Analysis
- max time kernel
150s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
01/06/2024, 01:08
General
- Target e879f3a1cc7733303f6edebd710066dd418d78dbbc1a1393b50d4fc3d1d74b51.exe
- Size 494KB
- Sample240601-bg7pssda29
- SHA256 e879f3a1cc7733303f6edebd710066dd418d78dbbc1a1393b50d4fc3d1d74b51
Malware Config
Extracted
-
xworm
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104.250.180.178:7061
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Install_directory
%AppData%
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install_file
XClient.exe
Signatures
- Detect Xworm Payload 1 IoCs
- Xworm
Xworm is a remote access trojan written in C#.
- 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.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Drops startup file 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 9 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\e879f3a1cc7733303f6edebd710066dd418d78dbbc1a1393b50d4fc3d1d74b51.exe"C:\Users\Admin\AppData\Local\Temp\e879f3a1cc7733303f6edebd710066dd418d78dbbc1a1393b50d4fc3d1d74b51.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\e879f3a1cc7733303f6edebd710066dd418d78dbbc1a1393b50d4fc3d1d74b51.exe"C:\Users\Admin\AppData\Local\Temp\e879f3a1cc7733303f6edebd710066dd418d78dbbc1a1393b50d4fc3d1d74b51.exe"2⤵
- Checks computer location settings
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\e879f3a1cc7733303f6edebd710066dd418d78dbbc1a1393b50d4fc3d1d74b51.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'e879f3a1cc7733303f6edebd710066dd418d78dbbc1a1393b50d4fc3d1d74b51.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\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'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
e879f3a1cc7733303f6edebd710066dd418d78dbbc1a1393b50d4fc3d1d74b51.exe.log
powershell.exe.log
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
__PSScriptPolicyTest_zo4lsbt1.pd3.ps1
memory/1140-127-0x0000000074CE0000-0x0000000075490000-memory.dmp
memory/1140-128-0x0000000074CE0000-0x0000000075490000-memory.dmp
memory/1140-10-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1140-129-0x0000000074CE0000-0x0000000075490000-memory.dmp
memory/1140-13-0x0000000074CE0000-0x0000000075490000-memory.dmp
memory/1264-91-0x0000000070F50000-0x0000000070F9C000-memory.dmp
memory/1288-112-0x0000000070F50000-0x0000000070F9C000-memory.dmp
memory/3992-33-0x0000000005F50000-0x0000000005F9C000-memory.dmp
memory/3992-48-0x0000000007240000-0x000000000725A000-memory.dmp
memory/3992-16-0x0000000074CE0000-0x0000000075490000-memory.dmp
memory/3992-17-0x0000000004FF0000-0x0000000005618000-memory.dmp
memory/3992-18-0x0000000074CE0000-0x0000000075490000-memory.dmp
memory/3992-19-0x0000000004F30000-0x0000000004F52000-memory.dmp
memory/3992-20-0x0000000005720000-0x0000000005786000-memory.dmp
memory/3992-21-0x0000000005790000-0x00000000057F6000-memory.dmp
memory/3992-58-0x0000000074CE0000-0x0000000075490000-memory.dmp
memory/3992-31-0x00000000058D0000-0x0000000005C24000-memory.dmp
memory/3992-32-0x0000000005F10000-0x0000000005F2E000-memory.dmp
memory/3992-55-0x0000000007560000-0x0000000007568000-memory.dmp
memory/3992-34-0x00000000064F0000-0x0000000006522000-memory.dmp
memory/3992-35-0x0000000070F50000-0x0000000070F9C000-memory.dmp
memory/3992-45-0x00000000070F0000-0x000000000710E000-memory.dmp
memory/3992-46-0x0000000007110000-0x00000000071B3000-memory.dmp
memory/3992-47-0x0000000007890000-0x0000000007F0A000-memory.dmp
memory/3992-15-0x0000000004960000-0x0000000004996000-memory.dmp
memory/3992-49-0x00000000072B0000-0x00000000072BA000-memory.dmp
memory/3992-50-0x00000000074C0000-0x0000000007556000-memory.dmp
memory/3992-51-0x0000000007440000-0x0000000007451000-memory.dmp
memory/3992-52-0x0000000007470000-0x000000000747E000-memory.dmp
memory/3992-53-0x0000000007480000-0x0000000007494000-memory.dmp
memory/3992-54-0x0000000007580000-0x000000000759A000-memory.dmp
memory/4100-70-0x0000000070F50000-0x0000000070F9C000-memory.dmp
memory/5076-0-0x0000000074CEE000-0x0000000074CEF000-memory.dmp
memory/5076-14-0x0000000074CE0000-0x0000000075490000-memory.dmp
memory/5076-9-0x0000000006E10000-0x0000000006E66000-memory.dmp
memory/5076-8-0x0000000006BE0000-0x0000000006BF0000-memory.dmp
memory/5076-7-0x0000000008360000-0x0000000008378000-memory.dmp
memory/5076-5-0x0000000005C10000-0x0000000005CAC000-memory.dmp
memory/5076-6-0x0000000074CE0000-0x0000000075490000-memory.dmp
memory/5076-4-0x0000000005910000-0x000000000591A000-memory.dmp
memory/5076-3-0x0000000005980000-0x0000000005A12000-memory.dmp
memory/5076-2-0x0000000005F30000-0x00000000064D4000-memory.dmp
memory/5076-1-0x0000000000E90000-0x0000000000F12000-memory.dmp