Analysis
- max time kernel
150s - 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
13/08/2026, 16:53
Behavioral task
behavioral1
Sample
2026-08-13_1a531235df33961139bccdafced19987_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
Resource
win10v2004-20260513-en
10 signatures
150 seconds
General
- Target 2026-08-13_1a531235df33961139bccdafced19987_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
- Size 830KB
- Sample260813-vecw7attfv
- SHA256 de4a374513c874e66897ae5f3d04996220dc14fe51af59c612c5ac05dc01541d
- MD5 1a531235df33961139bccdafced19987
- SHA1 ff959d8a4cf2f3ac64922913acacc331a5e7ca65
- SHA512 0d9345723149579b700e9b7d1c419095794ac77b12d109e6a69f0915b6649e7038bff2f3b4c9e9bf224089edb0164fc3c7239b47f1cb156783ad09a6547d1bfc
- SSDEEP 12288:jSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:WvO2xJKRw2kOkx2LFRvcUQPK
- TLSH T17D055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/5764-0-0x0000000000D30000-0x0000000000DBC000-memory.dmp UPX behavioral2/files/0x0009000000019cb3-4.dat UPX behavioral2/memory/4268-3-0x00000000009A0000-0x0000000000A2C000-memory.dmp UPX behavioral2/memory/5764-18-0x0000000000D30000-0x0000000000DBC000-memory.dmp UPX behavioral2/memory/4268-19-0x00000000009A0000-0x0000000000A2C000-memory.dmp UPX behavioral2/memory/4268-34-0x00000000009A0000-0x0000000000A2C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4268 260d6300 - 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 5764 2026-08-13_1a531235df33961139bccdafced19987_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 4 223.5.5.5 5764 2026-08-13_1a531235df33961139bccdafced19987_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 19 114.114.114.114 5764 2026-08-13_1a531235df33961139bccdafced19987_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 20 223.5.5.5 5764 2026-08-13_1a531235df33961139bccdafced19987_amadey_coinminer_elex_remcos_smoke-loader_stop.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 260d6300 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 260d6300 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 260d6300 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 260d6300 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 260d6300 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 260d6300 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 260d6300 File created C:\Windows\SysWOW64\260d6300 2026-08-13_1a531235df33961139bccdafced19987_amadey_coinminer_elex_remcos_smoke-loader_stop.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 260d6300 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 260d6300 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 260d6300 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 260d6300 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 260d6300 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 260d6300 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 260d6300 -
resource yara_rule behavioral2/memory/5764-0-0x0000000000D30000-0x0000000000DBC000-memory.dmp upx behavioral2/files/0x0009000000019cb3-4.dat upx behavioral2/memory/4268-3-0x00000000009A0000-0x0000000000A2C000-memory.dmp upx behavioral2/memory/5764-18-0x0000000000D30000-0x0000000000DBC000-memory.dmp upx behavioral2/memory/4268-19-0x00000000009A0000-0x0000000000A2C000-memory.dmp upx behavioral2/memory/4268-34-0x00000000009A0000-0x0000000000A2C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4911d8 260d6300 File opened for modification C:\Windows\62ae88 2026-08-13_1a531235df33961139bccdafced19987_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 2026-08-13_1a531235df33961139bccdafced19987_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 260d6300 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 260d6300 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 260d6300 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 260d6300 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 260d6300 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 260d6300 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 260d6300 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 260d6300 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 260d6300 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 260d6300 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4268 260d6300 4268 260d6300 4268 260d6300 4268 260d6300 4268 260d6300 4268 260d6300 4268 260d6300 4268 260d6300 5764 2026-08-13_1a531235df33961139bccdafced19987_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 5764 2026-08-13_1a531235df33961139bccdafced19987_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 5764 2026-08-13_1a531235df33961139bccdafced19987_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 5764 2026-08-13_1a531235df33961139bccdafced19987_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 5764 2026-08-13_1a531235df33961139bccdafced19987_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 5764 2026-08-13_1a531235df33961139bccdafced19987_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 5764 2026-08-13_1a531235df33961139bccdafced19987_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 5764 2026-08-13_1a531235df33961139bccdafced19987_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 5764 2026-08-13_1a531235df33961139bccdafced19987_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 5764 2026-08-13_1a531235df33961139bccdafced19987_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 5764 2026-08-13_1a531235df33961139bccdafced19987_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 5764 2026-08-13_1a531235df33961139bccdafced19987_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 5764 2026-08-13_1a531235df33961139bccdafced19987_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 5764 2026-08-13_1a531235df33961139bccdafced19987_amadey_coinminer_elex_remcos_smoke-loader_stop.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5764 2026-08-13_1a531235df33961139bccdafced19987_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Token: SeTcbPrivilege 5764 2026-08-13_1a531235df33961139bccdafced19987_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Token: SeDebugPrivilege 4268 260d6300 Token: SeTcbPrivilege 4268 260d6300
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-13_1a531235df33961139bccdafced19987_amadey_coinminer_elex_remcos_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-13_1a531235df33961139bccdafced19987_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:5764
-
C:\Windows\Syswow64\260d6300C:\Windows\Syswow64\260d63001⤵
- 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:4268
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\260d6300
- Size 830KB
- SHA256 d2cd432ba8fc8e2a2275db5a0442761d6b789e01bd1038bfb068971b56a6d8c2
- MD5 8797059f1b7376ec578e6b5055cd0cde
- SHA1 e20ceaeae59079a75f70163383f60c2288bbc354
- SHA512 b99e10d3cecd173074f7ddabec1f8e96768c5f2e0dc628cdc9f280b049a6c626ceec23339f32d9afaf78efa6ea1d311583e6f25dad68536ec10bd227c6bb520c
- SSDEEP 12288:fSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:qvO2xJKRw2kOkx2LFRvcUQPK
- TLSH T124055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH