Analysis
- max time kernel
149s - max time network
136s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
03/05/2026, 12:11
General
- Target 2026-05-03_ac59f7e4f746f838b8df278f6260d9ca_amadey_coinminer_elex_smoke-loader_stop.exe
- Size 560KB
- Sample260503-pc3ryagy4z
- SHA256 55633b01abe5f567387020edfb04a602dd22d2f9fc11602037b03c9ffda0b597
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\2026-05-03_ac59f7e4f746f838b8df278f6260d9ca_amadey_coinminer_elex_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-03_ac59f7e4f746f838b8df278f6260d9ca_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\1eb9bdf3C:\Windows\Syswow64\1eb9bdf31⤵
- 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
1eb9bdf3
memory/3264-0-0x0000000000600000-0x000000000068C000-memory.dmp
memory/3264-10-0x0000000000600000-0x000000000068C000-memory.dmp
memory/3520-3-0x0000000000820000-0x00000000008AC000-memory.dmp
memory/3520-11-0x0000000000820000-0x00000000008AC000-memory.dmp
memory/3520-16-0x0000000000820000-0x00000000008AC000-memory.dmp