Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
20/08/2026, 04:23
Behavioral task
behavioral1
Sample
2026-08-20_0fc8a4b98c9e1d1d682413cade38473f_amadey_coinminer_elex_smoke-loader_stop.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2026-08-20_0fc8a4b98c9e1d1d682413cade38473f_amadey_coinminer_elex_smoke-loader_stop.exe
- Size 560KB
- Sample260820-e1bm9abd37
- SHA256 21cda0b1d46aa6cc2716124ca22a90b13cb07bf5137d89b34943a8ad343a95ec
- MD5 0fc8a4b98c9e1d1d682413cade38473f
- SHA1 cb09af7d07e491f1bd095880407aa91d28aa954d
- SHA512 db57aefe42dea6084efbd7a3256c9e6e7e168e2101bb7257054f240aeac44ab0918322716f58ce46251013e31cc390e4f38119fb84db3c62b6f0df9c445df020
- SSDEEP 6144:v4ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:vrNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T14FC48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral1/memory/4680-0-0x0000000000C30000-0x0000000000CBC000-memory.dmp UPX behavioral1/files/0x00100000000217bd-2.dat UPX behavioral1/memory/3264-4-0x0000000000170000-0x00000000001FC000-memory.dmp UPX behavioral1/memory/4680-12-0x0000000000C30000-0x0000000000CBC000-memory.dmp UPX behavioral1/memory/3264-13-0x0000000000170000-0x00000000001FC000-memory.dmp UPX behavioral1/memory/3264-30-0x0000000000170000-0x00000000001FC000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 3264 21f79a0 - Unexpected DNS network traffic destination 4 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 6 223.5.5.5 4680 2026-08-20_0fc8a4b98c9e1d1d682413cade38473f_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 33 114.114.114.114 4680 2026-08-20_0fc8a4b98c9e1d1d682413cade38473f_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 34 223.5.5.5 4680 2026-08-20_0fc8a4b98c9e1d1d682413cade38473f_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 5 114.114.114.114 4680 2026-08-20_0fc8a4b98c9e1d1d682413cade38473f_amadey_coinminer_elex_smoke-loader_stop.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 21f79a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 21f79a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 21f79a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 21f79a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 21f79a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 21f79a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 21f79a0 File created C:\Windows\SysWOW64\21f79a0 2026-08-20_0fc8a4b98c9e1d1d682413cade38473f_amadey_coinminer_elex_smoke-loader_stop.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 21f79a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 21f79a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 21f79a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 21f79a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 21f79a0 -
resource yara_rule behavioral1/memory/4680-0-0x0000000000C30000-0x0000000000CBC000-memory.dmp upx behavioral1/files/0x00100000000217bd-2.dat upx behavioral1/memory/3264-4-0x0000000000170000-0x00000000001FC000-memory.dmp upx behavioral1/memory/4680-12-0x0000000000C30000-0x0000000000CBC000-memory.dmp upx behavioral1/memory/3264-13-0x0000000000170000-0x00000000001FC000-memory.dmp upx behavioral1/memory/3264-30-0x0000000000170000-0x00000000001FC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\37e180 21f79a0 File opened for modification C:\Windows\501f90 2026-08-20_0fc8a4b98c9e1d1d682413cade38473f_amadey_coinminer_elex_smoke-loader_stop.exe - 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 21f79a0 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-20_0fc8a4b98c9e1d1d682413cade38473f_amadey_coinminer_elex_smoke-loader_stop.exe - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 21f79a0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 21f79a0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 21f79a0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 21f79a0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 21f79a0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 21f79a0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 21f79a0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 21f79a0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 21f79a0 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3264 21f79a0 3264 21f79a0 3264 21f79a0 3264 21f79a0 3264 21f79a0 3264 21f79a0 3264 21f79a0 3264 21f79a0 4680 2026-08-20_0fc8a4b98c9e1d1d682413cade38473f_amadey_coinminer_elex_smoke-loader_stop.exe 4680 2026-08-20_0fc8a4b98c9e1d1d682413cade38473f_amadey_coinminer_elex_smoke-loader_stop.exe 4680 2026-08-20_0fc8a4b98c9e1d1d682413cade38473f_amadey_coinminer_elex_smoke-loader_stop.exe 4680 2026-08-20_0fc8a4b98c9e1d1d682413cade38473f_amadey_coinminer_elex_smoke-loader_stop.exe 4680 2026-08-20_0fc8a4b98c9e1d1d682413cade38473f_amadey_coinminer_elex_smoke-loader_stop.exe 4680 2026-08-20_0fc8a4b98c9e1d1d682413cade38473f_amadey_coinminer_elex_smoke-loader_stop.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4680 2026-08-20_0fc8a4b98c9e1d1d682413cade38473f_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeTcbPrivilege 4680 2026-08-20_0fc8a4b98c9e1d1d682413cade38473f_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeDebugPrivilege 3264 21f79a0 Token: SeTcbPrivilege 3264 21f79a0
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-20_0fc8a4b98c9e1d1d682413cade38473f_amadey_coinminer_elex_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_0fc8a4b98c9e1d1d682413cade38473f_amadey_coinminer_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
PID:4680
-
C:\Windows\Syswow64\21f79a0C:\Windows\Syswow64\21f79a01⤵
- 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
PID:3264
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\21f79a0
- Size 560KB
- SHA256 b8d66c5bab9da77edda775a56514568442efed371760665fd9efcbd69780ed66
- MD5 2cb14aaef3a815b2221c96cd3d2b24a8
- SHA1 18927342b31f67d20f301b2494f4661da5f2deed
- SHA512 833eb8439967365c08680a977ad23a956fe19c3d746df84b8c8b56107471ddc942c053af32d0b6868bc8def8d8389151bea8b8fbf725fd503156a81ceb4fec60
- SSDEEP 6144:V4ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:VrNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T17EC48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH