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
09/05/2026, 04:28
Behavioral task
behavioral1
Sample
2026-05-09_5ce923abac20d6e8e7a427f4b43a5833_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2026-05-09_5ce923abac20d6e8e7a427f4b43a5833_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
- Size 830KB
- Sample260509-e336aaaw5y
- SHA256 061d63cd4de03f3451f50f9546af853cee62718fb9bc8448781785bc2d4ac72f
- MD5 5ce923abac20d6e8e7a427f4b43a5833
- SHA1 7383879995b689c75198de6ddb724d60c15efa60
- SHA512 ce5ea9585ecddbc5838e3f84add7741098548fa6133a5d09402fbda221f7ae567e97fa58162bff6b8f9ede8c37a8688dc865a82cb08623920f93d2bf74225d50
- SSDEEP 12288:NSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:MvO2xJKRw2kOkx2LFRvcUQPK
- TLSH T1CC055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Custom signatureUPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/3928-0-0x00000000000F0000-0x000000000017C000-memory.dmp UPX behavioral2/memory/4176-3-0x0000000000AD0000-0x0000000000B5C000-memory.dmp UPX behavioral2/files/0x002100000002b19d-2.dat UPX behavioral2/memory/3928-18-0x00000000000F0000-0x000000000017C000-memory.dmp UPX behavioral2/memory/4176-19-0x0000000000AD0000-0x0000000000B5C000-memory.dmp UPX behavioral2/memory/4176-30-0x0000000000AD0000-0x0000000000B5C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4176 8a1249a5 - Unexpected DNS network traffic destination 6 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 65 223.5.5.5 3928 2026-05-09_5ce923abac20d6e8e7a427f4b43a5833_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 1 114.114.114.114 3928 2026-05-09_5ce923abac20d6e8e7a427f4b43a5833_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 2 223.5.5.5 3928 2026-05-09_5ce923abac20d6e8e7a427f4b43a5833_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 16 114.114.114.114 3928 2026-05-09_5ce923abac20d6e8e7a427f4b43a5833_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 17 223.5.5.5 3928 2026-05-09_5ce923abac20d6e8e7a427f4b43a5833_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 64 114.114.114.114 3928 2026-05-09_5ce923abac20d6e8e7a427f4b43a5833_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\LocalLow\Microsoft 8a1249a5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 8a1249a5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 8a1249a5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 8a1249a5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 8a1249a5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 8a1249a5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 8a1249a5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 8a1249a5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 8a1249a5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 8a1249a5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 8a1249a5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 8a1249a5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 8a1249a5 File created C:\Windows\SysWOW64\8a1249a5 2026-05-09_5ce923abac20d6e8e7a427f4b43a5833_amadey_coinminer_elex_remcos_smoke-loader_stop.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 8a1249a5 -
resource yara_rule behavioral2/memory/3928-0-0x00000000000F0000-0x000000000017C000-memory.dmp upx behavioral2/memory/4176-3-0x0000000000AD0000-0x0000000000B5C000-memory.dmp upx behavioral2/files/0x002100000002b19d-2.dat upx behavioral2/memory/3928-18-0x00000000000F0000-0x000000000017C000-memory.dmp upx behavioral2/memory/4176-19-0x0000000000AD0000-0x0000000000B5C000-memory.dmp upx behavioral2/memory/4176-30-0x0000000000AD0000-0x0000000000B5C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\433fb0 2026-05-09_5ce923abac20d6e8e7a427f4b43a5833_amadey_coinminer_elex_remcos_smoke-loader_stop.exe File opened for modification C:\Windows\477ea0 8a1249a5 - 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 2026-05-09_5ce923abac20d6e8e7a427f4b43a5833_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8a1249a5 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 8a1249a5 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 8a1249a5 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 8a1249a5 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 8a1249a5 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 8a1249a5 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 8a1249a5 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 8a1249a5 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 8a1249a5 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 8a1249a5 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4176 8a1249a5 4176 8a1249a5 4176 8a1249a5 4176 8a1249a5 4176 8a1249a5 4176 8a1249a5 4176 8a1249a5 4176 8a1249a5 3928 2026-05-09_5ce923abac20d6e8e7a427f4b43a5833_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 3928 2026-05-09_5ce923abac20d6e8e7a427f4b43a5833_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 3928 2026-05-09_5ce923abac20d6e8e7a427f4b43a5833_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 3928 2026-05-09_5ce923abac20d6e8e7a427f4b43a5833_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 3928 2026-05-09_5ce923abac20d6e8e7a427f4b43a5833_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 3928 2026-05-09_5ce923abac20d6e8e7a427f4b43a5833_amadey_coinminer_elex_remcos_smoke-loader_stop.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3928 2026-05-09_5ce923abac20d6e8e7a427f4b43a5833_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Token: SeTcbPrivilege 3928 2026-05-09_5ce923abac20d6e8e7a427f4b43a5833_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Token: SeDebugPrivilege 4176 8a1249a5 Token: SeTcbPrivilege 4176 8a1249a5
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-09_5ce923abac20d6e8e7a427f4b43a5833_amadey_coinminer_elex_remcos_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-09_5ce923abac20d6e8e7a427f4b43a5833_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:3928
-
C:\Windows\Syswow64\8a1249a5C:\Windows\Syswow64\8a1249a51⤵
- 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:4176
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\8a1249a5
- Size 830KB
- SHA256 4ac73ab3038cdd32a521ffedd4e9993e57f8a026189e6ccbcce277b46e1623f2
- MD5 2facfef180b0b33e0705a2cb2d212604
- SHA1 bbdad81e6bc363bd7e3f46d2e2cc1a8c5d36a79f
- SHA512 4b922aa1e13634c379de5fd5402aaa0e36f24396b9a872467bad46fa447646289db4bf8a1834d1f171b9894e69656ac199d81e94bd6eb3c138b96bc26ce07871
- SSDEEP 12288:oSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:jvO2xJKRw2kOkx2LFRvcUQPK
- TLSH T134055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH