Analysis
- max time kernel
148s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/08/2026, 18:19
Behavioral task
behavioral1
Sample
2026-08-09_a71cb688933ca63894edf617dfca250f_amadey_coinminer_elex_smoke-loader_stop.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2026-08-09_a71cb688933ca63894edf617dfca250f_amadey_coinminer_elex_smoke-loader_stop.exe
- Size 761KB
- Sample260809-wyk8catcla
- SHA256 984dc989092d91996a28992c40fd67c7afb08712f57160c1edca519eae881e1e
- MD5 a71cb688933ca63894edf617dfca250f
- SHA1 0247a94349c02797319875ede2ecfaac8170eb0e
- SHA512 5ccb923b9b0338dcb334f6ffb00d9d65710edb1610d04eeb239ebe2a76dbb979cd949933da9b7d3245c82888234d577d1e2f3ef1241ff84aa3fb4d27065922f0
- SSDEEP 12288:HSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:yvO2xJKRw2kOkxSkW298B
- TLSH T1F4F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/1916-0-0x00000000008F0000-0x000000000097C000-memory.dmp UPX behavioral2/files/0x000a000000019cc9-2.dat UPX behavioral2/memory/4828-4-0x00000000007C0000-0x000000000084C000-memory.dmp UPX behavioral2/memory/1916-10-0x00000000008F0000-0x000000000097C000-memory.dmp UPX behavioral2/memory/4828-11-0x00000000007C0000-0x000000000084C000-memory.dmp UPX behavioral2/memory/4828-26-0x00000000007C0000-0x000000000084C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4828 813dd91b - 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 1916 2026-08-09_a71cb688933ca63894edf617dfca250f_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 2 223.5.5.5 1916 2026-08-09_a71cb688933ca63894edf617dfca250f_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 19 114.114.114.114 1916 2026-08-09_a71cb688933ca63894edf617dfca250f_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 20 223.5.5.5 1916 2026-08-09_a71cb688933ca63894edf617dfca250f_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\Local\Microsoft\Windows\INetCookies 813dd91b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 813dd91b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 813dd91b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 813dd91b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 813dd91b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 813dd91b File created C:\Windows\SysWOW64\813dd91b 2026-08-09_a71cb688933ca63894edf617dfca250f_amadey_coinminer_elex_smoke-loader_stop.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 813dd91b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 813dd91b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 813dd91b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 813dd91b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 813dd91b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 813dd91b -
resource yara_rule behavioral2/memory/1916-0-0x00000000008F0000-0x000000000097C000-memory.dmp upx behavioral2/files/0x000a000000019cc9-2.dat upx behavioral2/memory/4828-4-0x00000000007C0000-0x000000000084C000-memory.dmp upx behavioral2/memory/1916-10-0x00000000008F0000-0x000000000097C000-memory.dmp upx behavioral2/memory/4828-11-0x00000000007C0000-0x000000000084C000-memory.dmp upx behavioral2/memory/4828-26-0x00000000007C0000-0x000000000084C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\52a838 813dd91b File opened for modification C:\Windows\20cd78 2026-08-09_a71cb688933ca63894edf617dfca250f_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 2026-08-09_a71cb688933ca63894edf617dfca250f_amadey_coinminer_elex_smoke-loader_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 813dd91b - 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 813dd91b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 813dd91b Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 813dd91b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 813dd91b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 813dd91b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 813dd91b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 813dd91b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 813dd91b Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 813dd91b - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4828 813dd91b 4828 813dd91b 4828 813dd91b 4828 813dd91b 4828 813dd91b 4828 813dd91b 4828 813dd91b 4828 813dd91b 1916 2026-08-09_a71cb688933ca63894edf617dfca250f_amadey_coinminer_elex_smoke-loader_stop.exe 1916 2026-08-09_a71cb688933ca63894edf617dfca250f_amadey_coinminer_elex_smoke-loader_stop.exe 1916 2026-08-09_a71cb688933ca63894edf617dfca250f_amadey_coinminer_elex_smoke-loader_stop.exe 1916 2026-08-09_a71cb688933ca63894edf617dfca250f_amadey_coinminer_elex_smoke-loader_stop.exe 1916 2026-08-09_a71cb688933ca63894edf617dfca250f_amadey_coinminer_elex_smoke-loader_stop.exe 1916 2026-08-09_a71cb688933ca63894edf617dfca250f_amadey_coinminer_elex_smoke-loader_stop.exe 1916 2026-08-09_a71cb688933ca63894edf617dfca250f_amadey_coinminer_elex_smoke-loader_stop.exe 1916 2026-08-09_a71cb688933ca63894edf617dfca250f_amadey_coinminer_elex_smoke-loader_stop.exe 1916 2026-08-09_a71cb688933ca63894edf617dfca250f_amadey_coinminer_elex_smoke-loader_stop.exe 1916 2026-08-09_a71cb688933ca63894edf617dfca250f_amadey_coinminer_elex_smoke-loader_stop.exe 1916 2026-08-09_a71cb688933ca63894edf617dfca250f_amadey_coinminer_elex_smoke-loader_stop.exe 1916 2026-08-09_a71cb688933ca63894edf617dfca250f_amadey_coinminer_elex_smoke-loader_stop.exe 1916 2026-08-09_a71cb688933ca63894edf617dfca250f_amadey_coinminer_elex_smoke-loader_stop.exe 1916 2026-08-09_a71cb688933ca63894edf617dfca250f_amadey_coinminer_elex_smoke-loader_stop.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1916 2026-08-09_a71cb688933ca63894edf617dfca250f_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeTcbPrivilege 1916 2026-08-09_a71cb688933ca63894edf617dfca250f_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeDebugPrivilege 4828 813dd91b Token: SeTcbPrivilege 4828 813dd91b
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-09_a71cb688933ca63894edf617dfca250f_amadey_coinminer_elex_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-09_a71cb688933ca63894edf617dfca250f_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:1916
-
C:\Windows\Syswow64\813dd91bC:\Windows\Syswow64\813dd91b1⤵
- 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:4828
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\813dd91b
- Size 761KB
- SHA256 e0f1ba74299ed370d18f9810b74907905e89b94ba27c16ee9046e7f18ca2eb98
- MD5 51ceb05604f678fa1905b394baafd764
- SHA1 d485ab2999478f6e793ae521d4a6a5ebba9bf9c8
- SHA512 7e4bab4e06602226981b7a164236b1395c50eb0350e1e427387e8535f4e8ef3846d7c8dccdcb56b2e484f565fd58f9b7b44d9b2bb35bfbc7f708b5bd45d5dd55
- SSDEEP 12288:YSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:zvO2xJKRw2kOkxSkW298B
- TLSH T13EF49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH