Analysis
- max time kernel
149s - max time network
145s - platform
windows11-21h2_x64 - resource
win11-20250502-en - resource tags
- submitted
09/05/2026, 18:51
General
- Target 2026-05-09_c03056384e232ba5c0d0a8dc8e384851_elex_mafia_stealc_tofsee.exe
- Size 486KB
- Sample260509-xhydeact2z
- SHA256 240d81c758fe775a00108477de083061c59badf0f324ccfc9287d8ba00aede77
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
- 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.
- Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 3 IoCs
- Modifies registry class 1 IoCs
- Suspicious behavior: AddClipboardFormatListener 2 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of SetWindowsHookEx 5 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
- 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\2026-05-09_c03056384e232ba5c0d0a8dc8e384851_elex_mafia_stealc_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-09_c03056384e232ba5c0d0a8dc8e384851_elex_mafia_stealc_tofsee.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\3B8C.tmp"C:\Users\Admin\AppData\Local\Temp\3B8C.tmp" --helpC:\Users\Admin\AppData\Local\Temp\2026-05-09_c03056384e232ba5c0d0a8dc8e384851_elex_mafia_stealc_tofsee.exe 5FDC7BF32B23C1E82BED4099B00B35089E0F64C26C1514CF817D75517C819B2BCF4A61F3A88945D328128083247DE6A909DB2B0CDE1B1203610E0232929DAB5F2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
-
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\2026-05-09_c03056384e232ba5c0d0a8dc8e384851_elex_mafia_stealc_tofsee.docx" /o ""3⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
-
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
2026-05-09_c03056384e232ba5c0d0a8dc8e384851_elex_mafia_stealc_tofsee.docx
3B8C.tmp
memory/4628-15-0x00007FF99A860000-0x00007FF99AA69000-memory.dmp
memory/4628-16-0x00007FF99A860000-0x00007FF99AA69000-memory.dmp
memory/4628-13-0x00007FF99A904000-0x00007FF99A905000-memory.dmp
memory/4628-10-0x00007FF95A8F0000-0x00007FF95A900000-memory.dmp
memory/4628-14-0x00007FF95A8F0000-0x00007FF95A900000-memory.dmp
memory/4628-12-0x00007FF95A8F0000-0x00007FF95A900000-memory.dmp
memory/4628-9-0x00007FF95A8F0000-0x00007FF95A900000-memory.dmp
memory/4628-11-0x00007FF95A8F0000-0x00007FF95A900000-memory.dmp
memory/4628-18-0x00007FF958240000-0x00007FF958250000-memory.dmp
memory/4628-17-0x00007FF99A860000-0x00007FF99AA69000-memory.dmp
memory/4628-19-0x00007FF99A860000-0x00007FF99AA69000-memory.dmp
memory/4628-21-0x00007FF958240000-0x00007FF958250000-memory.dmp
memory/4628-20-0x00007FF99A860000-0x00007FF99AA69000-memory.dmp
memory/4628-22-0x00007FF99A860000-0x00007FF99AA69000-memory.dmp
memory/4628-39-0x00007FF99A860000-0x00007FF99AA69000-memory.dmp
memory/4628-40-0x0000022E124B0000-0x0000022E1255F000-memory.dmp