Analysis
- max time kernel
149s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
26/04/2026, 01:04
General
- Target 2026-04-26_492900701cc7695ea57159a6048b1c1d_amadey_coinminer_elex_graphican_rhadamanthys_smoke-loader_stop.exe
- Size 548KB
- Sample260426-bfcs2adw4l
- SHA256 2f8c5650919e7530f31a55ab11abd73d06f278510e4d8f20c9a7b69bfc7b3dc1
Malware Config
Signatures
- UPX dump on OEP (original entry point) 8 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 8 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\2026-04-26_492900701cc7695ea57159a6048b1c1d_amadey_coinminer_elex_graphican_rhadamanthys_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-26_492900701cc7695ea57159a6048b1c1d_amadey_coinminer_elex_graphican_rhadamanthys_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\cd9f50a8C:\Windows\Syswow64\cd9f50a81⤵
- 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
cd9f50a8
memory/4144-4-0x0000000000F40000-0x0000000000FC9000-memory.dmp
memory/4144-12-0x0000000000F40000-0x0000000000FC9000-memory.dmp
memory/4144-13-0x0000000001E90000-0x0000000001EF4000-memory.dmp
memory/4144-26-0x0000000000F40000-0x0000000000FC9000-memory.dmp
memory/4832-0-0x00000000008B0000-0x0000000000939000-memory.dmp
memory/4832-10-0x00000000008B0000-0x0000000000939000-memory.dmp
memory/4832-24-0x00000000008B0000-0x0000000000939000-memory.dmp
memory/4832-25-0x0000000002A10000-0x0000000002A74000-memory.dmp
memory/4832-50-0x00000000008B0000-0x0000000000939000-memory.dmp