Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
14/08/2026, 10:25
Behavioral task
behavioral1
Sample
2026-08-14_4de7e07d108f854b92b488328c2435ba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2026-08-14_4de7e07d108f854b92b488328c2435ba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
- Size 873KB
- Sample260814-mgejsshb44
- SHA256 c460907e1a86f82130984e2b759efe2f0c44a77c28709114fc86b433af691350
- MD5 4de7e07d108f854b92b488328c2435ba
- SHA1 22add746561cdfdf6ed1ea4ba7ee81ad5dc54a90
- SHA512 a2672f4d570c9427f66aa01852a8a7267dcd68edc1cfca0b55b83ef728a4e053ef5c4836ba9c245ca01851ff8a13d34b1d58f01d0051c10bbbf490522fa4aef4
- SSDEEP 12288:uSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3uEW:NvO2xJKRw2kOkx2LFRvcUQPxW
- TLSH T1DB156B31E641C036D0A34576C6FA4BBFE964BD25531165CBA3D43A262FB32D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral1/memory/412-0-0x0000000000C30000-0x0000000000CBC000-memory.dmp UPX behavioral1/files/0x000c0000000242b5-2.dat UPX behavioral1/memory/1996-4-0x0000000000E70000-0x0000000000EFC000-memory.dmp UPX behavioral1/memory/412-18-0x0000000000C30000-0x0000000000CBC000-memory.dmp UPX behavioral1/memory/1996-19-0x0000000000E70000-0x0000000000EFC000-memory.dmp UPX behavioral1/memory/1996-24-0x0000000000E70000-0x0000000000EFC000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 1996 cf4ec1de - 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 31 223.5.5.5 412 2026-08-14_4de7e07d108f854b92b488328c2435ba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 3 114.114.114.114 412 2026-08-14_4de7e07d108f854b92b488328c2435ba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 4 223.5.5.5 412 2026-08-14_4de7e07d108f854b92b488328c2435ba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 30 114.114.114.114 412 2026-08-14_4de7e07d108f854b92b488328c2435ba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe - Drops file in System32 directory 15 IoCs
description ioc Process File created C:\Windows\SysWOW64\cf4ec1de 2026-08-14_4de7e07d108f854b92b488328c2435ba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 cf4ec1de File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 cf4ec1de File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 cf4ec1de File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies cf4ec1de File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache cf4ec1de File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 cf4ec1de File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE cf4ec1de File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft cf4ec1de File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content cf4ec1de File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 cf4ec1de File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 cf4ec1de File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData cf4ec1de File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 cf4ec1de File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 cf4ec1de -
resource yara_rule behavioral1/memory/412-0-0x0000000000C30000-0x0000000000CBC000-memory.dmp upx behavioral1/files/0x000c0000000242b5-2.dat upx behavioral1/memory/1996-4-0x0000000000E70000-0x0000000000EFC000-memory.dmp upx behavioral1/memory/412-18-0x0000000000C30000-0x0000000000CBC000-memory.dmp upx behavioral1/memory/1996-19-0x0000000000E70000-0x0000000000EFC000-memory.dmp upx behavioral1/memory/1996-24-0x0000000000E70000-0x0000000000EFC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\70db8 2026-08-14_4de7e07d108f854b92b488328c2435ba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe File opened for modification C:\Windows\222c18 cf4ec1de - 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 2026-08-14_4de7e07d108f854b92b488328c2435ba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cf4ec1de - 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:" cf4ec1de Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" cf4ec1de Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ cf4ec1de Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" cf4ec1de Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix cf4ec1de Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" cf4ec1de Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" cf4ec1de Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" cf4ec1de Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing cf4ec1de - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1996 cf4ec1de 1996 cf4ec1de 1996 cf4ec1de 1996 cf4ec1de 1996 cf4ec1de 1996 cf4ec1de 1996 cf4ec1de 1996 cf4ec1de 412 2026-08-14_4de7e07d108f854b92b488328c2435ba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 412 2026-08-14_4de7e07d108f854b92b488328c2435ba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 412 2026-08-14_4de7e07d108f854b92b488328c2435ba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 412 2026-08-14_4de7e07d108f854b92b488328c2435ba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 412 2026-08-14_4de7e07d108f854b92b488328c2435ba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 412 2026-08-14_4de7e07d108f854b92b488328c2435ba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 412 2026-08-14_4de7e07d108f854b92b488328c2435ba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Token: SeTcbPrivilege 412 2026-08-14_4de7e07d108f854b92b488328c2435ba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Token: SeDebugPrivilege 1996 cf4ec1de Token: SeTcbPrivilege 1996 cf4ec1de
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-14_4de7e07d108f854b92b488328c2435ba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-14_4de7e07d108f854b92b488328c2435ba_amadey_coinminer_elex_remcos_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:412
-
C:\Windows\Syswow64\cf4ec1deC:\Windows\Syswow64\cf4ec1de1⤵
- 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:1996
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\cf4ec1de
- Size 873KB
- SHA256 c250966f212d368ea68772c7dd80a736e7760f8c36ca0747a390deac033ba014
- MD5 74e8cd5deb3b9211b38a42d1406d206a
- SHA1 f7ea64118e4bf047a04e784c1571567507e7f5ca
- SHA512 4b271720c4cd6394d594fb28f78c2847ea388a9162e6f36b1074e91d16bc8d8ae5ca31ddd78f0a429e30573f90206d219326ee1018375b6304abd5e2bee360f4
- SSDEEP 12288:NSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3uEW:MvO2xJKRw2kOkx2LFRvcUQPxW
- TLSH T1FB156B31E641C036D0A34576C6FA4BBFE964BD25531165CBA3D43A262FB32D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH