Analysis
- max time kernel
149s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
22/04/2026, 04:33
General
- Target 2026-04-22_fc2124d581a410a9eb83580d0f0f5f61_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
- Size 830KB
- Sample260422-e6jwtag14j
- SHA256 8e9e9224d5cfa9204b3fc608dd20784c4fceb3bbd3be4638c042c3143f2199e9
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 13 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 18 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-22_fc2124d581a410a9eb83580d0f0f5f61_amadey_coinminer_elex_remcos_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-22_fc2124d581a410a9eb83580d0f0f5f61_amadey_coinminer_elex_remcos_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\4bf11580C:\Windows\Syswow64\4bf115801⤵
- 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
4bf11580
memory/3392-0-0x0000000000EB0000-0x0000000000F3C000-memory.dmp
memory/3392-12-0x0000000000EB0000-0x0000000000F3C000-memory.dmp
memory/3392-13-0x0000000001040000-0x00000000010A3000-memory.dmp
memory/3392-24-0x0000000001040000-0x00000000010A3000-memory.dmp
memory/3392-49-0x0000000001040000-0x00000000010A3000-memory.dmp
memory/4760-4-0x00000000004B0000-0x000000000053C000-memory.dmp
memory/4760-14-0x0000000000540000-0x00000000005A3000-memory.dmp
memory/4760-15-0x00000000004B0000-0x000000000053C000-memory.dmp
memory/4760-19-0x0000000000540000-0x00000000005A3000-memory.dmp
memory/4760-36-0x0000000000540000-0x00000000005A3000-memory.dmp
memory/4760-38-0x00000000004B0000-0x000000000053C000-memory.dmp