Analysis
- max time kernel
149s - max time network
155s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
22/04/2026, 02:04
Behavioral task
behavioral1
Sample
2026-04-21_d297f552e9225029188ca6e80a7da38b_amadey_coinminer_elex_smoke-loader_stop.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2026-04-21_d297f552e9225029188ca6e80a7da38b_amadey_coinminer_elex_smoke-loader_stop.exe
- Size 560KB
- Sample260422-chsspsbs7x
- SHA256 20759ffe564138225801f6ef8be71bba20d877d90a460c0fc085c37852b41580
- MD5 d297f552e9225029188ca6e80a7da38b
- SHA1 d94ac9543f10618951e9c06865c83f9e85434cbc
- SHA512 7d7728cea0cc485c1072116e99cb403e5f542eaf37cb4038aab41ee22df4ecd3f8c4de44e56545b6d45df2b94abd4bfe15d510a8cb1d8617a38a56d1cf13f24a
- SSDEEP 6144:34ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:3rNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T1B5C48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/2716-0-0x00000000005B0000-0x000000000063C000-memory.dmp UPX behavioral2/memory/3540-4-0x0000000000DC0000-0x0000000000E4C000-memory.dmp UPX behavioral2/files/0x000a00000000d352-3.dat UPX behavioral2/memory/2716-18-0x00000000005B0000-0x000000000063C000-memory.dmp UPX behavioral2/memory/3540-19-0x0000000000DC0000-0x0000000000E4C000-memory.dmp UPX behavioral2/memory/3540-24-0x0000000000DC0000-0x0000000000E4C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 3540 c88e8a00 - 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 2716 2026-04-21_d297f552e9225029188ca6e80a7da38b_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 2 223.5.5.5 2716 2026-04-21_d297f552e9225029188ca6e80a7da38b_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 18 114.114.114.114 2716 2026-04-21_d297f552e9225029188ca6e80a7da38b_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 19 223.5.5.5 2716 2026-04-21_d297f552e9225029188ca6e80a7da38b_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\Local\Microsoft\Windows\INetCookies c88e8a00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft c88e8a00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 c88e8a00 File created C:\Windows\SysWOW64\c88e8a00 2026-04-21_d297f552e9225029188ca6e80a7da38b_amadey_coinminer_elex_smoke-loader_stop.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache c88e8a00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData c88e8a00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c88e8a00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 c88e8a00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 c88e8a00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c88e8a00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 c88e8a00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE c88e8a00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content c88e8a00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 c88e8a00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 c88e8a00 -
resource yara_rule behavioral2/memory/2716-0-0x00000000005B0000-0x000000000063C000-memory.dmp upx behavioral2/memory/3540-4-0x0000000000DC0000-0x0000000000E4C000-memory.dmp upx behavioral2/files/0x000a00000000d352-3.dat upx behavioral2/memory/2716-18-0x00000000005B0000-0x000000000063C000-memory.dmp upx behavioral2/memory/3540-19-0x0000000000DC0000-0x0000000000E4C000-memory.dmp upx behavioral2/memory/3540-24-0x0000000000DC0000-0x0000000000E4C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2e7fb8 2026-04-21_d297f552e9225029188ca6e80a7da38b_amadey_coinminer_elex_smoke-loader_stop.exe File opened for modification C:\Windows\3c9b28 c88e8a00 - 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 2026-04-21_d297f552e9225029188ca6e80a7da38b_amadey_coinminer_elex_smoke-loader_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c88e8a00 - 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\Cookies\CachePrefix = "Cookie:" c88e8a00 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" c88e8a00 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" c88e8a00 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" c88e8a00 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing c88e8a00 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix c88e8a00 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ c88e8a00 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" c88e8a00 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" c88e8a00 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3540 c88e8a00 3540 c88e8a00 3540 c88e8a00 3540 c88e8a00 3540 c88e8a00 3540 c88e8a00 3540 c88e8a00 3540 c88e8a00 2716 2026-04-21_d297f552e9225029188ca6e80a7da38b_amadey_coinminer_elex_smoke-loader_stop.exe 2716 2026-04-21_d297f552e9225029188ca6e80a7da38b_amadey_coinminer_elex_smoke-loader_stop.exe 2716 2026-04-21_d297f552e9225029188ca6e80a7da38b_amadey_coinminer_elex_smoke-loader_stop.exe 2716 2026-04-21_d297f552e9225029188ca6e80a7da38b_amadey_coinminer_elex_smoke-loader_stop.exe 2716 2026-04-21_d297f552e9225029188ca6e80a7da38b_amadey_coinminer_elex_smoke-loader_stop.exe 2716 2026-04-21_d297f552e9225029188ca6e80a7da38b_amadey_coinminer_elex_smoke-loader_stop.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2716 2026-04-21_d297f552e9225029188ca6e80a7da38b_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeTcbPrivilege 2716 2026-04-21_d297f552e9225029188ca6e80a7da38b_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeDebugPrivilege 3540 c88e8a00 Token: SeTcbPrivilege 3540 c88e8a00
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-21_d297f552e9225029188ca6e80a7da38b_amadey_coinminer_elex_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-21_d297f552e9225029188ca6e80a7da38b_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:2716
-
C:\Windows\Syswow64\c88e8a00C:\Windows\Syswow64\c88e8a001⤵
- 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:3540
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\c88e8a00
- Size 560KB
- SHA256 8d14ba1136b834dfc72b597f4340d4fad9f522206f6fa85c5ac9d94d718a7449
- MD5 386866224397a28298bf33a717051e2b
- SHA1 ec4aa4badd1eabe01fbd9dac852369c4bf9a649f
- SHA512 4d928340c703c0f6e8f3b6a5528a589fcdb7845caa3f310cd1d388cd7363184b509c5090d7dd2d8350b7a36f5a7c44eab220ecca9a75e198ea1cb69a8d6863a7
- SSDEEP 6144:d4ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:drNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T108C48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH