Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
25/04/2026, 17:04
Behavioral task
behavioral1
Sample
2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_amadey_coinminer_elex_remcos_smoke-loader.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_amadey_coinminer_elex_remcos_smoke-loader.exe
Resource
win11-20260130-en
windows11-21h2-x64
11 signatures
150 seconds
General
- Target 2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_amadey_coinminer_elex_remcos_smoke-loader.exe
- Size 576KB
- Sample260425-vll4fagy2p
- SHA256 e0c96e7ab71d1d820043639f47be5bac54cd82c4dce1f0ecefecd10f5648e5b7
- MD5 398fc36a95c8d171d63924c31ce2c0a6
- SHA1 dcdbbaf66338e8150e65c49034d83c71fac66467
- SHA512 32745a6aed0c8d57ddde8f24eb3a4b835cad31a44dd3586e365418cffbca57b1837cf543c1756a35a06a7a8368f5dcc4889c0ce0c9574ce0214eaa2b0ad3e4ec
- SSDEEP 12288:FqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:FjHPOSOkx2LFscUQPK
- TLSH T136C47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- 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/1072-0-0x0000000000DE0000-0x0000000000E69000-memory.dmp UPX behavioral2/files/0x000600000000d3f0-2.dat UPX behavioral2/memory/3540-4-0x0000000000420000-0x00000000004A9000-memory.dmp UPX behavioral2/memory/1072-10-0x0000000000DE0000-0x0000000000E69000-memory.dmp UPX behavioral2/memory/3540-15-0x0000000000420000-0x00000000004A9000-memory.dmp UPX behavioral2/memory/1072-28-0x0000000000DE0000-0x0000000000E69000-memory.dmp UPX behavioral2/memory/3540-30-0x0000000000420000-0x00000000004A9000-memory.dmp UPX behavioral2/memory/3540-39-0x0000000000420000-0x00000000004A9000-memory.dmp UPX behavioral2/memory/1072-66-0x0000000000DE0000-0x0000000000E69000-memory.dmp UPX behavioral2/memory/1072-70-0x0000000000DE0000-0x0000000000E69000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 3540 436ee5a - 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 1072 2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 2 223.5.5.5 1072 2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 6 114.114.114.114 1072 2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 7 223.5.5.5 1072 2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_amadey_coinminer_elex_remcos_smoke-loader.exe - Drops file in System32 directory 13 IoCs
description ioc Process File created C:\Windows\SysWOW64\436ee5a 2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_amadey_coinminer_elex_remcos_smoke-loader.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 436ee5a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 436ee5a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 436ee5a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 436ee5a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 436ee5a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 436ee5a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 436ee5a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 436ee5a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 436ee5a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 436ee5a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 436ee5a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 436ee5a -
resource yara_rule behavioral2/memory/1072-0-0x0000000000DE0000-0x0000000000E69000-memory.dmp upx behavioral2/files/0x000600000000d3f0-2.dat upx behavioral2/memory/3540-4-0x0000000000420000-0x00000000004A9000-memory.dmp upx behavioral2/memory/1072-10-0x0000000000DE0000-0x0000000000E69000-memory.dmp upx behavioral2/memory/3540-15-0x0000000000420000-0x00000000004A9000-memory.dmp upx behavioral2/memory/1072-28-0x0000000000DE0000-0x0000000000E69000-memory.dmp upx behavioral2/memory/3540-30-0x0000000000420000-0x00000000004A9000-memory.dmp upx behavioral2/memory/3540-39-0x0000000000420000-0x00000000004A9000-memory.dmp upx behavioral2/memory/1072-66-0x0000000000DE0000-0x0000000000E69000-memory.dmp upx behavioral2/memory/1072-70-0x0000000000DE0000-0x0000000000E69000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3c9b28 436ee5a File opened for modification C:\Windows\125a60 2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_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 2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_amadey_coinminer_elex_remcos_smoke-loader.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 436ee5a - 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\History\CachePrefix = "Visited:" 436ee5a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 436ee5a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 436ee5a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 436ee5a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 436ee5a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 436ee5a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 436ee5a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 436ee5a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 436ee5a - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA 2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_amadey_coinminer_elex_remcos_smoke-loader.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_amadey_coinminer_elex_remcos_smoke-loader.exe - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3540 436ee5a 3540 436ee5a 3540 436ee5a 3540 436ee5a 3540 436ee5a 3540 436ee5a 3540 436ee5a 3540 436ee5a 1072 2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_amadey_coinminer_elex_remcos_smoke-loader.exe 1072 2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_amadey_coinminer_elex_remcos_smoke-loader.exe 1072 2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_amadey_coinminer_elex_remcos_smoke-loader.exe 1072 2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_amadey_coinminer_elex_remcos_smoke-loader.exe 1072 2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_amadey_coinminer_elex_remcos_smoke-loader.exe 1072 2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_amadey_coinminer_elex_remcos_smoke-loader.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1072 2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeTcbPrivilege 1072 2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeDebugPrivilege 3540 436ee5a Token: SeTcbPrivilege 3540 436ee5a
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_amadey_coinminer_elex_remcos_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_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
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1072
-
C:\Windows\Syswow64\436ee5aC:\Windows\Syswow64\436ee5a1⤵
- 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:3540
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\436ee5a
- Size 576KB
- SHA256 a267d6772d90937d18e5034de772aa23296e68bea3f8bd32807b2950c0f57dbb
- MD5 17f8eb02895417099a8193c31c2bd43c
- SHA1 1dc0cdebf9336e38e8a0f8b1788e54aab59f924f
- SHA512 cbfec97fafbe44c6c8b3ff9bde644384ccf7e744e98759a826e6d07d38278e5105952c4ceec055d78ecb14e273f32616416c718fa52e0b38a23649b0cb60e21f
- SSDEEP 12288:4qXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:4jHPOSOkx2LFscUQPK
- TLSH T12AC47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH