Analysis
- max time kernel
149s - max time network
155s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
03/05/2026, 17:08
General
- Target 2026-05-03_ac6a6a1280fb657e85035288898975fc_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
- Size 1022KB
- Sample260503-vnwewses2v
- SHA256 97c754d63e4338623608d7c5ee8c3e5918461c4f2de080a6a5f1f21e31c3227d
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\2026-05-03_ac6a6a1280fb657e85035288898975fc_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-03_ac6a6a1280fb657e85035288898975fc_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.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\2faf3e78C:\Windows\Syswow64\2faf3e781⤵
- 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
2faf3e78
memory/772-4-0x0000000000FA0000-0x000000000102C000-memory.dmp
memory/772-12-0x0000000000FA0000-0x000000000102C000-memory.dmp
memory/772-22-0x0000000000FA0000-0x000000000102C000-memory.dmp
memory/2656-0-0x00000000000A0000-0x000000000012C000-memory.dmp
memory/2656-10-0x00000000000A0000-0x000000000012C000-memory.dmp
memory/2656-11-0x0000000001030000-0x0000000001055000-memory.dmp