Analysis
- max time kernel
148s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
06/08/2026, 23:20
Behavioral task
behavioral1
Sample
2026-08-06_305fda5114c455412250136dbd27afba_amadey_coinminer_elex_remcos_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-06_305fda5114c455412250136dbd27afba_amadey_coinminer_elex_remcos_smoke-loader.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
11 signatures
150 seconds
General
- Target 2026-08-06_305fda5114c455412250136dbd27afba_amadey_coinminer_elex_remcos_smoke-loader.exe
- Size 618KB
- Sample260806-3bpetack8v
- SHA256 4ef2fd41ee2e5e7a608f9766f533874ab65ab2f146699e58a58623527bb7e027
- MD5 305fda5114c455412250136dbd27afba
- SHA1 6821bbc7e08f2923d1b35869ddafd45e7cb681f0
- SHA512 1e8e1b51c6cc4974a71e54811a281f86f307e7009062f1154510f0e0e6f84759c6517c2975f168ecd3a446a2435bfd36939092e73a2cec87b247fbf93ae76e58
- SSDEEP 12288:AqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:AjHPOSOkx2LFscUQPxW
- TLSH T174D47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- UPX dump on OEP (original entry point) 10 IoCs
resource yara_rule behavioral2/memory/5612-0-0x0000000000DB0000-0x0000000000E39000-memory.dmp UPX behavioral2/files/0x000b000000019caa-2.dat UPX behavioral2/memory/4140-3-0x0000000000FC0000-0x0000000001049000-memory.dmp UPX behavioral2/memory/5612-12-0x0000000000DB0000-0x0000000000E39000-memory.dmp UPX behavioral2/memory/4140-14-0x0000000000FC0000-0x0000000001049000-memory.dmp UPX behavioral2/memory/5612-39-0x0000000000DB0000-0x0000000000E39000-memory.dmp UPX behavioral2/memory/4140-40-0x0000000000FC0000-0x0000000001049000-memory.dmp UPX behavioral2/memory/5612-45-0x0000000000DB0000-0x0000000000E39000-memory.dmp UPX behavioral2/memory/4140-46-0x0000000000FC0000-0x0000000001049000-memory.dmp UPX behavioral2/memory/5612-49-0x0000000000DB0000-0x0000000000E39000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4140 23bffc3e - 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 5612 2026-08-06_305fda5114c455412250136dbd27afba_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 2 223.5.5.5 5612 2026-08-06_305fda5114c455412250136dbd27afba_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 16 114.114.114.114 5612 2026-08-06_305fda5114c455412250136dbd27afba_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 17 223.5.5.5 5612 2026-08-06_305fda5114c455412250136dbd27afba_amadey_coinminer_elex_remcos_smoke-loader.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 23bffc3e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 23bffc3e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 23bffc3e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 23bffc3e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 23bffc3e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 23bffc3e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 23bffc3e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 23bffc3e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 23bffc3e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 23bffc3e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 23bffc3e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 23bffc3e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 23bffc3e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 23bffc3e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 23bffc3e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 23bffc3e File created C:\Windows\SysWOW64\23bffc3e 2026-08-06_305fda5114c455412250136dbd27afba_amadey_coinminer_elex_remcos_smoke-loader.exe -
