Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
11/05/2026, 00:03
General
- Target 2026-05-10_7757b906e17d6c947a1ddf780aafdefd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
- Size 1.7MB
- Sample260511-acgr5sgv31
- SHA256 cae6b6226222ecb58e214b75dbf7cfa7de4941207577b464b00762af1e71d220
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 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 14 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-10_7757b906e17d6c947a1ddf780aafdefd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-10_7757b906e17d6c947a1ddf780aafdefd_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\b3406cdeC:\Windows\Syswow64\b3406cde1⤵
- 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
b3406cde
memory/1740-0-0x0000000000880000-0x000000000090C000-memory.dmp
memory/1740-16-0x0000000000880000-0x000000000090C000-memory.dmp
memory/1740-17-0x00000000015F0000-0x0000000001653000-memory.dmp
memory/1740-28-0x00000000015F0000-0x0000000001653000-memory.dmp
memory/1740-32-0x00000000015F0000-0x0000000001653000-memory.dmp
memory/4108-4-0x0000000000FD0000-0x000000000105C000-memory.dmp
memory/4108-18-0x0000000000D60000-0x0000000000DC3000-memory.dmp
memory/4108-19-0x0000000000FD0000-0x000000000105C000-memory.dmp
memory/4108-35-0x0000000000FD0000-0x000000000105C000-memory.dmp