Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
05/05/2026, 03:45
General
- Target 2026-05-05_076888dd4bd0e28078b7078bb1f5661e_amadey_coinminer_elex_remcos_smoke-loader.exe
- Size 618KB
- Sample260505-ea2rraby5n
- SHA256 408de936efec333fcc928d66259b36d6dabbb200dd24614058c806ed7afd9520
Malware Config
Signatures
- UPX dump on OEP (original entry point) 9 IoCs
- Executes dropped EXE 1 IoCs
- Unexpected DNS network traffic destination 6 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 9 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_076888dd4bd0e28078b7078bb1f5661e_amadey_coinminer_elex_remcos_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-05_076888dd4bd0e28078b7078bb1f5661e_amadey_coinminer_elex_remcos_smoke-loader.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\4fbb6100C:\Windows\Syswow64\4fbb61001⤵
- 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
4fbb6100
memory/1032-0-0x00000000004C0000-0x0000000000549000-memory.dmp
memory/1032-10-0x00000000004C0000-0x0000000000549000-memory.dmp
memory/1032-27-0x00000000004C0000-0x0000000000549000-memory.dmp
memory/1032-29-0x00000000004C0000-0x0000000000549000-memory.dmp
memory/1032-43-0x00000000004C0000-0x0000000000549000-memory.dmp
memory/3592-3-0x0000000000460000-0x00000000004E9000-memory.dmp
memory/3592-12-0x0000000000460000-0x00000000004E9000-memory.dmp
memory/3592-28-0x0000000000460000-0x00000000004E9000-memory.dmp