Analysis
-
max time kernel
298s -
max time network
305s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
30-05-2024 20:05
Behavioral task
behavioral1
Sample
XClient.exe
Resource
win10v2004-20240508-en
General
-
Target
XClient.exe
-
Size
72KB
-
MD5
dab9e10b713779e5a811a1c89ae6252a
-
SHA1
fea8c8140c6b13fabdb258acb3a646c1a54e36be
-
SHA256
e712b1e3a9313d86fce1ca310401f88e8fcda3c2b65ff9633613018bac09012f
-
SHA512
ad6f6b0a0b1ce606964e1fa1ddd3ccef30fa2f90b1af3e57108b7a30aeb43aa02e64b407b519e1463597f4147f639eb1d09d4c0717127da8700d2998929b03fe
-
SSDEEP
1536:XdqJfIiYkjEj1xFhI6mX1EgjbDhcb6rOFw2Uy:SlYJBjXkNjbDXOFwHy
Malware Config
Extracted
xworm
isbn-employee.gl.at.ply.gg:4328
-
Install_directory
%AppData%
-
install_file
XClient.exe
Signatures
-
Detect Xworm Payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/2356-1-0x0000000000EE0000-0x0000000000EF8000-memory.dmp 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 1852 powershell.exe 2224 powershell.exe 1744 powershell.exe 5108 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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation XClient.exe -
Drops startup file 2 IoCs
Processes:
XClient.exedescription 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 -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
XClient.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe" XClient.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 24 ip-api.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious behavior: EnumeratesProcesses 9 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exeXClient.exepid process 1852 powershell.exe 1852 powershell.exe 2224 powershell.exe 2224 powershell.exe 1744 powershell.exe 1744 powershell.exe 5108 powershell.exe 5108 powershell.exe 2356 XClient.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
XClient.exepowershell.exepowershell.exepowershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 2356 XClient.exe Token: SeDebugPrivilege 1852 powershell.exe Token: SeDebugPrivilege 2224 powershell.exe Token: SeDebugPrivilege 1744 powershell.exe Token: SeDebugPrivilege 5108 powershell.exe Token: SeDebugPrivilege 2356 XClient.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
XClient.exepid process 2356 XClient.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
XClient.exedescription pid process target process PID 2356 wrote to memory of 1852 2356 XClient.exe powershell.exe PID 2356 wrote to memory of 1852 2356 XClient.exe powershell.exe PID 2356 wrote to memory of 2224 2356 XClient.exe powershell.exe PID 2356 wrote to memory of 2224 2356 XClient.exe powershell.exe PID 2356 wrote to memory of 1744 2356 XClient.exe powershell.exe PID 2356 wrote to memory of 1744 2356 XClient.exe powershell.exe PID 2356 wrote to memory of 5108 2356 XClient.exe powershell.exe PID 2356 wrote to memory of 5108 2356 XClient.exe powershell.exe
Processes
-
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:2356 -
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:1852
-
-
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:2224
-
-
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:1744
-
-
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:5108
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
-
Filesize
944B
MD5d28a889fd956d5cb3accfbaf1143eb6f
SHA1157ba54b365341f8ff06707d996b3635da8446f7
SHA25621e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45
SHA5120b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c
-
Filesize
944B
MD54c513fe7261cbb0fd7ec5d03873693d6
SHA1360d69bf9f5ba328d5f039f4802b2546ac346c4b
SHA2564dc40c8efd2b217c5552937c9fd2b7ac00bc30ac50a81526ab6655278c5a4dc9
SHA5128c0fbffdfc5003e06c7ae0b53052b3478fbd7e2e1b9028db12248383535d04dcfeb80069295e48c5e0ec60504f45610b7bd944b8852cada005a590660caa04d5
-
Filesize
944B
MD596e3b86880fedd5afc001d108732a3e5
SHA18fc17b39d744a9590a6d5897012da5e6757439a3
SHA256c3077e4cadb4ed246c02abe55aa6cf832fee4c2546b7addb7d22cd1c7c8c1294
SHA512909b1968f7204fa7029109b02232d8cc5438f6b4dc7c9044e4e47c59fcee538199b13029e36592b12ed573d48a308dd4822d2ced4129ab08d4111897e02be55d
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82