Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
02/05/2026, 12:12
General
- Target 2026-05-02_12614fee74db1827232bfc00a8bfd0f2_amadey_coinminer_elex_smoke-loader_stop.exe
- Size 640KB
- Sample260502-pc8cesey21
- SHA256 973f6ba5a347438aff8a1cf674a75cebab7462010f2cc09bbcdc1aa46edc2e7e
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\2026-05-02_12614fee74db1827232bfc00a8bfd0f2_amadey_coinminer_elex_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-02_12614fee74db1827232bfc00a8bfd0f2_amadey_coinminer_elex_smoke-loader_stop.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\b7da0146C:\Windows\Syswow64\b7da01461⤵
- 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
b7da0146
memory/3156-3-0x0000000000620000-0x00000000006AC000-memory.dmp
memory/3156-11-0x00000000021B0000-0x000000000224C000-memory.dmp
memory/3156-12-0x0000000000620000-0x00000000006AC000-memory.dmp
memory/3156-28-0x0000000000620000-0x00000000006AC000-memory.dmp
memory/5064-0-0x0000000000120000-0x00000000001AC000-memory.dmp
memory/5064-10-0x0000000000120000-0x00000000001AC000-memory.dmp
memory/5064-19-0x0000000003A20000-0x0000000003ABC000-memory.dmp