Analysis
- max time kernel
148s - max time network
113s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
15/09/2026, 17:55
General
- Target 2026-09-15_5c84b77658110c91562429b71741dcda_elex_ramnit_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
- Size 546KB
- Sample260915-whreesws2j
- SHA256 72d2ab5b1de26a165a5e7743cb178f12c12a702f997daf9da34a4d0fce238fa5
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) 3 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_5c84b77658110c91562429b71741dcda_elex_ramnit_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-15_5c84b77658110c91562429b71741dcda_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_5c84b77658110c91562429b71741dcda_elex_ramnit_rhadamanthys_smoke-loader_stealc_stop_tofseemgr.exeC:\Users\Admin\AppData\Local\Temp\2026-09-15_5c84b77658110c91562429b71741dcda_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 4860 -s 5483⤵
- 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
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4860 -ip 48601⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
2026-09-15_5c84b77658110c91562429b71741dcda_elex_ramnit_rhadamanthys_smoke-loader_stealc_stop_tofseemgr.exe
~TMA241.tmp
memory/4120-0-0x0000000000DF0000-0x0000000000E7F000-memory.dmp
memory/4120-12-0x0000000000DF0000-0x0000000000E7F000-memory.dmp
memory/4860-6-0x0000000000400000-0x000000000045C000-memory.dmp
memory/4860-9-0x00000000773C8000-0x00000000773C9000-memory.dmp
memory/4860-7-0x00000000021E0000-0x000000000223C000-memory.dmp
memory/4860-10-0x0000000000400000-0x000000000045C000-memory.dmp
memory/4860-11-0x00000000021E0000-0x000000000223C000-memory.dmp