Analysis
- max time kernel
148s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
- submitted
03/07/2026, 01:33
General
- Target 2026-07-02_48363d7c415163db300dd588ceceecd6_amadey_coinminer_elex_smoke-loader_stop.exe
- Size 560KB
- Sample260703-byzerahy31
- SHA256 cf8270a52f9d1734437c24e0398fd17a0c1a35c2a8d103b5087c9b6b0d840deb
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 9 IoCs
- Suspicious behavior: EnumeratesProcesses 14 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-02_48363d7c415163db300dd588ceceecd6_amadey_coinminer_elex_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-02_48363d7c415163db300dd588ceceecd6_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\c8a270fcC:\Windows\Syswow64\c8a270fc1⤵
- 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
c8a270fc
memory/2876-3-0x00000000007F0000-0x000000000087C000-memory.dmp
memory/2876-11-0x00000000007F0000-0x000000000087C000-memory.dmp
memory/2876-18-0x00000000007F0000-0x000000000087C000-memory.dmp
memory/5592-0-0x0000000000C30000-0x0000000000CBC000-memory.dmp
memory/5592-10-0x0000000000C30000-0x0000000000CBC000-memory.dmp