Analysis
- max time kernel
149s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
17/04/2026, 17:31
Behavioral task
behavioral1
Sample
2026-04-17_6d77b71374386e8bdf8b5f3c56007855_amadey_coinminer_elex_smoke-loader_stop.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2026-04-17_6d77b71374386e8bdf8b5f3c56007855_amadey_coinminer_elex_smoke-loader_stop.exe
- Size 761KB
- Sample260417-v3vrxaet6r
- SHA256 6e7599d3a854d0aadf8081be0f5d81605ca91b3a7ef462db3a9e4de0b8898491
- MD5 6d77b71374386e8bdf8b5f3c56007855
- SHA1 a001ff7f7a56719195a14b6cdebad1d2cf2464b9
- SHA512 81aec0a2cc384678253a1690e57be051be8e29c8a9bd1d70963e4a1531de7c64036c9727f4bf57bef6d8f8aa70070d8695572c145d2f23eb4b7d2ec7725388d5
- SSDEEP 12288:6SvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:hvO2xJKRw2kOkxSkW298B
- TLSH T179F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Custom signatureUPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/3980-0-0x0000000000040000-0x00000000000CC000-memory.dmp UPX behavioral2/files/0x001a00000002b331-2.dat UPX behavioral2/memory/4204-3-0x00000000001D0000-0x000000000025C000-memory.dmp UPX behavioral2/memory/3980-18-0x0000000000040000-0x00000000000CC000-memory.dmp UPX behavioral2/memory/4204-19-0x00000000001D0000-0x000000000025C000-memory.dmp UPX behavioral2/memory/4204-24-0x00000000001D0000-0x000000000025C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4204 331f79b0 - 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 3980 2026-04-17_6d77b71374386e8bdf8b5f3c56007855_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 2 223.5.5.5 3980 2026-04-17_6d77b71374386e8bdf8b5f3c56007855_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 20 114.114.114.114 3980 2026-04-17_6d77b71374386e8bdf8b5f3c56007855_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 21 223.5.5.5 3980 2026-04-17_6d77b71374386e8bdf8b5f3c56007855_amadey_coinminer_elex_smoke-loader_stop.exe - Drops file in System32 directory 15 IoCs
description ioc Process File created C:\Windows\SysWOW64\331f79b0 2026-04-17_6d77b71374386e8bdf8b5f3c56007855_amadey_coinminer_elex_smoke-loader_stop.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 331f79b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 331f79b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 331f79b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 331f79b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 331f79b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 331f79b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 331f79b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 331f79b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 331f79b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 331f79b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 331f79b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 331f79b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 331f79b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 331f79b0 -
resource yara_rule behavioral2/memory/3980-0-0x0000000000040000-0x00000000000CC000-memory.dmp upx behavioral2/files/0x001a00000002b331-2.dat upx behavioral2/memory/4204-3-0x00000000001D0000-0x000000000025C000-memory.dmp upx behavioral2/memory/3980-18-0x0000000000040000-0x00000000000CC000-memory.dmp upx behavioral2/memory/4204-19-0x00000000001D0000-0x000000000025C000-memory.dmp upx behavioral2/memory/4204-24-0x00000000001D0000-0x000000000025C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\47f958 331f79b0 File opened for modification C:\Windows\442398 2026-04-17_6d77b71374386e8bdf8b5f3c56007855_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 2026-04-17_6d77b71374386e8bdf8b5f3c56007855_amadey_coinminer_elex_smoke-loader_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 331f79b0 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 331f79b0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 331f79b0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 331f79b0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 331f79b0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 331f79b0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 331f79b0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 331f79b0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 331f79b0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 331f79b0 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4204 331f79b0 4204 331f79b0 4204 331f79b0 4204 331f79b0 4204 331f79b0 4204 331f79b0 4204 331f79b0 4204 331f79b0 3980 2026-04-17_6d77b71374386e8bdf8b5f3c56007855_amadey_coinminer_elex_smoke-loader_stop.exe 3980 2026-04-17_6d77b71374386e8bdf8b5f3c56007855_amadey_coinminer_elex_smoke-loader_stop.exe 3980 2026-04-17_6d77b71374386e8bdf8b5f3c56007855_amadey_coinminer_elex_smoke-loader_stop.exe 3980 2026-04-17_6d77b71374386e8bdf8b5f3c56007855_amadey_coinminer_elex_smoke-loader_stop.exe 3980 2026-04-17_6d77b71374386e8bdf8b5f3c56007855_amadey_coinminer_elex_smoke-loader_stop.exe 3980 2026-04-17_6d77b71374386e8bdf8b5f3c56007855_amadey_coinminer_elex_smoke-loader_stop.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3980 2026-04-17_6d77b71374386e8bdf8b5f3c56007855_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeTcbPrivilege 3980 2026-04-17_6d77b71374386e8bdf8b5f3c56007855_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeDebugPrivilege 4204 331f79b0 Token: SeTcbPrivilege 4204 331f79b0
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-17_6d77b71374386e8bdf8b5f3c56007855_amadey_coinminer_elex_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-17_6d77b71374386e8bdf8b5f3c56007855_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:3980
-
C:\Windows\Syswow64\331f79b0C:\Windows\Syswow64\331f79b01⤵
- 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:4204
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\331f79b0
- Size 761KB
- SHA256 3b90200786868486acd9b2d24f4af39d8c93dcf0286cff559113025488e6171f
- MD5 74f101d6b724710c7b284c70dea60716
- SHA1 52dddca4d5f34d0bd67a358542015d594c587d64
- SHA512 e66f05bfd06bbd948ecd1d240cc954ceb3374d0c8e7435cfaa449ce0ce3407e5c868407f6dbc8439c8341eedda235b506cde215ae6400e541f460ad2f1fc7980
- SSDEEP 12288:QSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:LvO2xJKRw2kOkxSkW298B
- TLSH T10EF49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH