Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
18/04/2026, 04:28
Behavioral task
behavioral1
Sample
2026-04-18_7c9d5febdc4b64ce69f3e279af1cf8bb_amadey_coinminer_elex_remcos_smoke-loader.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
11 signatures
150 seconds
General
- Target 2026-04-18_7c9d5febdc4b64ce69f3e279af1cf8bb_amadey_coinminer_elex_remcos_smoke-loader.exe
- Size 576KB
- Sample260418-e343ksgw4s
- SHA256 5a8fd0a41deb8ea0ca1eb82a0844cf33574dd7aca52286084f2ec82124b4846f
- MD5 7c9d5febdc4b64ce69f3e279af1cf8bb
- SHA1 18d566d50a54139cbaa7400e064340a5a12c2b92
- SHA512 c9ce2d79e17f7237b18615df1db7c5ef9d2cb60f03a72d0e83b2e34c96e71ea04ff4ea117c0daae58555cb62b59d373d0af25a33f2545b4ad46c01881c1b30bf
- SSDEEP 12288:UqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:UjHPOSOkx2LFscUQPK
- TLSH T11EC47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Custom signatureUPX dump on OEP (original entry point) 8 IoCs
resource yara_rule behavioral1/memory/3480-0-0x0000000000CD0000-0x0000000000D59000-memory.dmp UPX behavioral1/files/0x001c000000024192-2.dat UPX behavioral1/memory/1856-4-0x0000000000630000-0x00000000006B9000-memory.dmp UPX behavioral1/memory/3480-10-0x0000000000CD0000-0x0000000000D59000-memory.dmp UPX behavioral1/memory/1856-12-0x0000000000630000-0x00000000006B9000-memory.dmp UPX behavioral1/memory/3480-37-0x0000000000CD0000-0x0000000000D59000-memory.dmp UPX behavioral1/memory/1856-38-0x0000000000630000-0x00000000006B9000-memory.dmp UPX behavioral1/memory/3480-39-0x0000000000CD0000-0x0000000000D59000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 1856 398d3dec - 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 40 223.5.5.5 3480 2026-04-18_7c9d5febdc4b64ce69f3e279af1cf8bb_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 90 114.114.114.114 3480 2026-04-18_7c9d5febdc4b64ce69f3e279af1cf8bb_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 91 223.5.5.5 3480 2026-04-18_7c9d5febdc4b64ce69f3e279af1cf8bb_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 3 114.114.114.114 3480 2026-04-18_7c9d5febdc4b64ce69f3e279af1cf8bb_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 4 223.5.5.5 3480 2026-04-18_7c9d5febdc4b64ce69f3e279af1cf8bb_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 34 114.114.114.114 3480 2026-04-18_7c9d5febdc4b64ce69f3e279af1cf8bb_amadey_coinminer_elex_remcos_smoke-loader.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 398d3dec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 398d3dec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 398d3dec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 398d3dec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 398d3dec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 398d3dec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 398d3dec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 398d3dec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 398d3dec File created C:\Windows\SysWOW64\398d3dec 2026-04-18_7c9d5febdc4b64ce69f3e279af1cf8bb_amadey_coinminer_elex_remcos_smoke-loader.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 398d3dec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 398d3dec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 398d3dec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 398d3dec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 398d3dec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 398d3dec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 398d3dec -
resource yara_rule behavioral1/memory/3480-0-0x0000000000CD0000-0x0000000000D59000-memory.dmp upx behavioral1/files/0x001c000000024192-2.dat upx behavioral1/memory/1856-4-0x0000000000630000-0x00000000006B9000-memory.dmp upx behavioral1/memory/3480-10-0x0000000000CD0000-0x0000000000D59000-memory.dmp upx behavioral1/memory/1856-12-0x0000000000630000-0x00000000006B9000-memory.dmp upx behavioral1/memory/3480-37-0x0000000000CD0000-0x0000000000D59000-memory.dmp upx behavioral1/memory/1856-38-0x0000000000630000-0x00000000006B9000-memory.dmp upx behavioral1/memory/3480-39-0x0000000000CD0000-0x0000000000D59000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\1fc680 398d3dec File opened for modification C:\Windows\3b9430 2026-04-18_7c9d5febdc4b64ce69f3e279af1cf8bb_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 2026-04-18_7c9d5febdc4b64ce69f3e279af1cf8bb_amadey_coinminer_elex_remcos_smoke-loader.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 398d3dec - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 398d3dec Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 398d3dec Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 398d3dec Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 398d3dec Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 398d3dec Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 398d3dec Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 398d3dec Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 398d3dec Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 398d3dec - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA 398d3dec Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 398d3dec - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1856 398d3dec 1856 398d3dec 1856 398d3dec 1856 398d3dec 1856 398d3dec 1856 398d3dec 1856 398d3dec 1856 398d3dec 3480 2026-04-18_7c9d5febdc4b64ce69f3e279af1cf8bb_amadey_coinminer_elex_remcos_smoke-loader.exe 3480 2026-04-18_7c9d5febdc4b64ce69f3e279af1cf8bb_amadey_coinminer_elex_remcos_smoke-loader.exe 3480 2026-04-18_7c9d5febdc4b64ce69f3e279af1cf8bb_amadey_coinminer_elex_remcos_smoke-loader.exe 3480 2026-04-18_7c9d5febdc4b64ce69f3e279af1cf8bb_amadey_coinminer_elex_remcos_smoke-loader.exe 3480 2026-04-18_7c9d5febdc4b64ce69f3e279af1cf8bb_amadey_coinminer_elex_remcos_smoke-loader.exe 3480 2026-04-18_7c9d5febdc4b64ce69f3e279af1cf8bb_amadey_coinminer_elex_remcos_smoke-loader.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3480 2026-04-18_7c9d5febdc4b64ce69f3e279af1cf8bb_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeTcbPrivilege 3480 2026-04-18_7c9d5febdc4b64ce69f3e279af1cf8bb_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeDebugPrivilege 1856 398d3dec Token: SeTcbPrivilege 1856 398d3dec
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-18_7c9d5febdc4b64ce69f3e279af1cf8bb_amadey_coinminer_elex_remcos_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-18_7c9d5febdc4b64ce69f3e279af1cf8bb_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:3480
-
C:\Windows\Syswow64\398d3decC:\Windows\Syswow64\398d3dec1⤵
- 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:1856
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\398d3dec
- Size 576KB
- SHA256 f5b5dcc0b80bdd879a7995fb45275f0e0bbd7c5490fe9d92c9bf29e6145a5808
- MD5 5257f782ada0577a9842a2a97d16fba9
- SHA1 b851dc3cd1d755c37b521e347dd99b4652ce6af0
- SHA512 3a8818becec45ef0a28bca9b35b12eec9dd705ab6fc6600806a90850509dfd376af32ee3d0bdb4cdf2503eb3942615941663785032ad6b44af2297d371258323
- SSDEEP 12288:NqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:NjHPOSOkx2LFscUQPK
- TLSH T1F9C47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH