Analysis
- max time kernel
149s - max time network
153s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
06/05/2026, 12:43
General
- Target 2026-05-06_1befe8833375f1b90178b3b97dfb4ef6_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
- Size 560KB
- Sample260506-pyb64sa19x
- SHA256 107db49a03f3c076ba1aaf28a8b1b5f4aab960f0f3be53570d61b40d7445d3f6
Score
9/10
Malware Config
Signatures
- UPX 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\2026-05-06_1befe8833375f1b90178b3b97dfb4ef6_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-06_1befe8833375f1b90178b3b97dfb4ef6_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\fc6182b2C:\Windows\Syswow64\fc6182b21⤵
- 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
fc6182b2
memory/4660-0-0x00000000008C0000-0x000000000094C000-memory.dmp
memory/4660-10-0x00000000008C0000-0x000000000094C000-memory.dmp
memory/4660-27-0x0000000002D10000-0x0000000002DD1000-memory.dmp
memory/5008-3-0x00000000000B0000-0x000000000013C000-memory.dmp
memory/5008-12-0x00000000000B0000-0x000000000013C000-memory.dmp
memory/5008-11-0x0000000001B60000-0x0000000001C21000-memory.dmp
memory/5008-34-0x00000000000B0000-0x000000000013C000-memory.dmp