Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
04/05/2026, 02:12
General
- Target 2026-05-04_ffec81556c251bb4bdb39b2f80ef864a_amadey_coinminer_elex_smoke-loader_stop.exe
- Size 640KB
- Sample260504-cm1dcabt5x
- SHA256 caf9caf41072f2b3d8071ac4d4a531a3b7fe3635a2c82842ab8e703ecdc7c599
Malware Config
Signatures
- Custom signatureUPX 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 15 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\2026-05-04_ffec81556c251bb4bdb39b2f80ef864a_amadey_coinminer_elex_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-04_ffec81556c251bb4bdb39b2f80ef864a_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\458c5bfcC:\Windows\Syswow64\458c5bfc1⤵
- 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
458c5bfc
memory/4524-28-0x0000000002B20000-0x0000000002C1A000-memory.dmp
memory/4524-32-0x0000000000C10000-0x0000000000C9C000-memory.dmp
memory/4524-31-0x0000000002B20000-0x0000000002C1A000-memory.dmp
memory/4524-15-0x0000000000C10000-0x0000000000C9C000-memory.dmp
memory/4524-14-0x0000000002B20000-0x0000000002C1A000-memory.dmp
memory/4524-19-0x0000000002B20000-0x0000000002C1A000-memory.dmp
memory/4524-4-0x0000000000C10000-0x0000000000C9C000-memory.dmp
memory/4524-22-0x0000000002B20000-0x0000000002C1A000-memory.dmp
memory/4920-29-0x0000000003730000-0x000000000382A000-memory.dmp
memory/4920-13-0x0000000000370000-0x00000000003FC000-memory.dmp
memory/4920-0-0x0000000000370000-0x00000000003FC000-memory.dmp
memory/4920-39-0x0000000003730000-0x000000000382A000-memory.dmp
memory/4920-42-0x0000000003730000-0x000000000382A000-memory.dmp
memory/4920-44-0x0000000003730000-0x000000000382A000-memory.dmp
memory/4920-46-0x0000000003730000-0x000000000382A000-memory.dmp