Analysis
- max time kernel
149s - max time network
138s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
31/07/2026, 07:53
Static task
static1
Behavioral task
behavioral1
Sample
2026-07-31_00ebefa305c66d79cea7a90d2a644b65_elex_mafia_stealc_tofsee.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
2026-07-31_00ebefa305c66d79cea7a90d2a644b65_elex_mafia_stealc_tofsee.exe
Resource
win11ltsc2024-20260709-en
General
- Target 2026-07-31_00ebefa305c66d79cea7a90d2a644b65_elex_mafia_stealc_tofsee.exe
- Size 462KB
- Sample260731-jq64macp4v
- SHA256 3cf831c2ac9914609af43acc4d8b444b13960338aee91ee8500a633ecf751f0a
- MD5 00ebefa305c66d79cea7a90d2a644b65
- SHA1 df83cc835a2bd7dfe75cce39a40af6c784833d43
- SHA512 f67e2b94870f20a0ad0c36fdff5970aed8f9e87bbf84a3bc58a39c56e0a20845b75baa0f755b743a790b1b882c4dbdb8cb0e40c683475bedb3180e63f59b7233
- SSDEEP 6144:zRPu8zwNAZYCZrIik3tHV/R63kStW79/YXsVDA8M7KzYF+jJ+sH5f:zJrIik3rR66MOzC8v9
- TLSH T1E4A4E0257AC2C032E1A612754FE5CBB6257A7E256722A4C76B9037BD6FB03D1DA70303
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4652 3E38.tmp - 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 2026-07-31_00ebefa305c66d79cea7a90d2a644b65_elex_mafia_stealc_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3E38.tmp - Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE - Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE - Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3989226554-2204910950-1522900112-1000_Classes\Local Settings 3E38.tmp - Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 3216 WINWORD.EXE 3216 WINWORD.EXE - Suspicious behavior: RenamesItself 1 IoCs
pid Process 4652 3E38.tmp - Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 3216 WINWORD.EXE 3216 WINWORD.EXE 3216 WINWORD.EXE 3216 WINWORD.EXE 3216 WINWORD.EXE - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3672 wrote to memory of 4652 3672 2026-07-31_00ebefa305c66d79cea7a90d2a644b65_elex_mafia_stealc_tofsee.exe 89 PID 4652 wrote to memory of 3216 4652 3E38.tmp 90 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
- Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
- Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-31_00ebefa305c66d79cea7a90d2a644b65_elex_mafia_stealc_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-31_00ebefa305c66d79cea7a90d2a644b65_elex_mafia_stealc_tofsee.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3672 -
C:\Users\Admin\AppData\Local\Temp\3E38.tmp"C:\Users\Admin\AppData\Local\Temp\3E38.tmp" --helpC:\Users\Admin\AppData\Local\Temp\2026-07-31_00ebefa305c66d79cea7a90d2a644b65_elex_mafia_stealc_tofsee.exe 6A388CD08D08574F2DB574440C2D689E48734452CC3A83EE5C2095ED1E21822510CBD97B0256F1BB781BC0BD439243811E33FEF6EDB0A3FDF0BC1D63C58DDF302⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:4652 -
C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\2026-07-31_00ebefa305c66d79cea7a90d2a644b65_elex_mafia_stealc_tofsee.docx" /o ""3⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3216
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-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\2026-07-31_00ebefa305c66d79cea7a90d2a644b65_elex_mafia_stealc_tofsee.docx
- Size 21KB
- SHA256 c97189b50e5e92be09966d4732b6d61a2e435b2935d60c09989e555ae442e7a1
- MD5 7079891932a64f097abafd233055a1e9
- SHA1 246d95feafe67689d49a5a4cadba18d3ac1914e5
- SHA512 6e9ee6427d7cc2474dc634b088cf3f35d06dfb734d2b63fbbc794f4083b4b5754379daff4804bf5024b1b430aa5e50fa6d839d3473ceeed3043d373c85e9862a
- SSDEEP 192:77LS5X71R5GIz5rLDeYg2o8zdl8kvZUGRKI/LpIuOBugbWaECZ3ls4:PLA1e85fzgpEX8kx7Tp+Bugb1ECzs
- TLSH T1D9A23A31AE2CBD9DE0767F7499BB57E1777BAF5E5C05C81A2C41330910B09480A686FB
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\3E38.tmp
- Size 462KB
- SHA256 49ef6c51c27b58131359d364ed301f12a236c3b70fa4badc1c35ed1ea0404784
- MD5 f42904ae744bcd1ffb57eb118dd2bec2
- SHA1 c0bd232d3338e62af56200a399b37b41dc0dea8c
- SHA512 6d9b2fc3943ed0ef2165545d3fbcf0692ca41bdf0dd51f38455629803d2ebf2a01c6e3aeb5253c5c16903d7db4c9a62f67d21a39f699cdec09c66a7494af9a0b
- SSDEEP 6144:zRPu8zwNAZYCZrIik3tH6vb/XhLHmKTG6laWFvFW2EsH5f:zJrIik3QD/XNm3KayN9
- TLSH T113A4E02176C6C032E2A612710BE5CB75693EBE36572298C36B8437BD6EB13C19B75307
- MD5 SHA1 SHA512 SSDEEP TLSH