Analysis
- max time kernel
149s - max time network
136s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
28/04/2026, 01:26
General
- Target 2026-04-28_4ff6aca8a4712a6e624fbe53643af6dd_amadey_coinminer_elex_smoke-loader_stop.exe
- Size 560KB
- Sample260428-bthanscs3z
- SHA256 18367824cc8b9e2d95c4bd6abae5f813f8787da6bc97af6502eadbb4708364e4
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
- Modifies system certificate store 2 TTPs 2 IoCs
- Suspicious behavior: EnumeratesProcesses 14 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-28_4ff6aca8a4712a6e624fbe53643af6dd_amadey_coinminer_elex_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-28_4ff6aca8a4712a6e624fbe53643af6dd_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
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\Syswow64\cb3c2c85C:\Windows\Syswow64\cb3c2c851⤵
- 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
cb3c2c85
memory/3040-0-0x00000000004D0000-0x000000000055C000-memory.dmp
memory/3040-10-0x00000000004D0000-0x000000000055C000-memory.dmp
memory/3040-11-0x0000000001020000-0x0000000001027000-memory.dmp
memory/3040-36-0x0000000003220000-0x0000000003271000-memory.dmp
memory/3080-4-0x00000000002A0000-0x000000000032C000-memory.dmp
memory/3080-12-0x0000000000F80000-0x0000000000F87000-memory.dmp
memory/3080-13-0x00000000002A0000-0x000000000032C000-memory.dmp
memory/3080-29-0x00000000002A0000-0x000000000032C000-memory.dmp