Analysis
- max time kernel
149s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
28/07/2026, 23:22
Behavioral task
behavioral1
Sample
2026-07-28_25f78a09a970f8ae8c3e887b1eeaf10f_amadey_coinminer_elex_smoke-loader_stop.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2026-07-28_25f78a09a970f8ae8c3e887b1eeaf10f_amadey_coinminer_elex_smoke-loader_stop.exe
- Size 761KB
- Sample260728-3clejsz1e1
- SHA256 de5d436b37746d29e9bb485806d74ca3f0a7331b46dffecfa735c2450c0d6009
- MD5 25f78a09a970f8ae8c3e887b1eeaf10f
- SHA1 451f814c763db0610ae982d3cc856ddd9534b9d5
- SHA512 ab7281e7d27cf29fe0fc1103e782a9258b6c08208c5b5f1f137d94d15143688e48fe0d02eee2b32adc58847c5163374a7f6929c9e911208fb519d59cfddad54e
- SSDEEP 12288:4SvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:TvO2xJKRw2kOkxSkW298B
- TLSH T1ACF49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/3860-0-0x0000000000080000-0x000000000010C000-memory.dmp UPX behavioral2/files/0x000e000000016cdb-2.dat UPX behavioral2/memory/1676-3-0x0000000000AE0000-0x0000000000B6C000-memory.dmp UPX behavioral2/memory/3860-18-0x0000000000080000-0x000000000010C000-memory.dmp UPX behavioral2/memory/1676-19-0x0000000000AE0000-0x0000000000B6C000-memory.dmp UPX behavioral2/memory/1676-28-0x0000000000AE0000-0x0000000000B6C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 1676 b9cbff3f - 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 3860 2026-07-28_25f78a09a970f8ae8c3e887b1eeaf10f_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 5 223.5.5.5 3860 2026-07-28_25f78a09a970f8ae8c3e887b1eeaf10f_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 25 114.114.114.114 3860 2026-07-28_25f78a09a970f8ae8c3e887b1eeaf10f_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 26 223.5.5.5 3860 2026-07-28_25f78a09a970f8ae8c3e887b1eeaf10f_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\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b9cbff3f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b9cbff3f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 b9cbff3f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE b9cbff3f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 b9cbff3f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache b9cbff3f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content b9cbff3f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies b9cbff3f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 b9cbff3f File created C:\Windows\SysWOW64\b9cbff3f 2026-07-28_25f78a09a970f8ae8c3e887b1eeaf10f_amadey_coinminer_elex_smoke-loader_stop.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 b9cbff3f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b9cbff3f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b9cbff3f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft b9cbff3f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData b9cbff3f -
resource yara_rule behavioral2/memory/3860-0-0x0000000000080000-0x000000000010C000-memory.dmp upx behavioral2/files/0x000e000000016cdb-2.dat upx behavioral2/memory/1676-3-0x0000000000AE0000-0x0000000000B6C000-memory.dmp upx behavioral2/memory/3860-18-0x0000000000080000-0x000000000010C000-memory.dmp upx behavioral2/memory/1676-19-0x0000000000AE0000-0x0000000000B6C000-memory.dmp upx behavioral2/memory/1676-28-0x0000000000AE0000-0x0000000000B6C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\1cb198 b9cbff3f File opened for modification C:\Windows\4215a8 2026-07-28_25f78a09a970f8ae8c3e887b1eeaf10f_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 2026-07-28_25f78a09a970f8ae8c3e887b1eeaf10f_amadey_coinminer_elex_smoke-loader_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b9cbff3f - 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 b9cbff3f Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" b9cbff3f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" b9cbff3f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" b9cbff3f Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing b9cbff3f Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" b9cbff3f Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ b9cbff3f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" b9cbff3f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" b9cbff3f - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 1676 b9cbff3f 1676 b9cbff3f 1676 b9cbff3f 1676 b9cbff3f 1676 b9cbff3f 1676 b9cbff3f 1676 b9cbff3f 1676 b9cbff3f 3860 2026-07-28_25f78a09a970f8ae8c3e887b1eeaf10f_amadey_coinminer_elex_smoke-loader_stop.exe 3860 2026-07-28_25f78a09a970f8ae8c3e887b1eeaf10f_amadey_coinminer_elex_smoke-loader_stop.exe 3860 2026-07-28_25f78a09a970f8ae8c3e887b1eeaf10f_amadey_coinminer_elex_smoke-loader_stop.exe 3860 2026-07-28_25f78a09a970f8ae8c3e887b1eeaf10f_amadey_coinminer_elex_smoke-loader_stop.exe 3860 2026-07-28_25f78a09a970f8ae8c3e887b1eeaf10f_amadey_coinminer_elex_smoke-loader_stop.exe 3860 2026-07-28_25f78a09a970f8ae8c3e887b1eeaf10f_amadey_coinminer_elex_smoke-loader_stop.exe 3860 2026-07-28_25f78a09a970f8ae8c3e887b1eeaf10f_amadey_coinminer_elex_smoke-loader_stop.exe 3860 2026-07-28_25f78a09a970f8ae8c3e887b1eeaf10f_amadey_coinminer_elex_smoke-loader_stop.exe 3860 2026-07-28_25f78a09a970f8ae8c3e887b1eeaf10f_amadey_coinminer_elex_smoke-loader_stop.exe 3860 2026-07-28_25f78a09a970f8ae8c3e887b1eeaf10f_amadey_coinminer_elex_smoke-loader_stop.exe 3860 2026-07-28_25f78a09a970f8ae8c3e887b1eeaf10f_amadey_coinminer_elex_smoke-loader_stop.exe 3860 2026-07-28_25f78a09a970f8ae8c3e887b1eeaf10f_amadey_coinminer_elex_smoke-loader_stop.exe 3860 2026-07-28_25f78a09a970f8ae8c3e887b1eeaf10f_amadey_coinminer_elex_smoke-loader_stop.exe 3860 2026-07-28_25f78a09a970f8ae8c3e887b1eeaf10f_amadey_coinminer_elex_smoke-loader_stop.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3860 2026-07-28_25f78a09a970f8ae8c3e887b1eeaf10f_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeTcbPrivilege 3860 2026-07-28_25f78a09a970f8ae8c3e887b1eeaf10f_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeDebugPrivilege 1676 b9cbff3f Token: SeTcbPrivilege 1676 b9cbff3f
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-28_25f78a09a970f8ae8c3e887b1eeaf10f_amadey_coinminer_elex_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-28_25f78a09a970f8ae8c3e887b1eeaf10f_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:3860
-
C:\Windows\Syswow64\b9cbff3fC:\Windows\Syswow64\b9cbff3f1⤵
- 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:1676
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\b9cbff3f
- Size 761KB
- SHA256 b29ffb4d7f6fba55b06f94e9ed7f2e5d0bfec1db606a48c40c4389af9c7bd382
- MD5 2bef4a10433e693ecf4acac2f9251639
- SHA1 c119a3c231ca99489fdfa8d76bc27d8ed3af262e
- SHA512 93c34294b04a13e425e7c6e8784f213bf8cf125675c35fdf28793bdc25908200df2cfd96b8f909be247692386c3a445c6f2e7553cd8597aa5479672c835179d9
- SSDEEP 12288:HSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:yvO2xJKRw2kOkxSkW298B
- TLSH T1CBF49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH