Analysis
- max time kernel
149s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
03/08/2026, 14:58
Behavioral task
behavioral1
Sample
2026-08-03_2403d8d2d9145b6f57a005e2569f6ca9_amadey_coinminer_elex_remcos_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2026-08-03_2403d8d2d9145b6f57a005e2569f6ca9_amadey_coinminer_elex_remcos_smoke-loader.exe
- Size 618KB
- Sample260803-sb5fxssdne
- SHA256 afb894a1e9619e544b8c8981c310de31d2d6b8be6326b2f25f9a304c606105cc
- MD5 2403d8d2d9145b6f57a005e2569f6ca9
- SHA1 a1eaf74d9bc8b6b94cc77e11e88106c0ecef3b77
- SHA512 2c4b4abbf518d267521f781ac3d47a18a01e356cc94d4e7b661915ba0a8db6413928bf998a26711afb28ae74af3f009ae11abde644bce938d71f367ababcc493
- SSDEEP 12288:DqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:DjHPOSOkx2LFscUQPxW
- TLSH T195D47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 10 IoCs
resource yara_rule behavioral2/memory/5996-0-0x00000000000E0000-0x0000000000169000-memory.dmp UPX behavioral2/files/0x000d000000016cdc-2.dat UPX behavioral2/memory/4184-3-0x0000000000230000-0x00000000002B9000-memory.dmp UPX behavioral2/memory/5996-10-0x00000000000E0000-0x0000000000169000-memory.dmp UPX behavioral2/memory/4184-12-0x0000000000230000-0x00000000002B9000-memory.dmp UPX behavioral2/memory/5996-30-0x00000000000E0000-0x0000000000169000-memory.dmp UPX behavioral2/memory/4184-31-0x0000000000230000-0x00000000002B9000-memory.dmp UPX behavioral2/memory/4184-36-0x0000000000230000-0x00000000002B9000-memory.dmp UPX behavioral2/memory/5996-51-0x00000000000E0000-0x0000000000169000-memory.dmp UPX behavioral2/memory/5996-55-0x00000000000E0000-0x0000000000169000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4184 29ab83 - 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 3 114.114.114.114 5996 2026-08-03_2403d8d2d9145b6f57a005e2569f6ca9_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 5 223.5.5.5 5996 2026-08-03_2403d8d2d9145b6f57a005e2569f6ca9_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 14 114.114.114.114 5996 2026-08-03_2403d8d2d9145b6f57a005e2569f6ca9_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 15 223.5.5.5 5996 2026-08-03_2403d8d2d9145b6f57a005e2569f6ca9_amadey_coinminer_elex_remcos_smoke-loader.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 29ab83 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 29ab83 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 29ab83 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 29ab83 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 29ab83 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 29ab83 File created C:\Windows\SysWOW64\29ab83 2026-08-03_2403d8d2d9145b6f57a005e2569f6ca9_amadey_coinminer_elex_remcos_smoke-loader.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 29ab83 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 29ab83 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 29ab83 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 29ab83 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 29ab83 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 29ab83 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 29ab83 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 29ab83 -
resource yara_rule behavioral2/memory/5996-0-0x00000000000E0000-0x0000000000169000-memory.dmp upx behavioral2/files/0x000d000000016cdc-2.dat upx behavioral2/memory/4184-3-0x0000000000230000-0x00000000002B9000-memory.dmp upx behavioral2/memory/5996-10-0x00000000000E0000-0x0000000000169000-memory.dmp upx behavioral2/memory/4184-12-0x0000000000230000-0x00000000002B9000-memory.dmp upx behavioral2/memory/5996-30-0x00000000000E0000-0x0000000000169000-memory.dmp upx behavioral2/memory/4184-31-0x0000000000230000-0x00000000002B9000-memory.dmp upx behavioral2/memory/4184-36-0x0000000000230000-0x00000000002B9000-memory.dmp upx behavioral2/memory/5996-51-0x00000000000E0000-0x0000000000169000-memory.dmp upx behavioral2/memory/5996-55-0x00000000000E0000-0x0000000000169000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\47a1b0 29ab83 File opened for modification C:\Windows\66a758 2026-08-03_2403d8d2d9145b6f57a005e2569f6ca9_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 2026-08-03_2403d8d2d9145b6f57a005e2569f6ca9_amadey_coinminer_elex_remcos_smoke-loader.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 29ab83 - 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:" 29ab83 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 29ab83 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 29ab83 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 29ab83 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 29ab83 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 29ab83 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 29ab83 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 29ab83 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 29ab83 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4184 29ab83 4184 29ab83 4184 29ab83 4184 29ab83 4184 29ab83 4184 29ab83 4184 29ab83 4184 29ab83 5996 2026-08-03_2403d8d2d9145b6f57a005e2569f6ca9_amadey_coinminer_elex_remcos_smoke-loader.exe 5996 2026-08-03_2403d8d2d9145b6f57a005e2569f6ca9_amadey_coinminer_elex_remcos_smoke-loader.exe 5996 2026-08-03_2403d8d2d9145b6f57a005e2569f6ca9_amadey_coinminer_elex_remcos_smoke-loader.exe 5996 2026-08-03_2403d8d2d9145b6f57a005e2569f6ca9_amadey_coinminer_elex_remcos_smoke-loader.exe 5996 2026-08-03_2403d8d2d9145b6f57a005e2569f6ca9_amadey_coinminer_elex_remcos_smoke-loader.exe 5996 2026-08-03_2403d8d2d9145b6f57a005e2569f6ca9_amadey_coinminer_elex_remcos_smoke-loader.exe 5996 2026-08-03_2403d8d2d9145b6f57a005e2569f6ca9_amadey_coinminer_elex_remcos_smoke-loader.exe 5996 2026-08-03_2403d8d2d9145b6f57a005e2569f6ca9_amadey_coinminer_elex_remcos_smoke-loader.exe 5996 2026-08-03_2403d8d2d9145b6f57a005e2569f6ca9_amadey_coinminer_elex_remcos_smoke-loader.exe 5996 2026-08-03_2403d8d2d9145b6f57a005e2569f6ca9_amadey_coinminer_elex_remcos_smoke-loader.exe 5996 2026-08-03_2403d8d2d9145b6f57a005e2569f6ca9_amadey_coinminer_elex_remcos_smoke-loader.exe 5996 2026-08-03_2403d8d2d9145b6f57a005e2569f6ca9_amadey_coinminer_elex_remcos_smoke-loader.exe 5996 2026-08-03_2403d8d2d9145b6f57a005e2569f6ca9_amadey_coinminer_elex_remcos_smoke-loader.exe 5996 2026-08-03_2403d8d2d9145b6f57a005e2569f6ca9_amadey_coinminer_elex_remcos_smoke-loader.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5996 2026-08-03_2403d8d2d9145b6f57a005e2569f6ca9_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeTcbPrivilege 5996 2026-08-03_2403d8d2d9145b6f57a005e2569f6ca9_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeDebugPrivilege 4184 29ab83 Token: SeTcbPrivilege 4184 29ab83
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-03_2403d8d2d9145b6f57a005e2569f6ca9_amadey_coinminer_elex_remcos_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-03_2403d8d2d9145b6f57a005e2569f6ca9_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:5996
-
C:\Windows\Syswow64\29ab83C:\Windows\Syswow64\29ab831⤵
- 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:4184
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\29ab83
- Size 618KB
- SHA256 a06a0d4a9ff7e7899876eadbd3c295e1cd889cf36ab047e51f727276fe44ae0d
- MD5 c994eefaf3975b4f0f7de6cf1c9b1f4d
- SHA1 964f6b21307ea8c3019839c63436cf29b14949fc
- SHA512 5668724d1ca9201f463a821b89a5fce67333165ab822a99b74c3151683182e5dc67e0418a4247c3f631244336c2863b450850e508d7755ff0491bdd420e181c3
- SSDEEP 12288:/qXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:/jHPOSOkx2LFscUQPxW
- TLSH T1EED47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH