Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
25/04/2026, 17:04
Behavioral task
behavioral1
Sample
2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_amadey_coinminer_elex_remcos_smoke-loader.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_amadey_coinminer_elex_remcos_smoke-loader.exe
Resource
win11-20260130-en
windows11-21h2-x64
11 signatures
150 seconds
General
- Target 2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_amadey_coinminer_elex_remcos_smoke-loader.exe
- Size 576KB
- Sample260425-vll4fagy2p
- SHA256 e0c96e7ab71d1d820043639f47be5bac54cd82c4dce1f0ecefecd10f5648e5b7
- MD5 398fc36a95c8d171d63924c31ce2c0a6
- SHA1 dcdbbaf66338e8150e65c49034d83c71fac66467
- SHA512 32745a6aed0c8d57ddde8f24eb3a4b835cad31a44dd3586e365418cffbca57b1837cf543c1756a35a06a7a8368f5dcc4889c0ce0c9574ce0214eaa2b0ad3e4ec
- SSDEEP 12288:FqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:FjHPOSOkx2LFscUQPK
- TLSH T136C47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- UPX dump on OEP (original entry point) 10 IoCs
resource yara_rule behavioral1/memory/4752-0-0x0000000000010000-0x0000000000099000-memory.dmp UPX behavioral1/files/0x00120000000241ea-2.dat UPX behavioral1/memory/4708-4-0x0000000000590000-0x0000000000619000-memory.dmp UPX behavioral1/memory/4752-12-0x0000000000010000-0x0000000000099000-memory.dmp UPX behavioral1/memory/4708-14-0x0000000000590000-0x0000000000619000-memory.dmp UPX behavioral1/memory/4708-26-0x0000000000590000-0x0000000000619000-memory.dmp UPX behavioral1/memory/4752-31-0x0000000000010000-0x0000000000099000-memory.dmp UPX behavioral1/memory/4708-32-0x0000000000590000-0x0000000000619000-memory.dmp UPX behavioral1/memory/4708-34-0x0000000000590000-0x0000000000619000-memory.dmp UPX behavioral1/memory/4752-41-0x0000000000010000-0x0000000000099000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4708 bef52c2d - 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 5 114.114.114.114 4752 2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 6 223.5.5.5 4752 2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 35 114.114.114.114 4752 2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 36 223.5.5.5 4752 2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_amadey_coinminer_elex_remcos_smoke-loader.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 bef52c2d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 bef52c2d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData bef52c2d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 bef52c2d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 bef52c2d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 bef52c2d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 bef52c2d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 bef52c2d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache bef52c2d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE bef52c2d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 bef52c2d File created C:\Windows\SysWOW64\bef52c2d 2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_amadey_coinminer_elex_remcos_smoke-loader.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies bef52c2d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 bef52c2d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft bef52c2d -
resource yara_rule behavioral1/memory/4752-0-0x0000000000010000-0x0000000000099000-memory.dmp upx behavioral1/files/0x00120000000241ea-2.dat upx behavioral1/memory/4708-4-0x0000000000590000-0x0000000000619000-memory.dmp upx behavioral1/memory/4752-12-0x0000000000010000-0x0000000000099000-memory.dmp upx behavioral1/memory/4708-14-0x0000000000590000-0x0000000000619000-memory.dmp upx behavioral1/memory/4708-26-0x0000000000590000-0x0000000000619000-memory.dmp upx behavioral1/memory/4752-31-0x0000000000010000-0x0000000000099000-memory.dmp upx behavioral1/memory/4708-32-0x0000000000590000-0x0000000000619000-memory.dmp upx behavioral1/memory/4708-34-0x0000000000590000-0x0000000000619000-memory.dmp upx behavioral1/memory/4752-41-0x0000000000010000-0x0000000000099000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\509a48 bef52c2d File opened for modification C:\Windows\515b20 2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_amadey_coinminer_elex_remcos_smoke-loader.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 2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_amadey_coinminer_elex_remcos_smoke-loader.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bef52c2d - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" bef52c2d Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" bef52c2d Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" bef52c2d Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ bef52c2d Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" bef52c2d Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" bef52c2d Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing bef52c2d Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix bef52c2d Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" bef52c2d - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA bef52c2d Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 bef52c2d - Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 4708 bef52c2d 4708 bef52c2d 4708 bef52c2d 4708 bef52c2d 4708 bef52c2d 4708 bef52c2d 4708 bef52c2d 4708 bef52c2d 4708 bef52c2d 4708 bef52c2d 4708 bef52c2d 4708 bef52c2d 4752 2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_amadey_coinminer_elex_remcos_smoke-loader.exe 4752 2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_amadey_coinminer_elex_remcos_smoke-loader.exe 4752 2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_amadey_coinminer_elex_remcos_smoke-loader.exe 4752 2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_amadey_coinminer_elex_remcos_smoke-loader.exe 4752 2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_amadey_coinminer_elex_remcos_smoke-loader.exe 4752 2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_amadey_coinminer_elex_remcos_smoke-loader.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4752 2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeTcbPrivilege 4752 2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeDebugPrivilege 4708 bef52c2d Token: SeTcbPrivilege 4708 bef52c2d
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_amadey_coinminer_elex_remcos_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-25_398fc36a95c8d171d63924c31ce2c0a6_amadey_coinminer_elex_remcos_smoke-loader.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:4752
-
C:\Windows\Syswow64\bef52c2dC:\Windows\Syswow64\bef52c2d1⤵
- 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:4708
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\509a48
- Size 506B
- SHA256 47c40bb5392a0b41e6f5ad28164b90e5b14c4a7388ee3fc57b888c1a967ff1a6
- MD5 8e2a6562d88d22a86f94ce75658dd7c2
- SHA1 4e7c7053ad132cbef2a3ddd8c01104b017653eb0
- SHA512 39bc9a82fef06cd7b4f06e46d55fdf7f1ec8976a62d91c0bada6b699d957a873c9f5038cc51b66f1660654481c0a151f9cfe9e0635f353323e6f87e692128da4
- TLSH T19BF0597BFEA9A7950BDA1CA3642AD8C92011A22B4193B27939C1329D28D71E96C1640A
- MD5 SHA1 SHA512 TLSH
- Path C:\Windows\SysWOW64\bef52c2d
- Size 576KB
- SHA256 3cce43de0383209460d9e4242bd1fa99013aa6bfbaf3bd4cd4863bded67f6177
- MD5 85e11a88bc2aca65a66707fbddaf5aee
- SHA1 1071b32dcc400270c549584c43481a3cf8474333
- SHA512 a65020f77a935de39b75f24001f58c85c7a748d5d6fe1c448b9fda9408477f7b2ef77d552c1510eede657e0ee0efcbcabc9253cc0ee2cf2b1e90673a935286a8
- SSDEEP 12288:7qXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:7jHPOSOkx2LFscUQPK
- TLSH T12EC47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH