcda684682538bc964fdd8a8ff5b24cc2cc8af813729f0202191f98eb42d38d2355df17ae620fe401aad6ceaedaed3b112fdacd32485a3a0c07c
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
771B
MD50b5bbc474cda0f53507678962881fb31
SHA13f73d6c96e674e288a4b03563162dbc1ff53cb7e
SHA256ed3ff47cd7d85987b8cc53a200032aaa3f0674c7789f371a39285404d664d9cf
SHA5127e2c82558c68a3f7974e73b39ce81a2b4fe4d442761b0c8ea0ad0326f600b581397d9a89d21777e874fb0798d4c3c3e0264f5a09488f8a6e3fc5dcf6e16a4faf
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Filesize
135KB
MD574c570464f7611c8dd21f4500ceffab8
SHA16b296cac9892a42ee2b037649b43eddd28cd3d74
SHA2565ae9a8a9c013cbfda9cf9dc110260eb7d1159f046b139f6c81efdeb50829a59e
SHA5123cef469d0400c983e464ebc8063f8bca88cd912c42a7501613efef07cb9e6ac112a3b39e6f5baee4558e6a2a354b855dd7999dadd12a584895ba340d4a7bb572