Analysis
- max time kernel
149s - max time network
144s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
09/05/2026, 03:56
General
- Target 2026-05-09_95c974fca8c602170dcaf63ae0d390e7_elex_rhadamanthys_stealc_stop_tofsee.exe
- Size 521KB
- Sample260509-ehel7aav31
- SHA256 274a01c844a20bd5ee7cc8bbedabd9393615cbe5adddc9600b398bc377a228b0
Malware Config
Signatures
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
- Executes dropped EXE 1 IoCs
- Drops desktop.ini file(s) 2 IoCs
- Drops file in Windows directory 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Enumerates system info in registry 2 TTPs 2 IoCs
- Modifies system certificate store 2 TTPs 5 IoCs
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-09_95c974fca8c602170dcaf63ae0d390e7_elex_rhadamanthys_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-09_95c974fca8c602170dcaf63ae0d390e7_elex_rhadamanthys_stealc_stop_tofsee.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\n1258\s1258.exe"C:\Users\Admin\AppData\Local\Temp\n1258\s1258.exe" ins.exe /e 12932238 /h eb4993.api.socdn.com /u ad0d8641-dff0-11e3-8a58-80c16e6f498c /t 53b784d5561ca338588b4cd3 /v "C:\Users\Admin\AppData\Local\Temp\2026-05-09_95c974fca8c602170dcaf63ae0d390e7_elex_rhadamanthys_stealc_stop_tofsee.exe"2⤵
- Executes dropped EXE
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3792 -s 6002⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3792 -ip 37921⤵
Network
MITRE ATT&CK Enterprise v16
Defense Evasion
Modify Registry
1Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
1Replay Monitor
Loading Replay Monitor...
Downloads
s1258.exe
memory/1856-42-0x000000001FF70000-0x000000001FFD2000-memory.dmp
memory/1856-37-0x000000001BAB0000-0x000000001BAB8000-memory.dmp
memory/1856-13-0x00007FFEF2170000-0x00007FFEF2B11000-memory.dmp
memory/1856-16-0x00007FFEF2170000-0x00007FFEF2B11000-memory.dmp
memory/1856-52-0x00007FFEF2170000-0x00007FFEF2B11000-memory.dmp
memory/1856-51-0x0000000001120000-0x000000000112C000-memory.dmp
memory/1856-36-0x000000001CF60000-0x000000001CFFC000-memory.dmp
memory/1856-23-0x00007FFEF2425000-0x00007FFEF2426000-memory.dmp
memory/1856-22-0x0000000001120000-0x000000000112C000-memory.dmp
memory/1856-32-0x000000001BA90000-0x000000001BA9A000-memory.dmp
memory/1856-12-0x00007FFEF2425000-0x00007FFEF2426000-memory.dmp
memory/1856-49-0x00007FFEF2170000-0x00007FFEF2B11000-memory.dmp
memory/1856-41-0x00007FFEF2170000-0x00007FFEF2B11000-memory.dmp
memory/1856-38-0x00007FFEF2170000-0x00007FFEF2B11000-memory.dmp
memory/1856-39-0x00007FFEF2170000-0x00007FFEF2B11000-memory.dmp
memory/1856-40-0x00007FFEF2170000-0x00007FFEF2B11000-memory.dmp
memory/1856-35-0x000000001C9F0000-0x000000001CEBE000-memory.dmp
memory/1856-48-0x00007FFEF2170000-0x00007FFEF2B11000-memory.dmp
memory/1856-46-0x00007FFEF2170000-0x00007FFEF2B11000-memory.dmp
memory/1856-47-0x0000000020AE0000-0x0000000020FF0000-memory.dmp
memory/3792-1-0x0000000000400000-0x0000000000487000-memory.dmp
memory/3792-20-0x0000000001EC0000-0x0000000001F7B000-memory.dmp
memory/3792-21-0x0000000001FA0000-0x0000000001FA6000-memory.dmp
memory/3792-19-0x0000000000400000-0x0000000000487000-memory.dmp