Analysis
- max time kernel
149s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
15/04/2026, 07:42
Behavioral task
behavioral1
Sample
2026-04-15_fc4c8b93afacbea491795035f6179012_amadey_coinminer_elex_smoke-loader_stop.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2026-04-15_fc4c8b93afacbea491795035f6179012_amadey_coinminer_elex_smoke-loader_stop.exe
- Size 761KB
- Sample260415-jjsbwsbz51
- SHA256 e6a848cbf8ba3fa56b260f32613aaf06d824d45044cfab080679abcd42aab147
- MD5 fc4c8b93afacbea491795035f6179012
- SHA1 813922738d019448f5f67aea4abdb54d6bd7c963
- SHA512 7b1641e3d378f81190d80e75a13f7ba97274ad84400b4c57d44cc498773e38749777d833f37afbf23efe34acd7c6ca64be1402432a6c85d78c74d9fbcfd9ab66
- SSDEEP 12288:7SvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:OvO2xJKRw2kOkxSkW298B
- TLSH T1D9F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/4144-0-0x0000000000A90000-0x0000000000B1C000-memory.dmp UPX behavioral2/files/0x000e0000000262c0-2.dat UPX behavioral2/memory/1636-4-0x00000000006B0000-0x000000000073C000-memory.dmp UPX behavioral2/memory/4144-18-0x0000000000A90000-0x0000000000B1C000-memory.dmp UPX behavioral2/memory/1636-19-0x00000000006B0000-0x000000000073C000-memory.dmp UPX behavioral2/memory/1636-24-0x00000000006B0000-0x000000000073C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 1636 2820855f - 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 4144 2026-04-15_fc4c8b93afacbea491795035f6179012_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 2 223.5.5.5 4144 2026-04-15_fc4c8b93afacbea491795035f6179012_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 18 114.114.114.114 4144 2026-04-15_fc4c8b93afacbea491795035f6179012_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 19 223.5.5.5 4144 2026-04-15_fc4c8b93afacbea491795035f6179012_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 2820855f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 2820855f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 2820855f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 2820855f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 2820855f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 2820855f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 2820855f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 2820855f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 2820855f File created C:\Windows\SysWOW64\2820855f 2026-04-15_fc4c8b93afacbea491795035f6179012_amadey_coinminer_elex_smoke-loader_stop.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 2820855f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 2820855f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 2820855f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 2820855f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 2820855f -
resource yara_rule behavioral2/memory/4144-0-0x0000000000A90000-0x0000000000B1C000-memory.dmp upx behavioral2/files/0x000e0000000262c0-2.dat upx behavioral2/memory/1636-4-0x00000000006B0000-0x000000000073C000-memory.dmp upx behavioral2/memory/4144-18-0x0000000000A90000-0x0000000000B1C000-memory.dmp upx behavioral2/memory/1636-19-0x00000000006B0000-0x000000000073C000-memory.dmp upx behavioral2/memory/1636-24-0x00000000006B0000-0x000000000073C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\46f260 2026-04-15_fc4c8b93afacbea491795035f6179012_amadey_coinminer_elex_smoke-loader_stop.exe File opened for modification C:\Windows\1c0248 2820855f - 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 2026-04-15_fc4c8b93afacbea491795035f6179012_amadey_coinminer_elex_smoke-loader_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2820855f - 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 2820855f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 2820855f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 2820855f Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 2820855f Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 2820855f Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 2820855f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 2820855f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 2820855f Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 2820855f - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1636 2820855f 1636 2820855f 1636 2820855f 1636 2820855f 1636 2820855f 1636 2820855f 1636 2820855f 1636 2820855f 4144 2026-04-15_fc4c8b93afacbea491795035f6179012_amadey_coinminer_elex_smoke-loader_stop.exe 4144 2026-04-15_fc4c8b93afacbea491795035f6179012_amadey_coinminer_elex_smoke-loader_stop.exe 4144 2026-04-15_fc4c8b93afacbea491795035f6179012_amadey_coinminer_elex_smoke-loader_stop.exe 4144 2026-04-15_fc4c8b93afacbea491795035f6179012_amadey_coinminer_elex_smoke-loader_stop.exe 4144 2026-04-15_fc4c8b93afacbea491795035f6179012_amadey_coinminer_elex_smoke-loader_stop.exe 4144 2026-04-15_fc4c8b93afacbea491795035f6179012_amadey_coinminer_elex_smoke-loader_stop.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4144 2026-04-15_fc4c8b93afacbea491795035f6179012_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeTcbPrivilege 4144 2026-04-15_fc4c8b93afacbea491795035f6179012_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeDebugPrivilege 1636 2820855f Token: SeTcbPrivilege 1636 2820855f
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-15_fc4c8b93afacbea491795035f6179012_amadey_coinminer_elex_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-15_fc4c8b93afacbea491795035f6179012_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:4144
-
C:\Windows\Syswow64\2820855fC:\Windows\Syswow64\2820855f1⤵
- 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:1636
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\2820855f
- Size 761KB
- SHA256 1932760b3f8e35f12710ba66c93a8256c5b3f304f9c5433113d10eabc0fd24ec
- MD5 852141be921099fb78349ad4f5a9982f
- SHA1 9cc49abf671473f7bc9cfad3148f4d293df9abbb
- SHA512 fd9ee339a691416fb05fe6b76e71db9b7bcf8ce4fe489dfc9deab23a893699597a32fc6af68f0c7e3fba6f49316178fd29be05695307f3cf41027e36dc04ce06
- SSDEEP 12288:wSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:rvO2xJKRw2kOkxSkW298B
- TLSH T158F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH