Analysis
- max time kernel
150s - max time network
156s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
20/08/2026, 03:46
Behavioral task
behavioral1
Sample
2026-08-20_74b35fdf20c2928aeea727a7b9d04217_amadey_coinminer_elex_smoke-loader_stop.exe
Resource
win10v2004-20260513-en
11 signatures
150 seconds
General
- Target 2026-08-20_74b35fdf20c2928aeea727a7b9d04217_amadey_coinminer_elex_smoke-loader_stop.exe
- Size 640KB
- Sample260820-ebn72sbc52
- SHA256 f0ffac4ab32daa2e1e5075c939aabe5f7eb92e44759cee03a03ff9faa792bc7e
- MD5 74b35fdf20c2928aeea727a7b9d04217
- SHA1 de6631422bd38155eab37c49c0d718bd7bd81d2f
- SHA512 2b0d7aba3e82783aa9cc0a39e95f25240d4d3146444ca08a4e9a206da36dc0bd3a8c53e091008635027cb9442c912475d3226641ca5d63310c92dae0eb0e1566
- SSDEEP 6144:9cTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:9SvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T1E7D45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/936-0-0x0000000000580000-0x000000000060C000-memory.dmp UPX behavioral2/files/0x001200000001b303-2.dat UPX behavioral2/memory/120-3-0x0000000000060000-0x00000000000EC000-memory.dmp UPX behavioral2/memory/936-10-0x0000000000580000-0x000000000060C000-memory.dmp UPX behavioral2/memory/120-11-0x0000000000060000-0x00000000000EC000-memory.dmp UPX behavioral2/memory/120-32-0x0000000000060000-0x00000000000EC000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 120 6836e4a0 - 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 1 114.114.114.114 936 2026-08-20_74b35fdf20c2928aeea727a7b9d04217_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 3 223.5.5.5 936 2026-08-20_74b35fdf20c2928aeea727a7b9d04217_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 17 114.114.114.114 936 2026-08-20_74b35fdf20c2928aeea727a7b9d04217_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 18 223.5.5.5 936 2026-08-20_74b35fdf20c2928aeea727a7b9d04217_amadey_coinminer_elex_smoke-loader_stop.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 6836e4a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 6836e4a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 6836e4a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 6836e4a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 6836e4a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 6836e4a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 6836e4a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 6836e4a0 File created C:\Windows\SysWOW64\6836e4a0 2026-08-20_74b35fdf20c2928aeea727a7b9d04217_amadey_coinminer_elex_smoke-loader_stop.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 6836e4a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 6836e4a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 6836e4a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 6836e4a0 -
resource yara_rule behavioral2/memory/936-0-0x0000000000580000-0x000000000060C000-memory.dmp upx behavioral2/files/0x001200000001b303-2.dat upx behavioral2/memory/120-3-0x0000000000060000-0x00000000000EC000-memory.dmp upx behavioral2/memory/936-10-0x0000000000580000-0x000000000060C000-memory.dmp upx behavioral2/memory/120-11-0x0000000000060000-0x00000000000EC000-memory.dmp upx behavioral2/memory/120-32-0x0000000000060000-0x00000000000EC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\20df0 6836e4a0 File opened for modification C:\Windows\100650 2026-08-20_74b35fdf20c2928aeea727a7b9d04217_amadey_coinminer_elex_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 2026-08-20_74b35fdf20c2928aeea727a7b9d04217_amadey_coinminer_elex_smoke-loader_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6836e4a0 - 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 6836e4a0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 6836e4a0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 6836e4a0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 6836e4a0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 6836e4a0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 6836e4a0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 6836e4a0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 6836e4a0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 6836e4a0 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 120 6836e4a0 120 6836e4a0 120 6836e4a0 120 6836e4a0 120 6836e4a0 120 6836e4a0 120 6836e4a0 120 6836e4a0 936 2026-08-20_74b35fdf20c2928aeea727a7b9d04217_amadey_coinminer_elex_smoke-loader_stop.exe 936 2026-08-20_74b35fdf20c2928aeea727a7b9d04217_amadey_coinminer_elex_smoke-loader_stop.exe 936 2026-08-20_74b35fdf20c2928aeea727a7b9d04217_amadey_coinminer_elex_smoke-loader_stop.exe 936 2026-08-20_74b35fdf20c2928aeea727a7b9d04217_amadey_coinminer_elex_smoke-loader_stop.exe 936 2026-08-20_74b35fdf20c2928aeea727a7b9d04217_amadey_coinminer_elex_smoke-loader_stop.exe 936 2026-08-20_74b35fdf20c2928aeea727a7b9d04217_amadey_coinminer_elex_smoke-loader_stop.exe 936 2026-08-20_74b35fdf20c2928aeea727a7b9d04217_amadey_coinminer_elex_smoke-loader_stop.exe 936 2026-08-20_74b35fdf20c2928aeea727a7b9d04217_amadey_coinminer_elex_smoke-loader_stop.exe 936 2026-08-20_74b35fdf20c2928aeea727a7b9d04217_amadey_coinminer_elex_smoke-loader_stop.exe 936 2026-08-20_74b35fdf20c2928aeea727a7b9d04217_amadey_coinminer_elex_smoke-loader_stop.exe 936 2026-08-20_74b35fdf20c2928aeea727a7b9d04217_amadey_coinminer_elex_smoke-loader_stop.exe 936 2026-08-20_74b35fdf20c2928aeea727a7b9d04217_amadey_coinminer_elex_smoke-loader_stop.exe 936 2026-08-20_74b35fdf20c2928aeea727a7b9d04217_amadey_coinminer_elex_smoke-loader_stop.exe 936 2026-08-20_74b35fdf20c2928aeea727a7b9d04217_amadey_coinminer_elex_smoke-loader_stop.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 936 2026-08-20_74b35fdf20c2928aeea727a7b9d04217_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeTcbPrivilege 936 2026-08-20_74b35fdf20c2928aeea727a7b9d04217_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeDebugPrivilege 120 6836e4a0 Token: SeTcbPrivilege 120 6836e4a0
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-20_74b35fdf20c2928aeea727a7b9d04217_amadey_coinminer_elex_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_74b35fdf20c2928aeea727a7b9d04217_amadey_coinminer_elex_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:936
-
C:\Windows\Syswow64\6836e4a0C:\Windows\Syswow64\6836e4a01⤵
- 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:120
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\6836e4a0
- Size 640KB
- SHA256 bd3838b41dbcf3143f6daadc837f8d40a1dee00f4cdbc6ef8b31a7c0a476c275
- MD5 3835bcca4f14f94fef1168a89e90c3c2
- SHA1 67f473faf77157137c9be6f5cf9dd66ab78f31be
- SHA512 45e4c53fd19a5dfdec669414aa0719ec7faaa91b881157a38d9563eaeafae405066c17630a36d6ee99501444fdf43eb87a587e2c3be51e57a5880e1df0bc2b69
- SSDEEP 6144:ccTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:cSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T1F6D45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH