Analysis
- max time kernel
149s - max time network
159s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
21/04/2026, 23:04
Behavioral task
behavioral1
Sample
2026-04-21_1705a1c0c3d9fea85700d9d098b84555_amadey_coinminer_elex_remcos_smoke-loader.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
11 signatures
150 seconds
General
- Target 2026-04-21_1705a1c0c3d9fea85700d9d098b84555_amadey_coinminer_elex_remcos_smoke-loader.exe
- Size 576KB
- Sample260421-22rr7agy91
- SHA256 796eeb2c98f1c9aeaf72fa16db104704fd45a8ee4c7e820677447054d403716c
- MD5 1705a1c0c3d9fea85700d9d098b84555
- SHA1 021b18a288d72144edf2db76bbfa252afa60aa28
- SHA512 5d4b54aacab1ff27a305e5519fcc67d43062bd927fc022d28d69974adf9772de90f26042be4c20961a0bde22c8c645449f3a359a28cdb31d0231b68bf93f80cd
- SSDEEP 12288:iqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:ijHPOSOkx2LFscUQPK
- TLSH T1C5C47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 10 IoCs
resource yara_rule behavioral2/memory/3988-0-0x0000000000A70000-0x0000000000AF9000-memory.dmp UPX behavioral2/files/0x002600000002b20d-2.dat UPX behavioral2/memory/4688-3-0x00000000001C0000-0x0000000000249000-memory.dmp UPX behavioral2/memory/3988-15-0x0000000000A70000-0x0000000000AF9000-memory.dmp UPX behavioral2/memory/4688-18-0x00000000001C0000-0x0000000000249000-memory.dmp UPX behavioral2/memory/3988-38-0x0000000000A70000-0x0000000000AF9000-memory.dmp UPX behavioral2/memory/4688-40-0x00000000001C0000-0x0000000000249000-memory.dmp UPX behavioral2/memory/4688-48-0x00000000001C0000-0x0000000000249000-memory.dmp UPX behavioral2/memory/3988-57-0x0000000000A70000-0x0000000000AF9000-memory.dmp UPX behavioral2/memory/3988-64-0x0000000000A70000-0x0000000000AF9000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4688 4352075 - 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 3988 2026-04-21_1705a1c0c3d9fea85700d9d098b84555_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 2 223.5.5.5 3988 2026-04-21_1705a1c0c3d9fea85700d9d098b84555_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 10 114.114.114.114 3988 2026-04-21_1705a1c0c3d9fea85700d9d098b84555_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 11 223.5.5.5 3988 2026-04-21_1705a1c0c3d9fea85700d9d098b84555_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\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 4352075 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4352075 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 4352075 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 4352075 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 4352075 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4352075 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4352075 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4352075 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 4352075 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 4352075 File created C:\Windows\SysWOW64\4352075 2026-04-21_1705a1c0c3d9fea85700d9d098b84555_amadey_coinminer_elex_remcos_smoke-loader.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 4352075 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 4352075 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 4352075 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 4352075 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 4352075 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 4352075 -
resource yara_rule behavioral2/memory/3988-0-0x0000000000A70000-0x0000000000AF9000-memory.dmp upx behavioral2/files/0x002600000002b20d-2.dat upx behavioral2/memory/4688-3-0x00000000001C0000-0x0000000000249000-memory.dmp upx behavioral2/memory/3988-15-0x0000000000A70000-0x0000000000AF9000-memory.dmp upx behavioral2/memory/4688-18-0x00000000001C0000-0x0000000000249000-memory.dmp upx behavioral2/memory/3988-38-0x0000000000A70000-0x0000000000AF9000-memory.dmp upx behavioral2/memory/4688-40-0x00000000001C0000-0x0000000000249000-memory.dmp upx behavioral2/memory/4688-48-0x00000000001C0000-0x0000000000249000-memory.dmp upx behavioral2/memory/3988-57-0x0000000000A70000-0x0000000000AF9000-memory.dmp upx behavioral2/memory/3988-64-0x0000000000A70000-0x0000000000AF9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\5042a0 4352075 File opened for modification C:\Windows\4446a8 2026-04-21_1705a1c0c3d9fea85700d9d098b84555_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 2026-04-21_1705a1c0c3d9fea85700d9d098b84555_amadey_coinminer_elex_remcos_smoke-loader.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4352075 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 4352075 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 4352075 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 4352075 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 4352075 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 4352075 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 4352075 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 4352075 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 4352075 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 4352075 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4688 4352075 4688 4352075 4688 4352075 4688 4352075 4688 4352075 4688 4352075 4688 4352075 4688 4352075 3988 2026-04-21_1705a1c0c3d9fea85700d9d098b84555_amadey_coinminer_elex_remcos_smoke-loader.exe 3988 2026-04-21_1705a1c0c3d9fea85700d9d098b84555_amadey_coinminer_elex_remcos_smoke-loader.exe 3988 2026-04-21_1705a1c0c3d9fea85700d9d098b84555_amadey_coinminer_elex_remcos_smoke-loader.exe 3988 2026-04-21_1705a1c0c3d9fea85700d9d098b84555_amadey_coinminer_elex_remcos_smoke-loader.exe 3988 2026-04-21_1705a1c0c3d9fea85700d9d098b84555_amadey_coinminer_elex_remcos_smoke-loader.exe 3988 2026-04-21_1705a1c0c3d9fea85700d9d098b84555_amadey_coinminer_elex_remcos_smoke-loader.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3988 2026-04-21_1705a1c0c3d9fea85700d9d098b84555_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeTcbPrivilege 3988 2026-04-21_1705a1c0c3d9fea85700d9d098b84555_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeDebugPrivilege 4688 4352075 Token: SeTcbPrivilege 4688 4352075
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-21_1705a1c0c3d9fea85700d9d098b84555_amadey_coinminer_elex_remcos_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-21_1705a1c0c3d9fea85700d9d098b84555_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:3988
-
C:\Windows\Syswow64\4352075C:\Windows\Syswow64\43520751⤵
- 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:4688
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\4352075
- Size 576KB
- SHA256 c59582c84696622669a2e4bfb8f051bafb11ce19bf406a665ddd524db3232715
- MD5 5c8ea703e2a9b4a4f7c1b864c3116f75
- SHA1 43610395a3eb7a2ef456f0a8b04043b920c2b470
- SHA512 5f3389171866156782e5c8c5114a17887526238df187e26d67dd4838235230b91e25c1909289ae695792b3e76530d5aff7decf156751934232223239145eefc1
- SSDEEP 12288:7qXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:7jHPOSOkx2LFscUQPK
- TLSH T1F7C47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH