Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
22/04/2026, 08:29
General
- Target 2026-04-22_77b1c0eae9c283fa41ed90c2c76417f5_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
- Size 1024KB
- Sample260422-kdmpwsfv2w
- SHA256 2a19b666db8383d0a9c28990a9e5a4d00304426eee2b7c3256fa5c6b00b122b3
Malware Config
Signatures
- Custom signatureDetection of CryptoLocker Variants 1 IoCs
- Custom signatureDetection of Cryptolocker Samples 1 IoCs
- 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 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\2026-04-22_77b1c0eae9c283fa41ed90c2c76417f5_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-22_77b1c0eae9c283fa41ed90c2c76417f5_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\67784270C:\Windows\Syswow64\677842701⤵
- 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
67784270
memory/1120-22-0x0000000003A80000-0x0000000003B7E000-memory.dmp
memory/1120-10-0x0000000000170000-0x00000000001FC000-memory.dmp
memory/1120-21-0x0000000003A80000-0x0000000003B7E000-memory.dmp
memory/1120-0-0x0000000000170000-0x00000000001FC000-memory.dmp
memory/1120-27-0x0000000003A80000-0x0000000003B7E000-memory.dmp
memory/1120-28-0x0000000003A80000-0x0000000003B7E000-memory.dmp
memory/1120-32-0x0000000003A80000-0x0000000003B7E000-memory.dmp
memory/1120-34-0x0000000003A80000-0x0000000003B7E000-memory.dmp
memory/1120-36-0x0000000003A80000-0x0000000003B7E000-memory.dmp
memory/1824-4-0x0000000000CE0000-0x0000000000D6C000-memory.dmp
memory/1824-11-0x0000000000CE0000-0x0000000000D6C000-memory.dmp
memory/1824-24-0x0000000000CE0000-0x0000000000D6C000-memory.dmp