Analysis
- max time kernel
150s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
09/08/2026, 04:47
Behavioral task
behavioral1
Sample
2026-08-09_e9586574b32437fc30a6b903ac65ccd6_amadey_coinminer_elex_remcos_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2026-08-09_e9586574b32437fc30a6b903ac65ccd6_amadey_coinminer_elex_remcos_smoke-loader.exe
- Size 576KB
- Sample260809-fehecatxhx
- SHA256 0f6ed2d61c2f1eb4a2b7fff9c918f6b07fa947aeb9c7aae93b18afc591c89a71
- MD5 e9586574b32437fc30a6b903ac65ccd6
- SHA1 9431a2b4651ccc3b6efcbe16a14f3c73bdfcf8b9
- SHA512 1411a30a7a3869b36ba315c489ab46f43186717a489e1cbfc4ace29ee2aa421ad836276b429214d9e8bab55ec4cfd01012c769850e8b33546b55027140168f94
- SSDEEP 12288:FqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:FjHPOSOkx2LFscUQPK
- TLSH T176C47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 10 IoCs
resource yara_rule behavioral1/memory/4308-0-0x0000000000430000-0x00000000004B9000-memory.dmp UPX behavioral1/files/0x0005000000023299-2.dat UPX behavioral1/memory/952-4-0x0000000000020000-0x00000000000A9000-memory.dmp UPX behavioral1/memory/4308-16-0x0000000000430000-0x00000000004B9000-memory.dmp UPX behavioral1/memory/952-18-0x0000000000020000-0x00000000000A9000-memory.dmp UPX behavioral1/memory/952-22-0x0000000000020000-0x00000000000A9000-memory.dmp UPX behavioral1/memory/4308-27-0x0000000000430000-0x00000000004B9000-memory.dmp UPX behavioral1/memory/952-28-0x0000000000020000-0x00000000000A9000-memory.dmp UPX behavioral1/memory/952-33-0x0000000000020000-0x00000000000A9000-memory.dmp UPX behavioral1/memory/4308-48-0x0000000000430000-0x00000000004B9000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 952 efec62ad - 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 4308 2026-08-09_e9586574b32437fc30a6b903ac65ccd6_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 4 223.5.5.5 4308 2026-08-09_e9586574b32437fc30a6b903ac65ccd6_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 38 114.114.114.114 4308 2026-08-09_e9586574b32437fc30a6b903ac65ccd6_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 39 223.5.5.5 4308 2026-08-09_e9586574b32437fc30a6b903ac65ccd6_amadey_coinminer_elex_remcos_smoke-loader.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 efec62ad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 efec62ad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies efec62ad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 efec62ad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft efec62ad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache efec62ad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 efec62ad File created C:\Windows\SysWOW64\efec62ad 2026-08-09_e9586574b32437fc30a6b903ac65ccd6_amadey_coinminer_elex_remcos_smoke-loader.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 efec62ad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE efec62ad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData efec62ad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 efec62ad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content efec62ad -
resource yara_rule behavioral1/memory/4308-0-0x0000000000430000-0x00000000004B9000-memory.dmp upx behavioral1/files/0x0005000000023299-2.dat upx behavioral1/memory/952-4-0x0000000000020000-0x00000000000A9000-memory.dmp upx behavioral1/memory/4308-16-0x0000000000430000-0x00000000004B9000-memory.dmp upx behavioral1/memory/952-18-0x0000000000020000-0x00000000000A9000-memory.dmp upx behavioral1/memory/952-22-0x0000000000020000-0x00000000000A9000-memory.dmp upx behavioral1/memory/4308-27-0x0000000000430000-0x00000000004B9000-memory.dmp upx behavioral1/memory/952-28-0x0000000000020000-0x00000000000A9000-memory.dmp upx behavioral1/memory/952-33-0x0000000000020000-0x00000000000A9000-memory.dmp upx behavioral1/memory/4308-48-0x0000000000430000-0x00000000004B9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\104c70 efec62ad File opened for modification C:\Windows\49c128 2026-08-09_e9586574b32437fc30a6b903ac65ccd6_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 2026-08-09_e9586574b32437fc30a6b903ac65ccd6_amadey_coinminer_elex_remcos_smoke-loader.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language efec62ad - 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 efec62ad Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" efec62ad Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ efec62ad Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" efec62ad Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" efec62ad Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing efec62ad Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" efec62ad Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" efec62ad Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" efec62ad - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 952 efec62ad 952 efec62ad 952 efec62ad 952 efec62ad 952 efec62ad 952 efec62ad 952 efec62ad 952 efec62ad 4308 2026-08-09_e9586574b32437fc30a6b903ac65ccd6_amadey_coinminer_elex_remcos_smoke-loader.exe 4308 2026-08-09_e9586574b32437fc30a6b903ac65ccd6_amadey_coinminer_elex_remcos_smoke-loader.exe 4308 2026-08-09_e9586574b32437fc30a6b903ac65ccd6_amadey_coinminer_elex_remcos_smoke-loader.exe 4308 2026-08-09_e9586574b32437fc30a6b903ac65ccd6_amadey_coinminer_elex_remcos_smoke-loader.exe 4308 2026-08-09_e9586574b32437fc30a6b903ac65ccd6_amadey_coinminer_elex_remcos_smoke-loader.exe 4308 2026-08-09_e9586574b32437fc30a6b903ac65ccd6_amadey_coinminer_elex_remcos_smoke-loader.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4308 2026-08-09_e9586574b32437fc30a6b903ac65ccd6_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeTcbPrivilege 4308 2026-08-09_e9586574b32437fc30a6b903ac65ccd6_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeDebugPrivilege 952 efec62ad Token: SeTcbPrivilege 952 efec62ad
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-09_e9586574b32437fc30a6b903ac65ccd6_amadey_coinminer_elex_remcos_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-09_e9586574b32437fc30a6b903ac65ccd6_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:4308
-
C:\Windows\Syswow64\efec62adC:\Windows\Syswow64\efec62ad1⤵
- 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:952
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\efec62ad
- Size 576KB
- SHA256 af92e67d2b5de85861d27ce3bb269ccd6ebd14a8576ab4cd7ebdc0d7360c7926
- MD5 3f3d247bce8cc3af69bb282c32ea8e1b
- SHA1 4770cd243d4f45967a57cac9eb50a7d6bf7c6e04
- SHA512 fcac28d1ec988070e43329e7884c0d6661934f92345674ad071448efc3793e4f4e5f39109045aa44ae0f0dbba77978253689042a781f7ffb18e1eb461d32ffa3
- SSDEEP 12288:3qXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:3jHPOSOkx2LFscUQPK
- TLSH T176C47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH