Analysis
- max time kernel
149s - max time network
148s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
06/05/2026, 22:52
Behavioral task
behavioral1
Sample
2026-05-06_354c571d22fa6724af8de8eec20b35c3_amadey_coinminer_elex_smoke-loader_stop.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2026-05-06_354c571d22fa6724af8de8eec20b35c3_amadey_coinminer_elex_smoke-loader_stop.exe
- Size 560KB
- Sample260506-2tpb4afx3m
- SHA256 f3d531c594d2db64ab10df3fb487d8abb9059c5b777f6783713deecd60f42d2b
- MD5 354c571d22fa6724af8de8eec20b35c3
- SHA1 7da0b32ab108988378a417d8960568dadf989baa
- SHA512 ec7475886b576af1cee89513054b7876888461b5724afcaffff78a8daee40542542b52d4052abbbb34eb7a8cc4108b6474f06c5c1f4f2eada212806dd36ef5b2
- SSDEEP 6144:zgye71cE4poJTqvpQLXNKFyLWD1nFairGcEOkCybEaQRuy8K:zI7OE4kopQzNKFyLWDHsOkxHy
- TLSH T12AC48C2AB690C076C4B7D534C5E197AAEAB17432372449CFA7D0075A1F237E2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Custom signatureUPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/3932-0-0x0000000000D00000-0x0000000000D8C000-memory.dmp UPX behavioral2/files/0x002400000002b108-3.dat UPX behavioral2/memory/3356-4-0x0000000000CE0000-0x0000000000D6C000-memory.dmp UPX behavioral2/memory/3932-18-0x0000000000D00000-0x0000000000D8C000-memory.dmp UPX behavioral2/memory/3356-19-0x0000000000CE0000-0x0000000000D6C000-memory.dmp UPX behavioral2/memory/3356-26-0x0000000000CE0000-0x0000000000D6C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 3356 838f75fc - 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 2 223.5.5.5 3932 2026-05-06_354c571d22fa6724af8de8eec20b35c3_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 10 114.114.114.114 3932 2026-05-06_354c571d22fa6724af8de8eec20b35c3_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 11 223.5.5.5 3932 2026-05-06_354c571d22fa6724af8de8eec20b35c3_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 1 114.114.114.114 3932 2026-05-06_354c571d22fa6724af8de8eec20b35c3_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 838f75fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 838f75fc File created C:\Windows\SysWOW64\838f75fc 2026-05-06_354c571d22fa6724af8de8eec20b35c3_amadey_coinminer_elex_smoke-loader_stop.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 838f75fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 838f75fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 838f75fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 838f75fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 838f75fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 838f75fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 838f75fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 838f75fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 838f75fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 838f75fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 838f75fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 838f75fc -
resource yara_rule behavioral2/memory/3932-0-0x0000000000D00000-0x0000000000D8C000-memory.dmp upx behavioral2/files/0x002400000002b108-3.dat upx behavioral2/memory/3356-4-0x0000000000CE0000-0x0000000000D6C000-memory.dmp upx behavioral2/memory/3932-18-0x0000000000D00000-0x0000000000D8C000-memory.dmp upx behavioral2/memory/3356-19-0x0000000000CE0000-0x0000000000D6C000-memory.dmp upx behavioral2/memory/3356-26-0x0000000000CE0000-0x0000000000D6C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3974b8 838f75fc File opened for modification C:\Windows\435138 2026-05-06_354c571d22fa6724af8de8eec20b35c3_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 2026-05-06_354c571d22fa6724af8de8eec20b35c3_amadey_coinminer_elex_smoke-loader_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 838f75fc - 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 838f75fc Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 838f75fc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 838f75fc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 838f75fc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 838f75fc Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 838f75fc Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 838f75fc Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 838f75fc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 838f75fc - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3356 838f75fc 3356 838f75fc 3356 838f75fc 3356 838f75fc 3356 838f75fc 3356 838f75fc 3356 838f75fc 3356 838f75fc 3932 2026-05-06_354c571d22fa6724af8de8eec20b35c3_amadey_coinminer_elex_smoke-loader_stop.exe 3932 2026-05-06_354c571d22fa6724af8de8eec20b35c3_amadey_coinminer_elex_smoke-loader_stop.exe 3932 2026-05-06_354c571d22fa6724af8de8eec20b35c3_amadey_coinminer_elex_smoke-loader_stop.exe 3932 2026-05-06_354c571d22fa6724af8de8eec20b35c3_amadey_coinminer_elex_smoke-loader_stop.exe 3932 2026-05-06_354c571d22fa6724af8de8eec20b35c3_amadey_coinminer_elex_smoke-loader_stop.exe 3932 2026-05-06_354c571d22fa6724af8de8eec20b35c3_amadey_coinminer_elex_smoke-loader_stop.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3932 2026-05-06_354c571d22fa6724af8de8eec20b35c3_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeTcbPrivilege 3932 2026-05-06_354c571d22fa6724af8de8eec20b35c3_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeDebugPrivilege 3356 838f75fc Token: SeTcbPrivilege 3356 838f75fc
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-06_354c571d22fa6724af8de8eec20b35c3_amadey_coinminer_elex_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-06_354c571d22fa6724af8de8eec20b35c3_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:3932
-
C:\Windows\Syswow64\838f75fcC:\Windows\Syswow64\838f75fc1⤵
- 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:3356
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\838f75fc
- Size 560KB
- SHA256 86a64dacc1ff66bf1a1c4152b7357a5d26f6effe72e2c991f802a9c8849c3c95
- MD5 fbd799b0e87ddd1b04b864ee212f3e46
- SHA1 e090f069c8f1f8c7515594a293c8ed1c1137b46d
- SHA512 b08ba1b159bd993530cc37fd9bac11acae7a7eb5f9d8f1f03ce105f2b2b1de28cefde080cee344e284b51c42500113e789321528f18f036c4bf606eef26febcc
- SSDEEP 6144:lgye71cE4poJTqvpQLXNKFyLWD1nFairGcEOkCybEaQRuy8K:lI7OE4kopQzNKFyLWDHsOkxHy
- TLSH T1E6C48C2AB690C076C4B7D534C5E197AAEAB17432372449CFA3D0075A1F237E2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH