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
09/08/2026, 23:45
Behavioral task
behavioral1
Sample
2026-08-09_c2ba2cffebbc18bcc836a890565531ba_amadey_coinminer_elex_remcos_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2026-08-09_c2ba2cffebbc18bcc836a890565531ba_amadey_coinminer_elex_remcos_smoke-loader.exe
- Size 618KB
- Sample260809-3r4vfa1tez
- SHA256 82f296d8949da67d4661b45f2d27c1ecf8b4822180b460744ff90066018a3b25
- MD5 c2ba2cffebbc18bcc836a890565531ba
- SHA1 490625087d234629762a8cf846b17fe4f8980487
- SHA512 7e7b1316baff1ef39341760f072f4b9fc71c12d9edcd727f29c57009f5c9b6b5205e9570a03a4d099e7075d76a67e3cad91fc84b10daa8f5c39335c1cd4e94a3
- SSDEEP 12288:KqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:KjHPOSOkx2LFscUQPxW
- TLSH T19FD47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 9 IoCs
resource yara_rule behavioral2/memory/3868-0-0x0000000000DC0000-0x0000000000E49000-memory.dmp UPX behavioral2/files/0x000600000001b867-2.dat UPX behavioral2/memory/4296-3-0x00000000002A0000-0x0000000000329000-memory.dmp UPX behavioral2/memory/3868-18-0x0000000000DC0000-0x0000000000E49000-memory.dmp UPX behavioral2/memory/4296-20-0x00000000002A0000-0x0000000000329000-memory.dmp UPX behavioral2/memory/4296-26-0x00000000002A0000-0x0000000000329000-memory.dmp UPX behavioral2/memory/3868-41-0x0000000000DC0000-0x0000000000E49000-memory.dmp UPX behavioral2/memory/4296-42-0x00000000002A0000-0x0000000000329000-memory.dmp UPX behavioral2/memory/3868-45-0x0000000000DC0000-0x0000000000E49000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4296 21b0a698 - 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 42 114.114.114.114 4296 21b0a698 Destination IP 43 223.5.5.5 3868 2026-08-09_c2ba2cffebbc18bcc836a890565531ba_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 46 114.114.114.114 3868 2026-08-09_c2ba2cffebbc18bcc836a890565531ba_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 47 223.5.5.5 3868 2026-08-09_c2ba2cffebbc18bcc836a890565531ba_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 1 114.114.114.114 3868 2026-08-09_c2ba2cffebbc18bcc836a890565531ba_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 2 223.5.5.5 3868 2026-08-09_c2ba2cffebbc18bcc836a890565531ba_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\Local\Microsoft\Windows\INetCache\Content.IE5 21b0a698 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 21b0a698 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 21b0a698 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 21b0a698 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 21b0a698 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 21b0a698 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 21b0a698 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 21b0a698 File created C:\Windows\SysWOW64\21b0a698 2026-08-09_c2ba2cffebbc18bcc836a890565531ba_amadey_coinminer_elex_remcos_smoke-loader.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 21b0a698 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 21b0a698 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 21b0a698 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 21b0a698 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 21b0a698 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 21b0a698 -
resource yara_rule behavioral2/memory/3868-0-0x0000000000DC0000-0x0000000000E49000-memory.dmp upx behavioral2/files/0x000600000001b867-2.dat upx behavioral2/memory/4296-3-0x00000000002A0000-0x0000000000329000-memory.dmp upx behavioral2/memory/3868-18-0x0000000000DC0000-0x0000000000E49000-memory.dmp upx behavioral2/memory/4296-20-0x00000000002A0000-0x0000000000329000-memory.dmp upx behavioral2/memory/4296-26-0x00000000002A0000-0x0000000000329000-memory.dmp upx behavioral2/memory/3868-41-0x0000000000DC0000-0x0000000000E49000-memory.dmp upx behavioral2/memory/4296-42-0x00000000002A0000-0x0000000000329000-memory.dmp upx behavioral2/memory/3868-45-0x0000000000DC0000-0x0000000000E49000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\498c90 21b0a698 File opened for modification C:\Windows\4238b8 2026-08-09_c2ba2cffebbc18bcc836a890565531ba_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 2026-08-09_c2ba2cffebbc18bcc836a890565531ba_amadey_coinminer_elex_remcos_smoke-loader.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 21b0a698 - 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" 21b0a698 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 21b0a698 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 21b0a698 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 21b0a698 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 21b0a698 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 21b0a698 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 21b0a698 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 21b0a698 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 21b0a698 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4296 21b0a698 4296 21b0a698 4296 21b0a698 4296 21b0a698 4296 21b0a698 4296 21b0a698 4296 21b0a698 4296 21b0a698 3868 2026-08-09_c2ba2cffebbc18bcc836a890565531ba_amadey_coinminer_elex_remcos_smoke-loader.exe 3868 2026-08-09_c2ba2cffebbc18bcc836a890565531ba_amadey_coinminer_elex_remcos_smoke-loader.exe 3868 2026-08-09_c2ba2cffebbc18bcc836a890565531ba_amadey_coinminer_elex_remcos_smoke-loader.exe 3868 2026-08-09_c2ba2cffebbc18bcc836a890565531ba_amadey_coinminer_elex_remcos_smoke-loader.exe 3868 2026-08-09_c2ba2cffebbc18bcc836a890565531ba_amadey_coinminer_elex_remcos_smoke-loader.exe 3868 2026-08-09_c2ba2cffebbc18bcc836a890565531ba_amadey_coinminer_elex_remcos_smoke-loader.exe 3868 2026-08-09_c2ba2cffebbc18bcc836a890565531ba_amadey_coinminer_elex_remcos_smoke-loader.exe 3868 2026-08-09_c2ba2cffebbc18bcc836a890565531ba_amadey_coinminer_elex_remcos_smoke-loader.exe 3868 2026-08-09_c2ba2cffebbc18bcc836a890565531ba_amadey_coinminer_elex_remcos_smoke-loader.exe 3868 2026-08-09_c2ba2cffebbc18bcc836a890565531ba_amadey_coinminer_elex_remcos_smoke-loader.exe 3868 2026-08-09_c2ba2cffebbc18bcc836a890565531ba_amadey_coinminer_elex_remcos_smoke-loader.exe 3868 2026-08-09_c2ba2cffebbc18bcc836a890565531ba_amadey_coinminer_elex_remcos_smoke-loader.exe 3868 2026-08-09_c2ba2cffebbc18bcc836a890565531ba_amadey_coinminer_elex_remcos_smoke-loader.exe 3868 2026-08-09_c2ba2cffebbc18bcc836a890565531ba_amadey_coinminer_elex_remcos_smoke-loader.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3868 2026-08-09_c2ba2cffebbc18bcc836a890565531ba_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeTcbPrivilege 3868 2026-08-09_c2ba2cffebbc18bcc836a890565531ba_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeDebugPrivilege 4296 21b0a698 Token: SeTcbPrivilege 4296 21b0a698
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-09_c2ba2cffebbc18bcc836a890565531ba_amadey_coinminer_elex_remcos_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-09_c2ba2cffebbc18bcc836a890565531ba_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:3868
-
C:\Windows\Syswow64\21b0a698C:\Windows\Syswow64\21b0a6981⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- 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:4296
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\21b0a698
- Size 618KB
- SHA256 6bbfafeb6004b6329bc2ab4543e43afdd37e3aff6190ba8471945428b3839198
- MD5 a4b3e6100a80d8f9671f007236976323
- SHA1 83a6f349f99c931b6991871cd75d27679d71fd89
- SHA512 2eb8647b305c2b861ad786715a4d89bda3ffdef0b0c7cdd6df824f47a4ab2348f1c4197138d7dee4b461786a1bf688c82dbe1097019c9609e071b720e45546ec
- SSDEEP 12288:PqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:PjHPOSOkx2LFscUQPxW
- TLSH T1D8D47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH