Analysis
- max time kernel
566s - max time network
542s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
08/06/2024, 17:01
General
- Target XClient.exe
- Size 69KB
- Sample240608-vjshfade71
- SHA256 ab1524dd1797e3ca240b19261f3b6c96e22c9aae55652433f7586bd8a650396d
Malware Config
Extracted
-
xworm
-
AmirAmir8565-56372.portmap.io:56372
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AmirAmir8565-56372.portmap.io:56372:56372
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127.0.0.1:56372
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install_file
USB.exe
Signatures
- Detect Xworm Payload 1 IoCs
- Xworm
Xworm is a remote access trojan written in C#.
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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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\Local\Temp\XClient.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
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
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_uh0r24s4.p1e.ps1
memory/2368-6-0x0000015F1F590000-0x0000015F1F5B2000-memory.dmp
memory/2368-4-0x00007FF9D6760000-0x00007FF9D7221000-memory.dmp
memory/2368-5-0x00007FF9D6760000-0x00007FF9D7221000-memory.dmp
memory/2368-3-0x00007FF9D6760000-0x00007FF9D7221000-memory.dmp
memory/2368-18-0x0000015F1F5C0000-0x0000015F1F7DC000-memory.dmp
memory/2368-19-0x00007FF9D6760000-0x00007FF9D7221000-memory.dmp
memory/3404-0-0x00007FF9D6763000-0x00007FF9D6765000-memory.dmp
memory/3404-2-0x00007FF9D6760000-0x00007FF9D7221000-memory.dmp
memory/3404-1-0x0000000000110000-0x0000000000128000-memory.dmp
memory/3404-32-0x00007FF9D6763000-0x00007FF9D6765000-memory.dmp
memory/3404-33-0x00007FF9D6760000-0x00007FF9D7221000-memory.dmp