resource yara_rule behavioral2/memory/5612-0-0x0000000000DB0000-0x0000000000E39000-memory.dmp upx behavioral2/files/0x000b000000019caa-2.dat upx behavioral2/memory/4140-3-0x0000000000FC0000-0x0000000001049000-memory.dmp upx behavioral2/memory/5612-12-0x0000000000DB0000-0x0000000000E39000-memory.dmp upx behavioral2/memory/4140-14-0x0000000000FC0000-0x0000000001049000-memory.dmp upx behavioral2/memory/5612-39-0x0000000000DB0000-0x0000000000E39000-memory.dmp upx behavioral2/memory/4140-40-0x0000000000FC0000-0x0000000001049000-memory.dmp upx behavioral2/memory/5612-45-0x0000000000DB0000-0x0000000000E39000-memory.dmp upx behavioral2/memory/4140-46-0x0000000000FC0000-0x0000000001049000-memory.dmp upx behavioral2/memory/5612-49-0x0000000000DB0000-0x0000000000E39000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\46e0d8 23bffc3e File opened for modification C:\Windows\601458 2026-08-06_305fda5114c455412250136dbd27afba_amadey_coinminer_elex_remcos_smoke-loader.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 2026-08-06_305fda5114c455412250136dbd27afba_amadey_coinminer_elex_remcos_smoke-loader.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 23bffc3e - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 23bffc3e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 23bffc3e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 23bffc3e Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 23bffc3e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 23bffc3e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 23bffc3e Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 23bffc3e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 23bffc3e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 23bffc3e - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA 23bffc3e Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 23bffc3e - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4140 23bffc3e 4140 23bffc3e 4140 23bffc3e 4140 23bffc3e 4140 23bffc3e 4140 23bffc3e 4140 23bffc3e 4140 23bffc3e 5612 2026-08-06_305fda5114c455412250136dbd27afba_amadey_coinminer_elex_remcos_smoke-loader.exe 5612 2026-08-06_305fda5114c455412250136dbd27afba_amadey_coinminer_elex_remcos_smoke-loader.exe 5612 2026-08-06_305fda5114c455412250136dbd27afba_amadey_coinminer_elex_remcos_smoke-loader.exe 5612 2026-08-06_305fda5114c455412250136dbd27afba_amadey_coinminer_elex_remcos_smoke-loader.exe 5612 2026-08-06_305fda5114c455412250136dbd27afba_amadey_coinminer_elex_remcos_smoke-loader.exe 5612 2026-08-06_305fda5114c455412250136dbd27afba_amadey_coinminer_elex_remcos_smoke-loader.exe 5612 2026-08-06_305fda5114c455412250136dbd27afba_amadey_coinminer_elex_remcos_smoke-loader.exe 5612 2026-08-06_305fda5114c455412250136dbd27afba_amadey_coinminer_elex_remcos_smoke-loader.exe 5612 2026-08-06_305fda5114c455412250136dbd27afba_amadey_coinminer_elex_remcos_smoke-loader.exe 5612 2026-08-06_305fda5114c455412250136dbd27afba_amadey_coinminer_elex_remcos_smoke-loader.exe 5612 2026-08-06_305fda5114c455412250136dbd27afba_amadey_coinminer_elex_remcos_smoke-loader.exe 5612 2026-08-06_305fda5114c455412250136dbd27afba_amadey_coinminer_elex_remcos_smoke-loader.exe 5612 2026-08-06_305fda5114c455412250136dbd27afba_amadey_coinminer_elex_remcos_smoke-loader.exe 5612 2026-08-06_305fda5114c455412250136dbd27afba_amadey_coinminer_elex_remcos_smoke-loader.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5612 2026-08-06_305fda5114c455412250136dbd27afba_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeTcbPrivilege 5612 2026-08-06_305fda5114c455412250136dbd27afba_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeDebugPrivilege 4140 23bffc3e Token: SeTcbPrivilege 4140 23bffc3e
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-06_305fda5114c455412250136dbd27afba_amadey_coinminer_elex_remcos_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-06_305fda5114c455412250136dbd27afba_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:5612
-
C:\Windows\Syswow64\23bffc3eC:\Windows\Syswow64\23bffc3e1⤵
- 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:4140
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\23bffc3e
- Size 618KB
- SHA256 e2b1c66f9b6a582d99ca97f45abee91c151af1185b961230aa1fa0b12b635396
- MD5 1cfe84921951fe77000f80b88b3c7c3d
- SHA1 db90a67b475a308db81818772ee60dbf96f5d82c
- SHA512 a9eddef4748afb7a2f48608f8a3612b38f543a60c5e6f452b864daa2d60b12b623a9c30d85e1aadb2a7361520af565c6fd817808ab9425eb47d3b025ea9b653b
- SSDEEP 12288:VqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:VjHPOSOkx2LFscUQPxW
- TLSH T1BED47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH