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
24/08/2026, 00:15
Behavioral task
behavioral1
Sample
2026-08-23_b5d2b02900af9c58af95e0c9811b3165_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2026-08-23_b5d2b02900af9c58af95e0c9811b3165_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
- Size 830KB
- Sample260824-ajvycabf63
- SHA256 ee93d2afcb34dc0c2f30a416c12886ea11b40b2f5849baed4fffe5dfc68f2b9b
- MD5 b5d2b02900af9c58af95e0c9811b3165
- SHA1 66c066dc73c3fef550427db72e9e7c40314da782
- SHA512 5d8828d9c966d5be8bbb2763c211961d49d3d7e4baedea2c2415d66cf20398f39ca5801952b44c86d06d71dc2d3e6b176094d64432c1331bd9637a1df51f95ff
- SSDEEP 12288:ISvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:DvO2xJKRw2kOkx2LFRvcUQPK
- TLSH T174055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/4632-0-0x0000000000510000-0x000000000059C000-memory.dmp UPX behavioral2/files/0x001f0000000118e7-2.dat UPX behavioral2/memory/1224-3-0x0000000000AC0000-0x0000000000B4C000-memory.dmp UPX behavioral2/memory/4632-15-0x0000000000510000-0x000000000059C000-memory.dmp UPX behavioral2/memory/1224-16-0x0000000000AC0000-0x0000000000B4C000-memory.dmp UPX behavioral2/memory/1224-36-0x0000000000AC0000-0x0000000000B4C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 1224 8bebff1a - 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 4632 2026-08-23_b5d2b02900af9c58af95e0c9811b3165_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 3 223.5.5.5 4632 2026-08-23_b5d2b02900af9c58af95e0c9811b3165_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 19 114.114.114.114 4632 2026-08-23_b5d2b02900af9c58af95e0c9811b3165_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 20 223.5.5.5 4632 2026-08-23_b5d2b02900af9c58af95e0c9811b3165_amadey_coinminer_elex_remcos_smoke-loader_stop.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 8bebff1a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 8bebff1a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 8bebff1a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 8bebff1a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 8bebff1a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 8bebff1a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 8bebff1a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 8bebff1a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 8bebff1a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 8bebff1a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 8bebff1a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 8bebff1a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 8bebff1a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 8bebff1a File created C:\Windows\SysWOW64\8bebff1a 2026-08-23_b5d2b02900af9c58af95e0c9811b3165_amadey_coinminer_elex_remcos_smoke-loader_stop.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 8bebff1a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 8bebff1a -
resource yara_rule behavioral2/memory/4632-0-0x0000000000510000-0x000000000059C000-memory.dmp upx behavioral2/files/0x001f0000000118e7-2.dat upx behavioral2/memory/1224-3-0x0000000000AC0000-0x0000000000B4C000-memory.dmp upx behavioral2/memory/4632-15-0x0000000000510000-0x000000000059C000-memory.dmp upx behavioral2/memory/1224-16-0x0000000000AC0000-0x0000000000B4C000-memory.dmp upx behavioral2/memory/1224-36-0x0000000000AC0000-0x0000000000B4C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\14f490 8bebff1a File opened for modification C:\Windows\4f4d30 2026-08-23_b5d2b02900af9c58af95e0c9811b3165_amadey_coinminer_elex_remcos_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 8bebff1a Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-23_b5d2b02900af9c58af95e0c9811b3165_amadey_coinminer_elex_remcos_smoke-loader_stop.exe - 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:" 8bebff1a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 8bebff1a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 8bebff1a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 8bebff1a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 8bebff1a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 8bebff1a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 8bebff1a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 8bebff1a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 8bebff1a - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 1224 8bebff1a 1224 8bebff1a 1224 8bebff1a 1224 8bebff1a 1224 8bebff1a 1224 8bebff1a 1224 8bebff1a 1224 8bebff1a 4632 2026-08-23_b5d2b02900af9c58af95e0c9811b3165_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 4632 2026-08-23_b5d2b02900af9c58af95e0c9811b3165_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 4632 2026-08-23_b5d2b02900af9c58af95e0c9811b3165_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 4632 2026-08-23_b5d2b02900af9c58af95e0c9811b3165_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 4632 2026-08-23_b5d2b02900af9c58af95e0c9811b3165_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 4632 2026-08-23_b5d2b02900af9c58af95e0c9811b3165_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 4632 2026-08-23_b5d2b02900af9c58af95e0c9811b3165_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 4632 2026-08-23_b5d2b02900af9c58af95e0c9811b3165_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 4632 2026-08-23_b5d2b02900af9c58af95e0c9811b3165_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 4632 2026-08-23_b5d2b02900af9c58af95e0c9811b3165_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 4632 2026-08-23_b5d2b02900af9c58af95e0c9811b3165_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 4632 2026-08-23_b5d2b02900af9c58af95e0c9811b3165_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 4632 2026-08-23_b5d2b02900af9c58af95e0c9811b3165_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 4632 2026-08-23_b5d2b02900af9c58af95e0c9811b3165_amadey_coinminer_elex_remcos_smoke-loader_stop.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4632 2026-08-23_b5d2b02900af9c58af95e0c9811b3165_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Token: SeTcbPrivilege 4632 2026-08-23_b5d2b02900af9c58af95e0c9811b3165_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Token: SeDebugPrivilege 1224 8bebff1a Token: SeTcbPrivilege 1224 8bebff1a
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-23_b5d2b02900af9c58af95e0c9811b3165_amadey_coinminer_elex_remcos_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-23_b5d2b02900af9c58af95e0c9811b3165_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:4632
-
C:\Windows\Syswow64\8bebff1aC:\Windows\Syswow64\8bebff1a1⤵
- 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:1224
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\8bebff1a
- Size 830KB
- SHA256 307249da9c8f1313c95325a52aac36d8698dff0b5ab3e55f3585ef5114c54952
- MD5 cfcbd11d75ea6e3695f9ff05cd564b5b
- SHA1 51f156098e4db7cd6ccce51501cad5a49030d82f
- SHA512 8724945b5cb6abcbaab6633bcf766dc985ecb59576e8e53c81ed8e340b612536686ee9371df0c53f8b03b196f2d2e37336854512f3bc40f546400cd7993206b1
- SSDEEP 12288:cSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:vvO2xJKRw2kOkx2LFRvcUQPK
- TLSH T109055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH