Analysis
- max time kernel
148s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
18/07/2026, 07:31
Behavioral task
behavioral1
Sample
2026-07-18_78cf8ceea339c45907544029a2d0901a_amadey_coinminer_elex_remcos_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2026-07-18_78cf8ceea339c45907544029a2d0901a_amadey_coinminer_elex_remcos_smoke-loader.exe
- Size 576KB
- Sample260718-jcegfsfx71
- SHA256 05896bb6c98139ab43d6423c870283e55477620e466ce164fec1a0d0e47ca6a0
- MD5 78cf8ceea339c45907544029a2d0901a
- SHA1 469ee6db5ec16c7933e193d8d731c6b902a5b522
- SHA512 4b1321b0707baa4da5e7b6150809c4b4248cb59e00a25e8caaf6ff20590d65e08388200a1604628b8a064d34dfb6c525464735092671d5eb7949d1a98a4bf58e
- SSDEEP 12288:tqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:tjHPOSOkx2LFscUQPK
- TLSH T18EC47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 9 IoCs
resource yara_rule behavioral2/memory/2380-0-0x0000000000370000-0x00000000003F9000-memory.dmp UPX behavioral2/files/0x000a00000001b315-2.dat UPX behavioral2/memory/5124-3-0x0000000000A20000-0x0000000000AA9000-memory.dmp UPX behavioral2/memory/2380-16-0x0000000000370000-0x00000000003F9000-memory.dmp UPX behavioral2/memory/5124-18-0x0000000000A20000-0x0000000000AA9000-memory.dmp UPX behavioral2/memory/5124-22-0x0000000000A20000-0x0000000000AA9000-memory.dmp UPX behavioral2/memory/2380-37-0x0000000000370000-0x00000000003F9000-memory.dmp UPX behavioral2/memory/5124-38-0x0000000000A20000-0x0000000000AA9000-memory.dmp UPX behavioral2/memory/2380-47-0x0000000000370000-0x00000000003F9000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 5124 81043d20 - 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 18 223.5.5.5 2380 2026-07-18_78cf8ceea339c45907544029a2d0901a_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 1 114.114.114.114 2380 2026-07-18_78cf8ceea339c45907544029a2d0901a_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 4 223.5.5.5 2380 2026-07-18_78cf8ceea339c45907544029a2d0901a_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 17 114.114.114.114 2380 2026-07-18_78cf8ceea339c45907544029a2d0901a_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 81043d20 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 81043d20 File created C:\Windows\SysWOW64\81043d20 2026-07-18_78cf8ceea339c45907544029a2d0901a_amadey_coinminer_elex_remcos_smoke-loader.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 81043d20 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 81043d20 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 81043d20 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 81043d20 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 81043d20 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 81043d20 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 81043d20 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 81043d20 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 81043d20 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 81043d20 -
resource yara_rule behavioral2/memory/2380-0-0x0000000000370000-0x00000000003F9000-memory.dmp upx behavioral2/files/0x000a00000001b315-2.dat upx behavioral2/memory/5124-3-0x0000000000A20000-0x0000000000AA9000-memory.dmp upx behavioral2/memory/2380-16-0x0000000000370000-0x00000000003F9000-memory.dmp upx behavioral2/memory/5124-18-0x0000000000A20000-0x0000000000AA9000-memory.dmp upx behavioral2/memory/5124-22-0x0000000000A20000-0x0000000000AA9000-memory.dmp upx behavioral2/memory/2380-37-0x0000000000370000-0x00000000003F9000-memory.dmp upx behavioral2/memory/5124-38-0x0000000000A20000-0x0000000000AA9000-memory.dmp upx behavioral2/memory/2380-47-0x0000000000370000-0x00000000003F9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\57b988 81043d20 File opened for modification C:\Windows\28bf18 2026-07-18_78cf8ceea339c45907544029a2d0901a_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 81043d20 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-07-18_78cf8ceea339c45907544029a2d0901a_amadey_coinminer_elex_remcos_smoke-loader.exe - 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\History\CachePrefix = "Visited:" 81043d20 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 81043d20 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 81043d20 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 81043d20 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 81043d20 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 81043d20 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 81043d20 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 81043d20 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 81043d20 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5124 81043d20 5124 81043d20 5124 81043d20 5124 81043d20 5124 81043d20 5124 81043d20 5124 81043d20 5124 81043d20 2380 2026-07-18_78cf8ceea339c45907544029a2d0901a_amadey_coinminer_elex_remcos_smoke-loader.exe 2380 2026-07-18_78cf8ceea339c45907544029a2d0901a_amadey_coinminer_elex_remcos_smoke-loader.exe 2380 2026-07-18_78cf8ceea339c45907544029a2d0901a_amadey_coinminer_elex_remcos_smoke-loader.exe 2380 2026-07-18_78cf8ceea339c45907544029a2d0901a_amadey_coinminer_elex_remcos_smoke-loader.exe 2380 2026-07-18_78cf8ceea339c45907544029a2d0901a_amadey_coinminer_elex_remcos_smoke-loader.exe 2380 2026-07-18_78cf8ceea339c45907544029a2d0901a_amadey_coinminer_elex_remcos_smoke-loader.exe 2380 2026-07-18_78cf8ceea339c45907544029a2d0901a_amadey_coinminer_elex_remcos_smoke-loader.exe 2380 2026-07-18_78cf8ceea339c45907544029a2d0901a_amadey_coinminer_elex_remcos_smoke-loader.exe 2380 2026-07-18_78cf8ceea339c45907544029a2d0901a_amadey_coinminer_elex_remcos_smoke-loader.exe 2380 2026-07-18_78cf8ceea339c45907544029a2d0901a_amadey_coinminer_elex_remcos_smoke-loader.exe 2380 2026-07-18_78cf8ceea339c45907544029a2d0901a_amadey_coinminer_elex_remcos_smoke-loader.exe 2380 2026-07-18_78cf8ceea339c45907544029a2d0901a_amadey_coinminer_elex_remcos_smoke-loader.exe 2380 2026-07-18_78cf8ceea339c45907544029a2d0901a_amadey_coinminer_elex_remcos_smoke-loader.exe 2380 2026-07-18_78cf8ceea339c45907544029a2d0901a_amadey_coinminer_elex_remcos_smoke-loader.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2380 2026-07-18_78cf8ceea339c45907544029a2d0901a_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeTcbPrivilege 2380 2026-07-18_78cf8ceea339c45907544029a2d0901a_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeDebugPrivilege 5124 81043d20 Token: SeTcbPrivilege 5124 81043d20
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-18_78cf8ceea339c45907544029a2d0901a_amadey_coinminer_elex_remcos_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-18_78cf8ceea339c45907544029a2d0901a_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:2380
-
C:\Windows\Syswow64\81043d20C:\Windows\Syswow64\81043d201⤵
- 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:5124
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\81043d20
- Size 576KB
- SHA256 3462a7be41faffdc509e08ead8f08cffefa00528ed80ac841c76d31020d2f15e
- MD5 ff9aec17a944161a154a16db43e10ecb
- SHA1 80152e090667462a6bbeca8f3d2dca79d31c86b9
- SHA512 464e8659641f31ac2ee91cf3857caea1e99b78711ee6b6abb430000488c54bd7ade700391de451bb5cc512a4e2ae5ded608ffc02d1c43936af18eeaed5e18be6
- SSDEEP 12288:uqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:ujHPOSOkx2LFscUQPK
- TLSH T16EC47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH