Analysis
- max time kernel
149s - max time network
152s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
25/04/2026, 15:35
Behavioral task
behavioral1
Sample
2026-04-25_1402013c94d13484abbf26e45a483829_amadey_coinminer_elex_smoke-loader_stop.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
11 signatures
150 seconds
General
- Target 2026-04-25_1402013c94d13484abbf26e45a483829_amadey_coinminer_elex_smoke-loader_stop.exe
- Size 560KB
- Sample260425-s1ea2acv2v
- SHA256 db71999bfe969c599cc2fb896608c953f6a37ab9b3db6f363b6924c08e1d62c2
- MD5 1402013c94d13484abbf26e45a483829
- SHA1 f2979b3cea3bb78be4262b3abfa191c78b1e9ed2
- SHA512 f1721b579bd4353ba2dfe3c620e6424c4bb4af68b5b5a0915d2bcb1785267c644457cb72678771d8648186dffab00b1faa690b20785385cc29956df7670ac721
- SSDEEP 6144:ZWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:ZkCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T1B7C47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Custom signatureUPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/1920-0-0x0000000000C10000-0x0000000000C9C000-memory.dmp UPX behavioral2/files/0x001e00000002b0b6-2.dat UPX behavioral2/memory/4984-3-0x0000000000BA0000-0x0000000000C2C000-memory.dmp UPX behavioral2/memory/1920-18-0x0000000000C10000-0x0000000000C9C000-memory.dmp UPX behavioral2/memory/4984-21-0x0000000000BA0000-0x0000000000C2C000-memory.dmp UPX behavioral2/memory/4984-37-0x0000000000BA0000-0x0000000000C2C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4984 8a99a313 - 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 2 223.5.5.5 1920 2026-04-25_1402013c94d13484abbf26e45a483829_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 11 114.114.114.114 1920 2026-04-25_1402013c94d13484abbf26e45a483829_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 12 223.5.5.5 1920 2026-04-25_1402013c94d13484abbf26e45a483829_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 1 114.114.114.114 1920 2026-04-25_1402013c94d13484abbf26e45a483829_amadey_coinminer_elex_smoke-loader_stop.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 8a99a313 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 8a99a313 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 8a99a313 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 8a99a313 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 8a99a313 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 8a99a313 File created C:\Windows\SysWOW64\8a99a313 2026-04-25_1402013c94d13484abbf26e45a483829_amadey_coinminer_elex_smoke-loader_stop.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 8a99a313 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 8a99a313 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 8a99a313 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 8a99a313 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 8a99a313 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 8a99a313 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 8a99a313 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 8a99a313 -
resource yara_rule behavioral2/memory/1920-0-0x0000000000C10000-0x0000000000C9C000-memory.dmp upx behavioral2/files/0x001e00000002b0b6-2.dat upx behavioral2/memory/4984-3-0x0000000000BA0000-0x0000000000C2C000-memory.dmp upx behavioral2/memory/1920-18-0x0000000000C10000-0x0000000000C9C000-memory.dmp upx behavioral2/memory/4984-21-0x0000000000BA0000-0x0000000000C2C000-memory.dmp upx behavioral2/memory/4984-37-0x0000000000BA0000-0x0000000000C2C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\5553f0 8a99a313 File opened for modification C:\Windows\20df00 2026-04-25_1402013c94d13484abbf26e45a483829_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 2026-04-25_1402013c94d13484abbf26e45a483829_amadey_coinminer_elex_smoke-loader_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8a99a313 - 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" 8a99a313 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 8a99a313 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 8a99a313 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 8a99a313 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 8a99a313 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 8a99a313 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 8a99a313 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 8a99a313 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 8a99a313 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4984 8a99a313 4984 8a99a313 4984 8a99a313 4984 8a99a313 4984 8a99a313 4984 8a99a313 4984 8a99a313 4984 8a99a313 1920 2026-04-25_1402013c94d13484abbf26e45a483829_amadey_coinminer_elex_smoke-loader_stop.exe 1920 2026-04-25_1402013c94d13484abbf26e45a483829_amadey_coinminer_elex_smoke-loader_stop.exe 1920 2026-04-25_1402013c94d13484abbf26e45a483829_amadey_coinminer_elex_smoke-loader_stop.exe 1920 2026-04-25_1402013c94d13484abbf26e45a483829_amadey_coinminer_elex_smoke-loader_stop.exe 1920 2026-04-25_1402013c94d13484abbf26e45a483829_amadey_coinminer_elex_smoke-loader_stop.exe 1920 2026-04-25_1402013c94d13484abbf26e45a483829_amadey_coinminer_elex_smoke-loader_stop.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1920 2026-04-25_1402013c94d13484abbf26e45a483829_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeTcbPrivilege 1920 2026-04-25_1402013c94d13484abbf26e45a483829_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeDebugPrivilege 4984 8a99a313 Token: SeTcbPrivilege 4984 8a99a313
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-25_1402013c94d13484abbf26e45a483829_amadey_coinminer_elex_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-25_1402013c94d13484abbf26e45a483829_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:1920
-
C:\Windows\Syswow64\8a99a313C:\Windows\Syswow64\8a99a3131⤵
- 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:4984
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\8a99a313
- Size 560KB
- SHA256 8c65f06ca48d8bc1c4ddc6b3694d17c0dbe5d5c6e598613ac5d802f51d473b8c
- MD5 c55df8f3b183b9c5daf3fcd57aee3da6
- SHA1 1f05c7da3cd551f8945ff392fc06ef08535c0ae8
- SHA512 0758031246e705a4cf952483176c14ba3488b67b9721d085d80a07e23cfc66b01a5f04d906e60e470823ec63b8093bb0804172a3ddcc7b06fa635ab69d6e8ac3
- SSDEEP 6144:XWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:XkCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T136C47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH