Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
20/08/2026, 05:25
Behavioral task
behavioral1
Sample
2026-08-20_c5d0f41562834af4df912db9f7cfc7aa_amadey_coinminer_elex_smoke-loader_stop.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2026-08-20_c5d0f41562834af4df912db9f7cfc7aa_amadey_coinminer_elex_smoke-loader_stop.exe
- Size 560KB
- Sample260820-f4e1hser21
- SHA256 495ea51565fb9772f89cc7fb0865576c415d8cd5f34471c57cb6d2853279ef46
- MD5 c5d0f41562834af4df912db9f7cfc7aa
- SHA1 228b20cff333fcb486e53ac1a8587261f74cd6dd
- SHA512 7cb39826c3cc00e2114efb4a194dc7474aebca506a7ed0537b77ab3bc1347b5fb0853fc3bc088977082f70abe0b0d0c79593074e37dcea08a8753469f6be5fff
- SSDEEP 6144:kgye71cE4poJTqvpQLXNKFyLWD1nFairGcEOkCybEaQRuy8K:kI7OE4kopQzNKFyLWDHsOkxHy
- TLSH T1ADC48C2AB690C076C4B7D534C5E197AAEAB17432372449CFA3D0075A1F237E2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral1/memory/992-0-0x0000000000130000-0x00000000001BC000-memory.dmp UPX behavioral1/files/0x00120000000233f3-2.dat UPX behavioral1/memory/4988-3-0x00000000008D0000-0x000000000095C000-memory.dmp UPX behavioral1/memory/992-16-0x0000000000130000-0x00000000001BC000-memory.dmp UPX behavioral1/memory/4988-17-0x00000000008D0000-0x000000000095C000-memory.dmp UPX behavioral1/memory/4988-28-0x00000000008D0000-0x000000000095C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4988 f851cc1e - 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 3 114.114.114.114 992 2026-08-20_c5d0f41562834af4df912db9f7cfc7aa_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 5 223.5.5.5 992 2026-08-20_c5d0f41562834af4df912db9f7cfc7aa_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 23 114.114.114.114 992 2026-08-20_c5d0f41562834af4df912db9f7cfc7aa_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 24 223.5.5.5 992 2026-08-20_c5d0f41562834af4df912db9f7cfc7aa_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\History\History.IE5 f851cc1e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache f851cc1e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData f851cc1e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f851cc1e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f851cc1e File created C:\Windows\SysWOW64\f851cc1e 2026-08-20_c5d0f41562834af4df912db9f7cfc7aa_amadey_coinminer_elex_smoke-loader_stop.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 f851cc1e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE f851cc1e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies f851cc1e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft f851cc1e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f851cc1e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content f851cc1e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f851cc1e -
resource yara_rule behavioral1/memory/992-0-0x0000000000130000-0x00000000001BC000-memory.dmp upx behavioral1/files/0x00120000000233f3-2.dat upx behavioral1/memory/4988-3-0x00000000008D0000-0x000000000095C000-memory.dmp upx behavioral1/memory/992-16-0x0000000000130000-0x00000000001BC000-memory.dmp upx behavioral1/memory/4988-17-0x00000000008D0000-0x000000000095C000-memory.dmp upx behavioral1/memory/4988-28-0x00000000008D0000-0x000000000095C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\556578 f851cc1e File opened for modification C:\Windows\10fbc0 2026-08-20_c5d0f41562834af4df912db9f7cfc7aa_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_c5d0f41562834af4df912db9f7cfc7aa_amadey_coinminer_elex_smoke-loader_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f851cc1e - 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:" f851cc1e Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ f851cc1e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" f851cc1e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" f851cc1e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" f851cc1e Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing f851cc1e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" f851cc1e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" f851cc1e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix f851cc1e - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4988 f851cc1e 4988 f851cc1e 4988 f851cc1e 4988 f851cc1e 4988 f851cc1e 4988 f851cc1e 4988 f851cc1e 4988 f851cc1e 992 2026-08-20_c5d0f41562834af4df912db9f7cfc7aa_amadey_coinminer_elex_smoke-loader_stop.exe 992 2026-08-20_c5d0f41562834af4df912db9f7cfc7aa_amadey_coinminer_elex_smoke-loader_stop.exe 992 2026-08-20_c5d0f41562834af4df912db9f7cfc7aa_amadey_coinminer_elex_smoke-loader_stop.exe 992 2026-08-20_c5d0f41562834af4df912db9f7cfc7aa_amadey_coinminer_elex_smoke-loader_stop.exe 992 2026-08-20_c5d0f41562834af4df912db9f7cfc7aa_amadey_coinminer_elex_smoke-loader_stop.exe 992 2026-08-20_c5d0f41562834af4df912db9f7cfc7aa_amadey_coinminer_elex_smoke-loader_stop.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 992 2026-08-20_c5d0f41562834af4df912db9f7cfc7aa_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeTcbPrivilege 992 2026-08-20_c5d0f41562834af4df912db9f7cfc7aa_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeDebugPrivilege 4988 f851cc1e Token: SeTcbPrivilege 4988 f851cc1e
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-20_c5d0f41562834af4df912db9f7cfc7aa_amadey_coinminer_elex_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_c5d0f41562834af4df912db9f7cfc7aa_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:992
-
C:\Windows\Syswow64\f851cc1eC:\Windows\Syswow64\f851cc1e1⤵
- 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:4988
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\f851cc1e
- Size 560KB
- SHA256 b792624498097f7b58c70c18f15fe3580b905092dcaa3c37ecfe0fc2f8f0cfe8
- MD5 0c46b2422e8f4c8788223756872147c9
- SHA1 44bede2edec41a72740843f30801ad6238213b8c
- SHA512 eb65e75989b7e3ceee3b15244addb40f1cc50988acbd7a4ed1fdd04b464ae2f77640fdfe1b387c763120bb12edafaa397423344942ee173e8f545a8342c50c45
- SSDEEP 6144:fgye71cE4poJTqvpQLXNKFyLWD1nFairGcEOkCybEaQRuy8K:fI7OE4kopQzNKFyLWDHsOkxHy
- TLSH T1DEC48C2AB690C076C4B7D534C5E197AAEAB17432372449CFA3D0075A1F237E2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH