Analysis
- max time kernel
149s - max time network
145s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
17/04/2026, 04:11
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-04-17_93a6542cb3d191a443cf3e177b3bd8b3_elex_mafia_rhadamanthys_stealc_stop_tofsee.exe
Resource
win10v2004-20260130-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-04-17_93a6542cb3d191a443cf3e177b3bd8b3_elex_mafia_rhadamanthys_stealc_stop_tofsee.exe
Resource
win11-20260130-en
5 signatures
150 seconds
General
- Target 2026-04-17_93a6542cb3d191a443cf3e177b3bd8b3_elex_mafia_rhadamanthys_stealc_stop_tofsee.exe
- Size 200KB
- Sample260417-esae8ae13l
- SHA256 1d14dfc6c4be94535598c9334e661b5a510a187553908b300c160c140e93d9d1
- MD5 93a6542cb3d191a443cf3e177b3bd8b3
- SHA1 f6c041bbc9b87538eca785f534190d8c04fd007c
- SHA512 a1eb87e3c6618802dbbe0acaf3cdc1979209291800ef3313fb20bc6d8048f4846a4412350c1b71d0c8979e36b65e0cd15c064f8ebf2c5202807cee27d953bb9b
- SSDEEP 3072:mW0005KJpBpPrEU2JOMRnlNi3MGQ6JsIo1+XDiJcp8:mW0MBpIn0MPI32WsR18GKp8
- TLSH T160147C353281C033D96715748EE8C77A5ABEB83207A554CBB7E40B799F643E28B3534A
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
3/10
Malware Config
Signatures
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-04-17_93a6542cb3d191a443cf3e177b3bd8b3_elex_mafia_rhadamanthys_stealc_stop_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language NOTEPAD.EXE - Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3847269522-1618051987-1942096715-1000_Classes\Local Settings 2026-04-17_93a6542cb3d191a443cf3e177b3bd8b3_elex_mafia_rhadamanthys_stealc_stop_tofsee.exe - Opens file in notepad (likely ransom note) 1 IoCs
pid Process 4488 NOTEPAD.EXE - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3824 wrote to memory of 4488 3824 2026-04-17_93a6542cb3d191a443cf3e177b3bd8b3_elex_mafia_rhadamanthys_stealc_stop_tofsee.exe 81
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-17_93a6542cb3d191a443cf3e177b3bd8b3_elex_mafia_rhadamanthys_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-17_93a6542cb3d191a443cf3e177b3bd8b3_elex_mafia_rhadamanthys_stealc_stop_tofsee.exe"1⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3824 -
C:\Windows\SysWOW64\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\HWID.txt2⤵
- System Location Discovery: System Language Discovery
- Opens file in notepad (likely ransom note)
PID:4488
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\HWID.txt
- Size 271B
- SHA256 1631bb2828e23e78630f7a36bee467fcd98fafa05a01e7ecdadba4f2f4bfc8dc
- MD5 dd266f662830303328cf8339684faa44
- SHA1 6a7da92398ebe292eee7585aed6e346ca8191109
- SHA512 2f58c3489e4b66582e1949b879baee928ed0ac489dfd7505766d41e5cbc4439f56fb4b31ee93a03faab835c27a211be240244282f059ce351519ba7366825572
- TLSH T1FCD02B0C3551BC460A1A06C783E202F5F10C43748D8B991C8D0423497825D19BA6F6D6
- MD5 SHA1 SHA512 TLSH