Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
20/08/2026, 10:18
Behavioral task
behavioral1
Sample
2026-08-20_1bceff98db7296cd37ae58beb3a18bb8_amadey_coinminer_elex_remcos_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2026-08-20_1bceff98db7296cd37ae58beb3a18bb8_amadey_coinminer_elex_remcos_smoke-loader.exe
- Size 618KB
- Sample260820-mcdfyaal51
- SHA256 29b8ba0ea948c1f9a2c8234929a7180403ca8796686ae0ed29a5937495efcdb1
- MD5 1bceff98db7296cd37ae58beb3a18bb8
- SHA1 5137aadb33ce224649df42bba17742da81d8c33b
- SHA512 0a7cf168e834d01388e3f741cdceafa64cadf3b896e4078d327f1fbe7bafd681c698e3466bb7ad41b12b974cfe3f00112571f32ab86dc370470e1fa563d5155a
- SSDEEP 12288:xqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:xjHPOSOkx2LFscUQPxW
- TLSH T199D47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 9 IoCs
resource yara_rule behavioral2/memory/1428-0-0x0000000000040000-0x00000000000C9000-memory.dmp UPX behavioral2/files/0x000700000001b858-2.dat UPX behavioral2/memory/1652-3-0x00000000004D0000-0x0000000000559000-memory.dmp UPX behavioral2/memory/1428-10-0x0000000000040000-0x00000000000C9000-memory.dmp UPX behavioral2/memory/1652-12-0x00000000004D0000-0x0000000000559000-memory.dmp UPX behavioral2/memory/1428-36-0x0000000000040000-0x00000000000C9000-memory.dmp UPX behavioral2/memory/1652-37-0x00000000004D0000-0x0000000000559000-memory.dmp UPX behavioral2/memory/1428-43-0x0000000000040000-0x00000000000C9000-memory.dmp UPX behavioral2/memory/1428-49-0x0000000000040000-0x00000000000C9000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 1652 b7adc18a - 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 1428 2026-08-20_1bceff98db7296cd37ae58beb3a18bb8_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 4 223.5.5.5 1428 2026-08-20_1bceff98db7296cd37ae58beb3a18bb8_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 15 114.114.114.114 1428 2026-08-20_1bceff98db7296cd37ae58beb3a18bb8_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 16 223.5.5.5 1428 2026-08-20_1bceff98db7296cd37ae58beb3a18bb8_amadey_coinminer_elex_remcos_smoke-loader.exe - Drops file in System32 directory 15 IoCs
description ioc Process File created C:\Windows\SysWOW64\b7adc18a 2026-08-20_1bceff98db7296cd37ae58beb3a18bb8_amadey_coinminer_elex_remcos_smoke-loader.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 b7adc18a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b7adc18a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft b7adc18a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData b7adc18a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content b7adc18a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b7adc18a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b7adc18a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b7adc18a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache b7adc18a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 b7adc18a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE b7adc18a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies b7adc18a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 b7adc18a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 b7adc18a -
resource yara_rule behavioral2/memory/1428-0-0x0000000000040000-0x00000000000C9000-memory.dmp upx behavioral2/files/0x000700000001b858-2.dat upx behavioral2/memory/1652-3-0x00000000004D0000-0x0000000000559000-memory.dmp upx behavioral2/memory/1428-10-0x0000000000040000-0x00000000000C9000-memory.dmp upx behavioral2/memory/1652-12-0x00000000004D0000-0x0000000000559000-memory.dmp upx behavioral2/memory/1428-36-0x0000000000040000-0x00000000000C9000-memory.dmp upx behavioral2/memory/1652-37-0x00000000004D0000-0x0000000000559000-memory.dmp upx behavioral2/memory/1428-43-0x0000000000040000-0x00000000000C9000-memory.dmp upx behavioral2/memory/1428-49-0x0000000000040000-0x00000000000C9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\1c4868 b7adc18a File opened for modification C:\Windows\1872a8 2026-08-20_1bceff98db7296cd37ae58beb3a18bb8_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 2026-08-20_1bceff98db7296cd37ae58beb3a18bb8_amadey_coinminer_elex_remcos_smoke-loader.