Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/08/2026, 11:26
Behavioral task
behavioral1
Sample
2026-08-03_6e030381cdbb17d4941ad958974e3dba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
11 signatures
150 seconds
General
- Target 2026-08-03_6e030381cdbb17d4941ad958974e3dba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
- Size 873KB
- Sample260804-nkcp2sdn3x
- SHA256 09e6ff799bb9624f518913321ec8cfcb9aec5de47dbd18cdc2b62fdd56926f2e
- MD5 6e030381cdbb17d4941ad958974e3dba
- SHA1 9baef98f8043a73381363904fc22503600fc2b6e
- SHA512 af5459e6816919a3f56d9317b125f0b3b37cefedb9294891e28855d13a3b634b4082f20a0dd6903e993d4c7df819681d0c892429b100638720f1f5b879cad27e
- SSDEEP 12288:KSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3uEW:RvO2xJKRw2kOkx2LFRvcUQPxW
- TLSH T162156B31E641C036D0A34576C6FA4BBFE964BD25531165CBA3D43A262FB32D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/1248-0-0x00000000006E0000-0x000000000076C000-memory.dmp UPX behavioral2/files/0x000b00000001b315-2.dat UPX behavioral2/memory/4936-3-0x0000000000610000-0x000000000069C000-memory.dmp UPX behavioral2/memory/1248-15-0x00000000006E0000-0x000000000076C000-memory.dmp UPX behavioral2/memory/4936-16-0x0000000000610000-0x000000000069C000-memory.dmp UPX behavioral2/memory/4936-36-0x0000000000610000-0x000000000069C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4936 6fd61478 - 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 4 223.5.5.5 1248 2026-08-03_6e030381cdbb17d4941ad958974e3dba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 17 114.114.114.114 1248 2026-08-03_6e030381cdbb17d4941ad958974e3dba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 18 223.5.5.5 1248 2026-08-03_6e030381cdbb17d4941ad958974e3dba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 3 114.114.114.114 1248 2026-08-03_6e030381cdbb17d4941ad958974e3dba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 6fd61478 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 6fd61478 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 6fd61478 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 6fd61478 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 6fd61478 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 6fd61478 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 6fd61478 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 6fd61478 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 6fd61478 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 6fd61478 File created C:\Windows\SysWOW64\6fd61478 2026-08-03_6e030381cdbb17d4941ad958974e3dba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 6fd61478 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 6fd61478 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 6fd61478 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 6fd61478 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 6fd61478 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 6fd61478 -
resource yara_rule behavioral2/memory/1248-0-0x00000000006E0000-0x000000000076C000-memory.dmp upx behavioral2/files/0x000b00000001b315-2.dat upx behavioral2/memory/4936-3-0x0000000000610000-0x000000000069C000-memory.dmp upx behavioral2/memory/1248-15-0x00000000006E0000-0x000000000076C000-memory.dmp upx behavioral2/memory/4936-16-0x0000000000610000-0x000000000069C000-memory.dmp upx behavioral2/memory/4936-36-0x0000000000610000-0x000000000069C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\548190 6fd61478 File opened for modification C:\Windows\155dc0 2026-08-03_6e030381cdbb17d4941ad958974e3dba_amadey_coinminer_elex_remcos_smoke-loader_stop.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 2026-08-03_6e030381cdbb17d4941ad958974e3dba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6fd61478 - 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" 6fd61478 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 6fd61478 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 6fd61478 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 6fd61478 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 6fd61478 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 6fd61478 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 6fd61478 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 6fd61478 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 6fd61478 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4936 6fd61478 4936 6fd61478 4936 6fd61478 4936 6fd61478 4936 6fd61478 4936 6fd61478 4936 6fd61478 4936 6fd61478 1248 2026-08-03_6e030381cdbb17d4941ad958974e3dba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 1248 2026-08-03_6e030381cdbb17d4941ad958974e3dba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 1248 2026-08-03_6e030381cdbb17d4941ad958974e3dba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 1248 2026-08-03_6e030381cdbb17d4941ad958974e3dba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 1248 2026-08-03_6e030381cdbb17d4941ad958974e3dba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 1248 2026-08-03_6e030381cdbb17d4941ad958974e3dba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 1248 2026-08-03_6e030381cdbb17d4941ad958974e3dba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 1248 2026-08-03_6e030381cdbb17d4941ad958974e3dba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 1248 2026-08-03_6e030381cdbb17d4941ad958974e3dba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 1248 2026-08-03_6e030381cdbb17d4941ad958974e3dba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 1248 2026-08-03_6e030381cdbb17d4941ad958974e3dba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 1248 2026-08-03_6e030381cdbb17d4941ad958974e3dba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 1248 2026-08-03_6e030381cdbb17d4941ad958974e3dba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 1248 2026-08-03_6e030381cdbb17d4941ad958974e3dba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1248 2026-08-03_6e030381cdbb17d4941ad958974e3dba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Token: SeTcbPrivilege 1248 2026-08-03_6e030381cdbb17d4941ad958974e3dba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Token: SeDebugPrivilege 4936 6fd61478 Token: SeTcbPrivilege 4936 6fd61478
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-03_6e030381cdbb17d4941ad958974e3dba_amadey_coinminer_elex_remcos_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-03_6e030381cdbb17d4941ad958974e3dba_amadey_coinminer_elex_remcos_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:1248
-
C:\Windows\Syswow64\6fd61478C:\Windows\Syswow64\6fd614781⤵
- 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:4936
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\6fd61478
- Size 873KB
- SHA256 ce6d153314d5c4b4c586912993982f9b485a0bce48be19aa08e98b9e5ad3fe47
- MD5 356d8776aacfe6eb32963a27b40e49a0
- SHA1 daf22130c5966707b97331920b477f8b7a8953e4
- SHA512 40e59f7e85ecb8970c9a34eefc6df79fe250aacc0752e1ce6a54c1965d11522ac52779f244a956f6b93e99166aa9992632d90afb8b81071f9a351757576b18cc
- SSDEEP 12288:RSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3uEW:4vO2xJKRw2kOkx2LFRvcUQPxW
- TLSH T195156B31E641C036D0A34576C6FA4BBFE964BD25531165CBA3D43A262FB32D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH