Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
05/05/2026, 02:20
General
- Target 2026-05-05_6f0e16146f050ba68337fc7ea0bbc3ad_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
- Size 560KB
- Sample260505-csswfsay9p
- SHA256 07ce910ece9b755b898e6c07a05f5146b357471ce9228955905778fa6d568b6e
Score
9/10
Malware Config
Signatures
- Custom signatureUPX dump on OEP (original entry point) 6 IoCs
- Executes dropped EXE 1 IoCs
- Unexpected DNS network traffic destination 4 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
- Drops file in System32 directory 5 IoCs
- UPX packed file 6 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Windows directory 2 IoCs
- 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.
- Modifies data under HKEY_USERS 8 IoCs
- Suspicious behavior: EnumeratesProcesses 14 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-05_6f0e16146f050ba68337fc7ea0bbc3ad_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-05_6f0e16146f050ba68337fc7ea0bbc3ad_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\Syswow64\703009ffC:\Windows\Syswow64\703009ff1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
703009ff
memory/4232-0-0x00000000008F0000-0x000000000097C000-memory.dmp
memory/4232-10-0x00000000008F0000-0x000000000097C000-memory.dmp
memory/4232-19-0x0000000002960000-0x00000000029E2000-memory.dmp
memory/4944-4-0x0000000000AC0000-0x0000000000B4C000-memory.dmp
memory/4944-11-0x0000000001F70000-0x0000000001FF2000-memory.dmp
memory/4944-12-0x0000000000AC0000-0x0000000000B4C000-memory.dmp
memory/4944-26-0x0000000000AC0000-0x0000000000B4C000-memory.dmp