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b7adc18a - 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 b7adc18a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" b7adc18a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" b7adc18a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" b7adc18a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" b7adc18a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" b7adc18a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ b7adc18a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" b7adc18a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing b7adc18a - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 1652 b7adc18a 1652 b7adc18a 1652 b7adc18a 1652 b7adc18a 1652 b7adc18a 1652 b7adc18a 1652 b7adc18a 1652 b7adc18a 1428 2026-08-20_1bceff98db7296cd37ae58beb3a18bb8_amadey_coinminer_elex_remcos_smoke-loader.exe 1428 2026-08-20_1bceff98db7296cd37ae58beb3a18bb8_amadey_coinminer_elex_remcos_smoke-loader.exe 1428 2026-08-20_1bceff98db7296cd37ae58beb3a18bb8_amadey_coinminer_elex_remcos_smoke-loader.exe 1428 2026-08-20_1bceff98db7296cd37ae58beb3a18bb8_amadey_coinminer_elex_remcos_smoke-loader.exe 1428 2026-08-20_1bceff98db7296cd37ae58beb3a18bb8_amadey_coinminer_elex_remcos_smoke-loader.exe 1428 2026-08-20_1bceff98db7296cd37ae58beb3a18bb8_amadey_coinminer_elex_remcos_smoke-loader.exe 1428 2026-08-20_1bceff98db7296cd37ae58beb3a18bb8_amadey_coinminer_elex_remcos_smoke-loader.exe 1428 2026-08-20_1bceff98db7296cd37ae58beb3a18bb8_amadey_coinminer_elex_remcos_smoke-loader.exe 1428 2026-08-20_1bceff98db7296cd37ae58beb3a18bb8_amadey_coinminer_elex_remcos_smoke-loader.exe 1428 2026-08-20_1bceff98db7296cd37ae58beb3a18bb8_amadey_coinminer_elex_remcos_smoke-loader.exe 1428 2026-08-20_1bceff98db7296cd37ae58beb3a18bb8_amadey_coinminer_elex_remcos_smoke-loader.exe 1428 2026-08-20_1bceff98db7296cd37ae58beb3a18bb8_amadey_coinminer_elex_remcos_smoke-loader.exe 1428 2026-08-20_1bceff98db7296cd37ae58beb3a18bb8_amadey_coinminer_elex_remcos_smoke-loader.exe 1428 2026-08-20_1bceff98db7296cd37ae58beb3a18bb8_amadey_coinminer_elex_remcos_smoke-loader.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1428 2026-08-20_1bceff98db7296cd37ae58beb3a18bb8_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeTcbPrivilege 1428 2026-08-20_1bceff98db7296cd37ae58beb3a18bb8_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeDebugPrivilege 1652 b7adc18a Token: SeTcbPrivilege 1652 b7adc18a
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-20_1bceff98db7296cd37ae58beb3a18bb8_amadey_coinminer_elex_remcos_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_1bceff98db7296cd37ae58beb3a18bb8_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:1428
-
C:\Windows\Syswow64\b7adc18aC:\Windows\Syswow64\b7adc18a1⤵
- 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:1652
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\b7adc18a
- Size 618KB
- SHA256 e3b6c43d6983a9ad8146c7caaaac03c6115c706b86275d12057d6996232204a2
- MD5 aea4a528b7516c4be70eb3721691540c
- SHA1 6538fd06e098385419246f084ba888516cc718e7
- SHA512 1de35c1db4ed22c7e532a4324d8675fd77e478723169c5ef065f66a6e8025cbc858a493ed2be2a16b8be0b00890e0ff91bdf04d3116ad44a7da7c362649a8158
- SSDEEP 12288:PqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:PjHPOSOkx2LFscUQPxW
- TLSH T11BD47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH