Analysis
- max time kernel
149s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
01/10/2026, 19:55
General
- Target iGzBjyko0XqIeoT.exe
- Size 1.2MB
- Sample261001-yndfvsstav
- SHA256 5c5372733bc791dd3fe7450bb49ae9fa1ac6e4d295740afeeb907e80985c3d6b
Malware Config
Extracted
-
xworm
-
5.0
-
Vanta5749345679-59960.portmap.host:59960
-
aB3kQ9xZmT7pLw2n
-
install_file
USB.exe
Signatures
- Family: Xworm
Xworm is a remote access trojan written in C#.
- Detect Xworm Payload 1 IoCs
- Executes dropped EXE 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- 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 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Delays execution with timeout.exe 1 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\iGzBjyko0XqIeoT.exe"C:\Users\Admin\AppData\Local\Temp\iGzBjyko0XqIeoT.exe"1⤵
- Suspicious use of SetThreadContext
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\iGzBjyko0XqIeoT.exe"C:\Users\Admin\AppData\Local\Temp\iGzBjyko0XqIeoT.exe"2⤵
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\cmd.exe"cmd" /c timeout /t 1 && DEL /f iGzBjyko0XqIeoT.exe2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\timeout.exetimeout /t 13⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
iGzBjyko0XqIeoT.exe
memory/3856-10-0x0000000074360000-0x0000000074B1C000-memory.dmp
memory/3856-1-0x0000000000B90000-0x0000000000CCA000-memory.dmp
memory/3856-2-0x0000000005920000-0x00000000059A6000-memory.dmp
memory/3856-3-0x0000000005B10000-0x0000000005B76000-memory.dmp
memory/3856-4-0x0000000074360000-0x0000000074B1C000-memory.dmp
memory/3856-5-0x0000000074372000-0x0000000074373000-memory.dmp
memory/3856-0-0x0000000074372000-0x0000000074373000-memory.dmp
memory/4604-6-0x0000000000400000-0x000000000040E000-memory.dmp
memory/4604-8-0x0000000004FE0000-0x000000000507C000-memory.dmp
memory/4604-9-0x0000000074360000-0x0000000074B1C000-memory.dmp
memory/4604-11-0x0000000074360000-0x0000000074B1C000-memory.dmp
memory/4604-12-0x0000000074360000-0x0000000074B1C000-memory.dmp
memory/4604-13-0x0000000074360000-0x0000000074B1C000-memory.dmp