Analysis
- max time kernel
149s - max time network
144s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
04/05/2026, 16:53
General
- Target 2026-05-04_0dfc8f07186909eafaedd47e5bd42544_elex_mafia_stealc_tofsee.exe
- Size 457KB
- Sample260504-vd3ffsb12j
- SHA256 1cee9f63338d15dc5fa1c2843017ee2fbce29f726c1a20a402d5b16085e7ef12
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\2026-05-04_0dfc8f07186909eafaedd47e5bd42544_elex_mafia_stealc_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-04_0dfc8f07186909eafaedd47e5bd42544_elex_mafia_stealc_tofsee.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\F915.tmp"C:\Users\Admin\AppData\Local\Temp\F915.tmp" --helpC:\Users\Admin\AppData\Local\Temp\2026-05-04_0dfc8f07186909eafaedd47e5bd42544_elex_mafia_stealc_tofsee.exe BBCF53778DFBF95649E4ED32311F06819AB3FF0B271F847A7E4A8F3B3DBE6B9B2C99E908D5C37D050748E70997DF2A3298705911B032C34D4082B634B91344032⤵
- 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\2026-05-04_0dfc8f07186909eafaedd47e5bd42544_elex_mafia_stealc_tofsee.docx" /o ""3⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
-
-
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
2026-05-04_0dfc8f07186909eafaedd47e5bd42544_elex_mafia_stealc_tofsee.docx
F915.tmp
memory/2448-10-0x0000000000D90000-0x0000000001392000-memory.dmp
memory/4588-18-0x00007FF8DB470000-0x00007FF8DB480000-memory.dmp
memory/4588-17-0x00007FF91B3E0000-0x00007FF91B5E9000-memory.dmp
memory/4588-13-0x00007FF8DB470000-0x00007FF8DB480000-memory.dmp
memory/4588-12-0x00007FF8DB470000-0x00007FF8DB480000-memory.dmp
memory/4588-14-0x00007FF91B484000-0x00007FF91B485000-memory.dmp
memory/4588-27-0x000002323E3F0000-0x000002323E50E000-memory.dmp
memory/4588-19-0x00007FF91B3E0000-0x00007FF91B5E9000-memory.dmp
memory/4588-11-0x00007FF8DB470000-0x00007FF8DB480000-memory.dmp
memory/4588-16-0x00007FF91B3E0000-0x00007FF91B5E9000-memory.dmp
memory/4588-15-0x00007FF8DB470000-0x00007FF8DB480000-memory.dmp
memory/4588-20-0x00007FF8D8A40000-0x00007FF8D8A50000-memory.dmp
memory/4588-21-0x00007FF8D8A40000-0x00007FF8D8A50000-memory.dmp
memory/4588-26-0x00007FF91B3E0000-0x00007FF91B5E9000-memory.dmp
memory/4624-3-0x0000000001010000-0x0000000001612000-memory.dmp