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
23/08/2026, 02:21
Behavioral task
behavioral1
Sample
2026-08-22_b171fe802fd9914f01b325f3d4b75652_amadey_coinminer_elex_smoke-loader_stop.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
11 signatures
150 seconds
General
- Target 2026-08-22_b171fe802fd9914f01b325f3d4b75652_amadey_coinminer_elex_smoke-loader_stop.exe
- Size 766KB
- Sample260823-cteefssanc
- SHA256 24095c8dbaa82d3909a7d6dc6700f87a5736b6fe5c0ea9adb4975fde7fea4a39
- MD5 b171fe802fd9914f01b325f3d4b75652
- SHA1 0eb51b2673431f950b582e84f8a84afc48712eee
- SHA512 dca3b9e49299c1292a9607020982046b2aa4e620ad3dbb503e0e31ceef49cf5e16876d926e975c2a25f5d0a93eaa2b4759242353f9b08b3f0da58f5c8ff4e72f
- SSDEEP 12288:VSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:UvO2xJKRw2kOkx2LFRvcUV
- TLSH T152F45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral1/memory/4636-0-0x0000000000790000-0x000000000081C000-memory.dmp UPX behavioral1/files/0x00130000000243db-2.dat UPX behavioral1/memory/2116-4-0x0000000000E70000-0x0000000000EFC000-memory.dmp UPX behavioral1/memory/4636-10-0x0000000000790000-0x000000000081C000-memory.dmp UPX behavioral1/memory/2116-11-0x0000000000E70000-0x0000000000EFC000-memory.dmp UPX behavioral1/memory/2116-30-0x0000000000E70000-0x0000000000EFC000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 2116 dbf840ec - Unexpected DNS network traffic destination 6 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 143 223.5.5.5 4636 2026-08-22_b171fe802fd9914f01b325f3d4b75652_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 5 114.114.114.114 4636 2026-08-22_b171fe802fd9914f01b325f3d4b75652_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 6 223.5.5.5 4636 2026-08-22_b171fe802fd9914f01b325f3d4b75652_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 56 114.114.114.114 4636 2026-08-22_b171fe802fd9914f01b325f3d4b75652_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 57 223.5.5.5 4636 2026-08-22_b171fe802fd9914f01b325f3d4b75652_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 142 114.114.114.114 4636 2026-08-22_b171fe802fd9914f01b325f3d4b75652_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\INetCache\IE dbf840ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 dbf840ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content dbf840ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 dbf840ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C dbf840ec File created C:\Windows\SysWOW64\dbf840ec 2026-08-22_b171fe802fd9914f01b325f3d4b75652_amadey_coinminer_elex_smoke-loader_stop.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 dbf840ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 dbf840ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache dbf840ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C dbf840ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 dbf840ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies dbf840ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft dbf840ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData dbf840ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 dbf840ec -
resource yara_rule behavioral1/memory/4636-0-0x0000000000790000-0x000000000081C000-memory.dmp upx behavioral1/files/0x00130000000243db-2.dat upx behavioral1/memory/2116-4-0x0000000000E70000-0x0000000000EFC000-memory.dmp upx behavioral1/memory/4636-10-0x0000000000790000-0x000000000081C000-memory.dmp upx behavioral1/memory/2116-11-0x0000000000E70000-0x0000000000EFC000-memory.dmp upx behavioral1/memory/2116-30-0x0000000000E70000-0x0000000000EFC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4f5eb8 2026-08-22_b171fe802fd9914f01b325f3d4b75652_amadey_coinminer_elex_smoke-loader_stop.exe File opened for modification C:\Windows\243a08 dbf840ec - 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 2026-08-22_b171fe802fd9914f01b325f3d4b75652_amadey_coinminer_elex_smoke-loader_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dbf840ec - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" dbf840ec Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing dbf840ec Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" dbf840ec Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ dbf840ec Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" dbf840ec Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix dbf840ec Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" dbf840ec Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" dbf840ec Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" dbf840ec - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA dbf840ec Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 dbf840ec - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2116 dbf840ec 2116 dbf840ec 2116 dbf840ec 2116 dbf840ec 2116 dbf840ec 2116 dbf840ec 2116 dbf840ec 2116 dbf840ec 4636 2026-08-22_b171fe802fd9914f01b325f3d4b75652_amadey_coinminer_elex_smoke-loader_stop.exe 4636 2026-08-22_b171fe802fd9914f01b325f3d4b75652_amadey_coinminer_elex_smoke-loader_stop.exe 4636 2026-08-22_b171fe802fd9914f01b325f3d4b75652_amadey_coinminer_elex_smoke-loader_stop.exe 4636 2026-08-22_b171fe802fd9914f01b325f3d4b75652_amadey_coinminer_elex_smoke-loader_stop.exe 4636 2026-08-22_b171fe802fd9914f01b325f3d4b75652_amadey_coinminer_elex_smoke-loader_stop.exe 4636 2026-08-22_b171fe802fd9914f01b325f3d4b75652_amadey_coinminer_elex_smoke-loader_stop.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4636 2026-08-22_b171fe802fd9914f01b325f3d4b75652_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeTcbPrivilege 4636 2026-08-22_b171fe802fd9914f01b325f3d4b75652_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeDebugPrivilege 2116 dbf840ec Token: SeTcbPrivilege 2116 dbf840ec
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-22_b171fe802fd9914f01b325f3d4b75652_amadey_coinminer_elex_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-22_b171fe802fd9914f01b325f3d4b75652_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:4636
-
C:\Windows\Syswow64\dbf840ecC:\Windows\Syswow64\dbf840ec1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2116
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\dbf840ec
- Size 766KB
- SHA256 32d72daf0a10b6bd7b65cf9071d96efe5cb7b2e088c48b52befe62a82ba38438
- MD5 7bc209f20b3e4b14df4c61a71405a483
- SHA1 bba5068d3dabe37d5f293aac132ea44885b70e9f
- SHA512 5e633031a14fa8d28bb9dfe364999d122cbe9d095ed2ded330fb06433d1a5912b68bc776beaeb4ff20655dcabdfb76d9825224b620c68375b7e066e23dd38e59
- SSDEEP 12288:3SvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:CvO2xJKRw2kOkx2LFRvcUV
- TLSH T188F45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH