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
20/04/2026, 14:28
Behavioral task
behavioral1
Sample
2026-04-20_cb3d042e8b1caa3c98629622cb6d9607_amadey_coinminer_elex_remcos_smoke-loader.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-04-20_cb3d042e8b1caa3c98629622cb6d9607_amadey_coinminer_elex_remcos_smoke-loader.exe
Resource
win11-20260130-en
windows11-21h2-x64
11 signatures
150 seconds
General
- Target 2026-04-20_cb3d042e8b1caa3c98629622cb6d9607_amadey_coinminer_elex_remcos_smoke-loader.exe
- Size 618KB
- Sample260420-rtcm7ac16q
- SHA256 973d6da9ef8205f2c2551c126dd74164f5f8cfba639bbc0190840f5184759f03
- MD5 cb3d042e8b1caa3c98629622cb6d9607
- SHA1 2206e043c563ea01f08fac7f1258e099e13d3c2c
- SHA512 23714f3d8492b1f1e06be31e44c090146764e4a6595e2ecbccee3906e2afcb5453472670fc99030ebb7f391c7dcf68973cfd33a13c5af5fcd6e766c2b9cb0385
- SSDEEP 12288:mqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:mjHPOSOkx2LFscUQPxW
- TLSH T120D47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- UPX dump on OEP (original entry point) 8 IoCs
resource yara_rule behavioral2/memory/4400-0-0x0000000000010000-0x0000000000099000-memory.dmp UPX behavioral2/files/0x000e0000000262c0-2.dat UPX behavioral2/memory/3540-4-0x0000000000930000-0x00000000009B9000-memory.dmp UPX behavioral2/memory/4400-10-0x0000000000010000-0x0000000000099000-memory.dmp UPX behavioral2/memory/3540-12-0x0000000000930000-0x00000000009B9000-memory.dmp UPX behavioral2/memory/4400-21-0x0000000000010000-0x0000000000099000-memory.dmp UPX behavioral2/memory/3540-22-0x0000000000930000-0x00000000009B9000-memory.dmp UPX behavioral2/memory/4400-44-0x0000000000010000-0x0000000000099000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 3540 29a6f078 - 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 4400 2026-04-20_cb3d042e8b1caa3c98629622cb6d9607_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 2 223.5.5.5 4400 2026-04-20_cb3d042e8b1caa3c98629622cb6d9607_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 7 114.114.114.114 4400 2026-04-20_cb3d042e8b1caa3c98629622cb6d9607_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 8 223.5.5.5 4400 2026-04-20_cb3d042e8b1caa3c98629622cb6d9607_amadey_coinminer_elex_remcos_smoke-loader.exe - Drops file in System32 directory 11 IoCs
description ioc Process File created C:\Windows\SysWOW64\29a6f078 2026-04-20_cb3d042e8b1caa3c98629622cb6d9607_amadey_coinminer_elex_remcos_smoke-loader.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 29a6f078 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 29a6f078 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 29a6f078 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 29a6f078 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 29a6f078 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 29a6f078 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 29a6f078 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 29a6f078 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 29a6f078 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 29a6f078 -
resource yara_rule behavioral2/memory/4400-0-0x0000000000010000-0x0000000000099000-memory.dmp upx behavioral2/files/0x000e0000000262c0-2.dat upx behavioral2/memory/3540-4-0x0000000000930000-0x00000000009B9000-memory.dmp upx behavioral2/memory/4400-10-0x0000000000010000-0x0000000000099000-memory.dmp upx behavioral2/memory/3540-12-0x0000000000930000-0x00000000009B9000-memory.dmp upx behavioral2/memory/4400-21-0x0000000000010000-0x0000000000099000-memory.dmp upx behavioral2/memory/3540-22-0x0000000000930000-0x00000000009B9000-memory.dmp upx behavioral2/memory/4400-44-0x0000000000010000-0x0000000000099000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4b5460 2026-04-20_cb3d042e8b1caa3c98629622cb6d9607_amadey_coinminer_elex_remcos_smoke-loader.exe File opened for modification C:\Windows\3c9b28 29a6f078 - 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 29a6f078 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-04-20_cb3d042e8b1caa3c98629622cb6d9607_amadey_coinminer_elex_remcos_smoke-loader.exe - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 29a6f078 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 29a6f078 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 29a6f078 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 29a6f078 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 29a6f078 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 29a6f078 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 29a6f078 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 29a6f078 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 29a6f078 - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA 29a6f078 Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 29a6f078 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3540 29a6f078 3540 29a6f078 3540 29a6f078 3540 29a6f078 3540 29a6f078 3540 29a6f078 3540 29a6f078 3540 29a6f078 4400 2026-04-20_cb3d042e8b1caa3c98629622cb6d9607_amadey_coinminer_elex_remcos_smoke-loader.exe 4400 2026-04-20_cb3d042e8b1caa3c98629622cb6d9607_amadey_coinminer_elex_remcos_smoke-loader.exe 4400 2026-04-20_cb3d042e8b1caa3c98629622cb6d9607_amadey_coinminer_elex_remcos_smoke-loader.exe 4400 2026-04-20_cb3d042e8b1caa3c98629622cb6d9607_amadey_coinminer_elex_remcos_smoke-loader.exe 4400 2026-04-20_cb3d042e8b1caa3c98629622cb6d9607_amadey_coinminer_elex_remcos_smoke-loader.exe 4400 2026-04-20_cb3d042e8b1caa3c98629622cb6d9607_amadey_coinminer_elex_remcos_smoke-loader.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4400 2026-04-20_cb3d042e8b1caa3c98629622cb6d9607_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeTcbPrivilege 4400 2026-04-20_cb3d042e8b1caa3c98629622cb6d9607_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeDebugPrivilege 3540 29a6f078 Token: SeTcbPrivilege 3540 29a6f078
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-20_cb3d042e8b1caa3c98629622cb6d9607_amadey_coinminer_elex_remcos_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-20_cb3d042e8b1caa3c98629622cb6d9607_amadey_coinminer_elex_remcos_smoke-loader.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:4400
-
C:\Windows\Syswow64\29a6f078C:\Windows\Syswow64\29a6f0781⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3540
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\29a6f078
- Size 618KB
- SHA256 a2a2953a4cb6f8a596864507a253ce0e89a0ea197f500130bbba116dee9b0b56
- MD5 125cae73ea3260628f944484d2cd797d
- SHA1 cbf68d383a820ba7116fc832a4231be2cce284ba
- SHA512 7c6f3d25443c452533d6a437f762e886ee408de7ed5535dd9506bd35c2f057b5288b37dc0e7444d5dff648aa5c67fd4bb07fd271d2880cfcab95a20b528623b2
- SSDEEP 12288:IqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:IjHPOSOkx2LFscUQPxW
- TLSH T132D47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH