Analysis
- max time kernel
149s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
09/05/2026, 00:58
General
- Target 2026-05-09_725852353ecb4e4fac9e5bb4e551ab9c_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.exe
- Size 832KB
- Sample260509-bbp8kagy4x
- SHA256 eb15eb1ac3362b0f41a391afd7761668c590143ef94df9497568aaffda64f04f
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
- Detection of Cryptolocker Samples 1 IoCs
- 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 8 IoCs
- Suspicious behavior: EnumeratesProcesses 14 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-09_725852353ecb4e4fac9e5bb4e551ab9c_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-09_725852353ecb4e4fac9e5bb4e551ab9c_amadey_coinminer_cryptolocker_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\303c7b9cC:\Windows\Syswow64\303c7b9c1⤵
- 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
303c7b9c
memory/2488-0-0x0000000000150000-0x00000000001DC000-memory.dmp
memory/2488-10-0x0000000000150000-0x00000000001DC000-memory.dmp
memory/2488-16-0x0000000003940000-0x0000000003991000-memory.dmp
memory/5944-3-0x00000000001B0000-0x000000000023C000-memory.dmp
memory/5944-11-0x00000000001B0000-0x000000000023C000-memory.dmp
memory/5944-17-0x00000000001B0000-0x000000000023C000-memory.dmp