Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-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
windows10-2004-x64
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 behavioral1/memory/3748-0-0x0000000000CF0000-0x0000000000D7C000-memory.dmp UPX behavioral1/files/0x000b0000000242ee-2.dat UPX behavioral1/memory/1808-4-0x0000000000D50000-0x0000000000DDC000-memory.dmp UPX behavioral1/memory/3748-10-0x0000000000CF0000-0x0000000000D7C000-memory.dmp UPX behavioral1/memory/1808-11-0x0000000000D50000-0x0000000000DDC000-memory.dmp UPX behavioral1/memory/1808-24-0x0000000000D50000-0x0000000000DDC000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 1808 269b0a09 - 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 3748 2026-08-13_1a531235df33961139bccdafced19987_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 4 223.5.5.5 3748 2026-08-13_1a531235df33961139bccdafced19987_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 31 114.114.114.114 3748 2026-08-13_1a531235df33961139bccdafced19987_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 35 223.5.5.5 3748 2026-08-13_1a531235df33961139bccdafced19987_amadey_coinminer_elex_remcos_smoke-loader_stop.exe - Drops file in System32 directory 15 IoCs
description ioc Process File created C:\Windows\SysWOW64\269b0a09 2026-08-13_1a531235df33961139bccdafced19987_amadey_coinminer_elex_remcos_smoke-loader_stop.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 269b0a09 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 269b0a09 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 269b0a09 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 269b0a09 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 269b0a09 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 269b0a09 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 269b0a09 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 269b0a09 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 269b0a09 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 269b0a09 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 269b0a09 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 269b0a09 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 269b0a09 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 269b0a09 -
resource yara_rule behavioral1/memory/3748-0-0x0000000000CF0000-0x0000000000D7C000-memory.dmp upx behavioral1/files/0x000b0000000242ee-2.dat upx behavioral1/memory/1808-4-0x0000000000D50000-0x0000000000DDC000-memory.dmp upx behavioral1/memory/3748-10-0x0000000000CF0000-0x0000000000D7C000-memory.dmp upx behavioral1/memory/1808-11-0x0000000000D50000-0x0000000000DDC000-memory.dmp upx behavioral1/memory/1808-24-0x0000000000D50000-0x0000000000DDC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\1ef420 269b0a09 File opened for modification C:\Windows\402ac8 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 269b0a09 - 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\Content\CachePrefix 269b0a09 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 269b0a09 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 269b0a09 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 269b0a09 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 269b0a09 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 269b0a09 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 269b0a09 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 269b0a09 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 269b0a09 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1808 269b0a09 1808 269b0a09 1808 269b0a09 1808 269b0a09 1808 269b0a09 1808 269b0a09 1808 269b0a09 1808 269b0a09 3748 2026-08-13_1a531235df33961139bccdafced19987_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 3748 2026-08-13_1a531235df33961139bccdafced19987_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 3748 2026-08-13_1a531235df33961139bccdafced19987_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 3748 2026-08-13_1a531235df33961139bccdafced19987_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 3748 2026-08-13_1a531235df33961139bccdafced19987_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 3748 2026-08-13_1a531235df33961139bccdafced19987_amadey_coinminer_elex_remcos_smoke-loader_stop.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3748 2026-08-13_1a531235df33961139bccdafced19987_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Token: SeTcbPrivilege 3748 2026-08-13_1a531235df33961139bccdafced19987_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Token: SeDebugPrivilege 1808 269b0a09 Token: SeTcbPrivilege 1808 269b0a09
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:3748
-
C:\Windows\Syswow64\269b0a09C:\Windows\Syswow64\269b0a091⤵
- 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:1808
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\269b0a09
- Size 830KB
- SHA256 a28cb796a00fe7451223880a31813f85b45afca66ed710bdd1091bf13de7fcef
- MD5 e0ed93b866b17215ec89c9cf1f5fc65e
- SHA1 6ef79ad4aaf4020b655050595e49bd2c49225c83
- SHA512 41f750dd38c419e522ffd42fe345da90a8c21d60dbf81fea28654fb90aa12c5061ada037628aef3aca3f9817d96c8d28025ef4719c936ab61b57637ac88293a1
- SSDEEP 12288:QSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:LvO2xJKRw2kOkx2LFRvcUQPK
- TLSH T16D055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH