Analysis
- max time kernel
150s - max time network
156s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
25/04/2026, 04:42
Behavioral task
behavioral1
Sample
2026-04-25_676232d38094f169774659c4cfa8956e_amadey_coinminer_elex_smoke-loader_stop.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2026-04-25_676232d38094f169774659c4cfa8956e_amadey_coinminer_elex_smoke-loader_stop.exe
- Size 560KB
- Sample260425-fb3acafx3x
- SHA256 e2a4e98b50b798bfbebfb67a3b46a94bb204b0547d8e4fe27c426a8bcb87665a
- MD5 676232d38094f169774659c4cfa8956e
- SHA1 26c028e58141ee82f938e48155c92500ab75b0f3
- SHA512 e5f43822384a7a38bd133749f7ebfc66fc007a149a9cb9c36a0518ceb4b1744e47a10796ca2c7304a15ef20e2c435a166a8f0733d70c5d21ff3dfabb49d90ccc
- SSDEEP 6144:Mgye71cE4poJTqvpQLXNKFyLWD1nFairGcEOkCybEaQRuy8K:MI7OE4kopQzNKFyLWDHsOkxHy
- TLSH T1C1C48C2AB690C076C4B7D534C5E197AAEAB17432372449CFA7D0075A1F237E2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Custom signatureUPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/4268-0-0x0000000000EE0000-0x0000000000F6C000-memory.dmp UPX behavioral2/files/0x002700000002b200-2.dat UPX behavioral2/memory/3584-4-0x0000000000A90000-0x0000000000B1C000-memory.dmp UPX behavioral2/memory/4268-15-0x0000000000EE0000-0x0000000000F6C000-memory.dmp UPX behavioral2/memory/3584-16-0x0000000000A90000-0x0000000000B1C000-memory.dmp UPX behavioral2/memory/3584-26-0x0000000000A90000-0x0000000000B1C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 3584 471fb83d - 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 4268 2026-04-25_676232d38094f169774659c4cfa8956e_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 2 223.5.5.5 4268 2026-04-25_676232d38094f169774659c4cfa8956e_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 11 114.114.114.114 4268 2026-04-25_676232d38094f169774659c4cfa8956e_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 12 223.5.5.5 4268 2026-04-25_676232d38094f169774659c4cfa8956e_amadey_coinminer_elex_smoke-loader_stop.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 471fb83d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 471fb83d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 471fb83d File created C:\Windows\SysWOW64\471fb83d 2026-04-25_676232d38094f169774659c4cfa8956e_amadey_coinminer_elex_smoke-loader_stop.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 471fb83d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 471fb83d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 471fb83d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 471fb83d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 471fb83d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 471fb83d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 471fb83d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 471fb83d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 471fb83d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 471fb83d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 471fb83d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 471fb83d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 471fb83d -
resource yara_rule behavioral2/memory/4268-0-0x0000000000EE0000-0x0000000000F6C000-memory.dmp upx behavioral2/files/0x002700000002b200-2.dat upx behavioral2/memory/3584-4-0x0000000000A90000-0x0000000000B1C000-memory.dmp upx behavioral2/memory/4268-15-0x0000000000EE0000-0x0000000000F6C000-memory.dmp upx behavioral2/memory/3584-16-0x0000000000A90000-0x0000000000B1C000-memory.dmp upx behavioral2/memory/3584-26-0x0000000000A90000-0x0000000000B1C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3d5c00 471fb83d File opened for modification C:\Windows\4911d8 2026-04-25_676232d38094f169774659c4cfa8956e_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 2026-04-25_676232d38094f169774659c4cfa8956e_amadey_coinminer_elex_smoke-loader_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 471fb83d - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 471fb83d Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 471fb83d Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 471fb83d Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 471fb83d Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 471fb83d Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 471fb83d Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 471fb83d Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 471fb83d Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 471fb83d - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3584 471fb83d 3584 471fb83d 3584 471fb83d 3584 471fb83d 3584 471fb83d 3584 471fb83d 3584 471fb83d 3584 471fb83d 4268 2026-04-25_676232d38094f169774659c4cfa8956e_amadey_coinminer_elex_smoke-loader_stop.exe 4268 2026-04-25_676232d38094f169774659c4cfa8956e_amadey_coinminer_elex_smoke-loader_stop.exe 4268 2026-04-25_676232d38094f169774659c4cfa8956e_amadey_coinminer_elex_smoke-loader_stop.exe 4268 2026-04-25_676232d38094f169774659c4cfa8956e_amadey_coinminer_elex_smoke-loader_stop.exe 4268 2026-04-25_676232d38094f169774659c4cfa8956e_amadey_coinminer_elex_smoke-loader_stop.exe 4268 2026-04-25_676232d38094f169774659c4cfa8956e_amadey_coinminer_elex_smoke-loader_stop.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4268 2026-04-25_676232d38094f169774659c4cfa8956e_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeTcbPrivilege 4268 2026-04-25_676232d38094f169774659c4cfa8956e_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeDebugPrivilege 3584 471fb83d Token: SeTcbPrivilege 3584 471fb83d
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-25_676232d38094f169774659c4cfa8956e_amadey_coinminer_elex_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-25_676232d38094f169774659c4cfa8956e_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:4268
-
C:\Windows\Syswow64\471fb83dC:\Windows\Syswow64\471fb83d1⤵
- 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:3584
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\471fb83d
- Size 560KB
- SHA256 e3294783661d0e5e4c5c0c52aa8601878c8e1ea119c5072c931c8d99b32cb5b7
- MD5 de81bdc6802a02f2adf0fb2958c17c7a
- SHA1 04f27bd20385ec3dbed7b070d0f080dcc91d0a3c
- SHA512 7f0542fa541b4eb9cbf90328771d24fc3f1b392dde7f4763780b2f45ceeb403b3918d8603636dccebb8ad640e6f7363b64c43ad5adfa7c3184ced8a8354a289e
- SSDEEP 6144:ngye71cE4poJTqvpQLXNKFyLWD1nFairGcEOkCybEaQRuy8K:nI7OE4kopQzNKFyLWDHsOkxHy
- TLSH T177C48C2AB690C076C4B7D534C5E197AAEAB17432372449CFA3D0075A1F237E2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH