Analysis
- max time kernel
149s - max time network
152s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
18/04/2026, 17:09
Behavioral task
behavioral1
Sample
2026-04-18_185ebe52374a297df3d33ad8a8cbc4f9_amadey_coinminer_elex_remcos_smoke-loader.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
11 signatures
150 seconds
General
- Target 2026-04-18_185ebe52374a297df3d33ad8a8cbc4f9_amadey_coinminer_elex_remcos_smoke-loader.exe
- Size 576KB
- Sample260418-vn74padt3n
- SHA256 7354fda620bba04cfa3afcdb315bbccb6e020d83bbe21af6a1d615fccf991953
- MD5 185ebe52374a297df3d33ad8a8cbc4f9
- SHA1 b3b44aab57d7d425332973ec83cff5f6f5913f7e
- SHA512 2c7d6c5c77eb2ff5c207062be80f9bed07fc93057e85ba4b4049df295e44ad9342bba1d5eb2c7fb8a3b6eec95a8478b0f53dcc9a377699cebc0e86da77124946
- SSDEEP 12288:CqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:CjHPOSOkx2LFscUQPK
- TLSH T1F8C47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 8 IoCs
resource yara_rule behavioral2/memory/4020-0-0x0000000000500000-0x0000000000589000-memory.dmp UPX behavioral2/files/0x002c00000000ba12-2.dat UPX behavioral2/memory/3800-3-0x0000000000200000-0x0000000000289000-memory.dmp UPX behavioral2/memory/4020-10-0x0000000000500000-0x0000000000589000-memory.dmp UPX behavioral2/memory/3800-12-0x0000000000200000-0x0000000000289000-memory.dmp UPX behavioral2/memory/4020-32-0x0000000000500000-0x0000000000589000-memory.dmp UPX behavioral2/memory/3800-34-0x0000000000200000-0x0000000000289000-memory.dmp UPX behavioral2/memory/4020-46-0x0000000000500000-0x0000000000589000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 3800 21792a18 - 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 4020 2026-04-18_185ebe52374a297df3d33ad8a8cbc4f9_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 2 223.5.5.5 4020 2026-04-18_185ebe52374a297df3d33ad8a8cbc4f9_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 17 114.114.114.114 4020 2026-04-18_185ebe52374a297df3d33ad8a8cbc4f9_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 19 223.5.5.5 4020 2026-04-18_185ebe52374a297df3d33ad8a8cbc4f9_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\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 21792a18 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 21792a18 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 21792a18 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 21792a18 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 21792a18 File created C:\Windows\SysWOW64\21792a18 2026-04-18_185ebe52374a297df3d33ad8a8cbc4f9_amadey_coinminer_elex_remcos_smoke-loader.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 21792a18 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 21792a18 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 21792a18 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 21792a18 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 21792a18 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 21792a18 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 21792a18 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 21792a18 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 21792a18 -
resource yara_rule behavioral2/memory/4020-0-0x0000000000500000-0x0000000000589000-memory.dmp upx behavioral2/files/0x002c00000000ba12-2.dat upx behavioral2/memory/3800-3-0x0000000000200000-0x0000000000289000-memory.dmp upx behavioral2/memory/4020-10-0x0000000000500000-0x0000000000589000-memory.dmp upx behavioral2/memory/3800-12-0x0000000000200000-0x0000000000289000-memory.dmp upx behavioral2/memory/4020-32-0x0000000000500000-0x0000000000589000-memory.dmp upx behavioral2/memory/3800-34-0x0000000000200000-0x0000000000289000-memory.dmp upx behavioral2/memory/4020-46-0x0000000000500000-0x0000000000589000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\410eb0 21792a18 File opened for modification C:\Windows\44d2e8 2026-04-18_185ebe52374a297df3d33ad8a8cbc4f9_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_185ebe52374a297df3d33ad8a8cbc4f9_amadey_coinminer_elex_remcos_smoke-loader.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 21792a18 - 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\History\CachePrefix = "Visited:" 21792a18 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 21792a18 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 21792a18 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 21792a18 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 21792a18 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 21792a18 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 21792a18 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 21792a18 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 21792a18 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3800 21792a18 3800 21792a18 3800 21792a18 3800 21792a18 3800 21792a18 3800 21792a18 3800 21792a18 3800 21792a18 4020 2026-04-18_185ebe52374a297df3d33ad8a8cbc4f9_amadey_coinminer_elex_remcos_smoke-loader.exe 4020 2026-04-18_185ebe52374a297df3d33ad8a8cbc4f9_amadey_coinminer_elex_remcos_smoke-loader.exe 4020 2026-04-18_185ebe52374a297df3d33ad8a8cbc4f9_amadey_coinminer_elex_remcos_smoke-loader.exe 4020 2026-04-18_185ebe52374a297df3d33ad8a8cbc4f9_amadey_coinminer_elex_remcos_smoke-loader.exe 4020 2026-04-18_185ebe52374a297df3d33ad8a8cbc4f9_amadey_coinminer_elex_remcos_smoke-loader.exe 4020 2026-04-18_185ebe52374a297df3d33ad8a8cbc4f9_amadey_coinminer_elex_remcos_smoke-loader.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4020 2026-04-18_185ebe52374a297df3d33ad8a8cbc4f9_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeTcbPrivilege 4020 2026-04-18_185ebe52374a297df3d33ad8a8cbc4f9_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeDebugPrivilege 3800 21792a18 Token: SeTcbPrivilege 3800 21792a18
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-18_185ebe52374a297df3d33ad8a8cbc4f9_amadey_coinminer_elex_remcos_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-18_185ebe52374a297df3d33ad8a8cbc4f9_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:4020
-
C:\Windows\Syswow64\21792a18C:\Windows\Syswow64\21792a181⤵
- 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:3800
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\21792a18
- Size 576KB
- SHA256 036207a4910d729b06c3cb4d8ca3c99d0b82e56a8f3cc4fcc405056512fad986
- MD5 08d32b4b3986ffb1c778200110aed602
- SHA1 4db3cebaf6be927262b1527f1ecc3d5a5d4f5066
- SHA512 bfa5808d60867548a275a5717efb9a39c2a003cf4146f93823ca50592c697fb1c64e8fda9f0debe1cd5720bd159513686e90dd3360029da2591c548bfb82b7ac
- SSDEEP 12288:CqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:CjHPOSOkx2LFscUQPK
- TLSH T119C47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH