Analysis
- max time kernel
148s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/08/2026, 10:32
Behavioral task
behavioral1
Sample
2026-08-03_9f23c52b687ee186d27dd89151abb0af_amadey_coinminer_elex_smoke-loader_stop.exe
Resource
win10v2004-20260513-en
11 signatures
150 seconds
General
- Target 2026-08-03_9f23c52b687ee186d27dd89151abb0af_amadey_coinminer_elex_smoke-loader_stop.exe
- Size 560KB
- Sample260804-mk2thatvaz
- SHA256 cb319baf7c7251120c2a27db54ead9c3c9e90703aadd11de4be0fb8a6b3ca744
- MD5 9f23c52b687ee186d27dd89151abb0af
- SHA1 9b17ed2cd78bc817dda6d348d18934ff6c690922
- SHA512 8d5ff1006eb6b794d01a5c243a852b4ecb03f1be9f27bb3674caaffbb64ea44c02ddab3cefdd9b051a26ccd8d50665114da6c43fc3c49f44f76b1768219e900d
- SSDEEP 6144:Vgye71cE4poJTqvpQLXNKFyLWD1nFairGcEOkCybEaQRuy8K:VI7OE4kopQzNKFyLWDHsOkxHy
- TLSH T1F0C48C2AB690C076C4B7D534C5E197AAEAB17432372449CFA3D0075A1F237E2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/2648-0-0x0000000000490000-0x000000000051C000-memory.dmp UPX behavioral2/memory/4228-3-0x0000000000F30000-0x0000000000FBC000-memory.dmp UPX behavioral2/files/0x000b000000011377-2.dat UPX behavioral2/memory/2648-18-0x0000000000490000-0x000000000051C000-memory.dmp UPX behavioral2/memory/4228-19-0x0000000000F30000-0x0000000000FBC000-memory.dmp UPX behavioral2/memory/4228-30-0x0000000000F30000-0x0000000000FBC000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4228 21f40b88 - 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 1 114.114.114.114 2648 2026-08-03_9f23c52b687ee186d27dd89151abb0af_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 3 223.5.5.5 2648 2026-08-03_9f23c52b687ee186d27dd89151abb0af_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 17 114.114.114.114 2648 2026-08-03_9f23c52b687ee186d27dd89151abb0af_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 18 223.5.5.5 2648 2026-08-03_9f23c52b687ee186d27dd89151abb0af_amadey_coinminer_elex_smoke-loader_stop.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 21f40b88 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 21f40b88 File created C:\Windows\SysWOW64\21f40b88 2026-08-03_9f23c52b687ee186d27dd89151abb0af_amadey_coinminer_elex_smoke-loader_stop.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 21f40b88 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 21f40b88 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 21f40b88 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 21f40b88 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 21f40b88 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 21f40b88 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 21f40b88 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 21f40b88 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 21f40b88 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 21f40b88 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 21f40b88 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 21f40b88 -
resource yara_rule behavioral2/memory/2648-0-0x0000000000490000-0x000000000051C000-memory.dmp upx behavioral2/memory/4228-3-0x0000000000F30000-0x0000000000FBC000-memory.dmp upx behavioral2/files/0x000b000000011377-2.dat upx behavioral2/memory/2648-18-0x0000000000490000-0x000000000051C000-memory.dmp upx behavioral2/memory/4228-19-0x0000000000F30000-0x0000000000FBC000-memory.dmp upx behavioral2/memory/4228-30-0x0000000000F30000-0x0000000000FBC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\486288 21f40b88 File opened for modification C:\Windows\2d55b0 2026-08-03_9f23c52b687ee186d27dd89151abb0af_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 2026-08-03_9f23c52b687ee186d27dd89151abb0af_amadey_coinminer_elex_smoke-loader_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 21f40b88 - 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 21f40b88 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 21f40b88 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 21f40b88 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 21f40b88 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 21f40b88 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 21f40b88 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 21f40b88 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 21f40b88 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 21f40b88 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4228 21f40b88 4228 21f40b88 4228 21f40b88 4228 21f40b88 4228 21f40b88 4228 21f40b88 4228 21f40b88 4228 21f40b88 2648 2026-08-03_9f23c52b687ee186d27dd89151abb0af_amadey_coinminer_elex_smoke-loader_stop.exe 2648 2026-08-03_9f23c52b687ee186d27dd89151abb0af_amadey_coinminer_elex_smoke-loader_stop.exe 2648 2026-08-03_9f23c52b687ee186d27dd89151abb0af_amadey_coinminer_elex_smoke-loader_stop.exe 2648 2026-08-03_9f23c52b687ee186d27dd89151abb0af_amadey_coinminer_elex_smoke-loader_stop.exe 2648 2026-08-03_9f23c52b687ee186d27dd89151abb0af_amadey_coinminer_elex_smoke-loader_stop.exe 2648 2026-08-03_9f23c52b687ee186d27dd89151abb0af_amadey_coinminer_elex_smoke-loader_stop.exe 2648 2026-08-03_9f23c52b687ee186d27dd89151abb0af_amadey_coinminer_elex_smoke-loader_stop.exe 2648 2026-08-03_9f23c52b687ee186d27dd89151abb0af_amadey_coinminer_elex_smoke-loader_stop.exe 2648 2026-08-03_9f23c52b687ee186d27dd89151abb0af_amadey_coinminer_elex_smoke-loader_stop.exe 2648 2026-08-03_9f23c52b687ee186d27dd89151abb0af_amadey_coinminer_elex_smoke-loader_stop.exe 2648 2026-08-03_9f23c52b687ee186d27dd89151abb0af_amadey_coinminer_elex_smoke-loader_stop.exe 2648 2026-08-03_9f23c52b687ee186d27dd89151abb0af_amadey_coinminer_elex_smoke-loader_stop.exe 2648 2026-08-03_9f23c52b687ee186d27dd89151abb0af_amadey_coinminer_elex_smoke-loader_stop.exe 2648 2026-08-03_9f23c52b687ee186d27dd89151abb0af_amadey_coinminer_elex_smoke-loader_stop.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2648 2026-08-03_9f23c52b687ee186d27dd89151abb0af_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeTcbPrivilege 2648 2026-08-03_9f23c52b687ee186d27dd89151abb0af_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeDebugPrivilege 4228 21f40b88 Token: SeTcbPrivilege 4228 21f40b88
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-03_9f23c52b687ee186d27dd89151abb0af_amadey_coinminer_elex_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-03_9f23c52b687ee186d27dd89151abb0af_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:2648
-
C:\Windows\Syswow64\21f40b88C:\Windows\Syswow64\21f40b881⤵
- 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:4228
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\21f40b88
- Size 560KB
- SHA256 79809dd6340f101a10f43f2b82d778d0ee195b5036896e002b4f0f7e6dea07a8
- MD5 ce7706f5f94aa89d2963f77179306f78
- SHA1 4e72635e4612ed04b19f9924018f5bc7c9196fac
- SHA512 b590852d38d28d95d2ffe44a8e6697c7652a018ca398c62382cd90ee4a96fae2b62454f6deba45f2946ec08cbddd15d0032af27ab8056f8148d1a51d43071052
- SSDEEP 6144:tgye71cE4poJTqvpQLXNKFyLWD1nFairGcEOkCybEaQRuy8K:tI7OE4kopQzNKFyLWDHsOkxHy
- TLSH T101C48C2AB690D076C4B7D534C5E197AAEAB17432372449CFA3D0075A1F237E2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH