Analysis
- max time kernel
148s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
15/09/2026, 20:06
General
- Target 2026-09-15_110d657293a7889b1ca8b11da76f62f5_elex_ramnit_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
- Size 546KB
- Sample260915-yvs5wszyg1
- SHA256 f5aba15c2dc22d95c61fb582d0347c658e05f678f5041c41ce9705275eed4631
Malware Config
Signatures
- Family: Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
- Family: Stealc
Stealc is an infostealer written in C++.
- Detects Stealc stealer Version 3 1 IoCs
- UPX dump on OEP (original entry point) 2 IoCs
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 1 IoCs
- UPX packed file 1 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Program crash 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Runs .reg file with regedit 1 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-15_110d657293a7889b1ca8b11da76f62f5_elex_ramnit_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-15_110d657293a7889b1ca8b11da76f62f5_elex_ramnit_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\2026-09-15_110d657293a7889b1ca8b11da76f62f5_elex_ramnit_rhadamanthys_smoke-loader_stealc_stop_tofseemgr.exeC:\Users\Admin\AppData\Local\Temp\2026-09-15_110d657293a7889b1ca8b11da76f62f5_elex_ramnit_rhadamanthys_smoke-loader_stealc_stop_tofseemgr.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3488 -s 5403⤵
- Program crash
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-
-
C:\Windows\SysWOW64\regedit.exeC:\Windows\regedit.exe /s "C:\Users\Admin\AppData\Local\Temp\config.reg"2⤵
- System Location Discovery: System Language Discovery
- Runs .reg file with regedit
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3488 -ip 34881⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
2026-09-15_110d657293a7889b1ca8b11da76f62f5_elex_ramnit_rhadamanthys_smoke-loader_stealc_stop_tofseemgr.exe
~TM23DA.tmp
memory/2604-0-0x00000000008E0000-0x000000000096F000-memory.dmp
memory/2604-12-0x00000000008E0000-0x000000000096F000-memory.dmp
memory/3488-5-0x0000000000400000-0x000000000045C000-memory.dmp
memory/3488-7-0x0000000002080000-0x00000000020DC000-memory.dmp
memory/3488-9-0x0000000077038000-0x0000000077039000-memory.dmp
memory/3488-11-0x0000000000400000-0x000000000045C000-memory.dmp