Analysis
- max time kernel
148s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
28/08/2026, 01:10
Behavioral task
behavioral1
Sample
2026-08-27_f72db1ff0a1afc38ccdabc0438168e67_amadey_coinminer_elex_remcos_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2026-08-27_f72db1ff0a1afc38ccdabc0438168e67_amadey_coinminer_elex_remcos_smoke-loader.exe
- Size 618KB
- Sample260828-bjsnnabe36
- SHA256 6f3c2940b0b803d341cb0a7bc834c1ddebc8117b5fb60eee2a85a1749938a63d
- MD5 f72db1ff0a1afc38ccdabc0438168e67
- SHA1 fb9035f2a328a02e0c792cd1774482f58900b563
- SHA512 3f90aa18af276769e08945f621bf201a1f78b5cacb0bbe499eacad59bea6c672b9a74416ac6908655d0225fae0f56ffca9a2a5417c8a000a1c0529491e992d8c
- SSDEEP 12288:PqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:PjHPOSOkx2LFscUQPxW
- TLSH T190D47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 10 IoCs
resource yara_rule behavioral2/memory/2624-0-0x0000000000840000-0x00000000008C9000-memory.dmp UPX behavioral2/files/0x000a000000019cc9-2.dat UPX behavioral2/memory/3088-3-0x0000000000350000-0x00000000003D9000-memory.dmp UPX behavioral2/memory/2624-16-0x0000000000840000-0x00000000008C9000-memory.dmp UPX behavioral2/memory/3088-18-0x0000000000350000-0x00000000003D9000-memory.dmp UPX behavioral2/memory/3088-24-0x0000000000350000-0x00000000003D9000-memory.dmp UPX behavioral2/memory/2624-33-0x0000000000840000-0x00000000008C9000-memory.dmp UPX behavioral2/memory/3088-34-0x0000000000350000-0x00000000003D9000-memory.dmp UPX behavioral2/memory/2624-46-0x0000000000840000-0x00000000008C9000-memory.dmp UPX behavioral2/memory/2624-53-0x0000000000840000-0x00000000008C9000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 3088 d8ab5c80 - 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 1 114.114.114.114 2624 2026-08-27_f72db1ff0a1afc38ccdabc0438168e67_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 4 223.5.5.5 2624 2026-08-27_f72db1ff0a1afc38ccdabc0438168e67_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 41 114.114.114.114 3088 d8ab5c80 Destination IP 42 223.5.5.5 2624 2026-08-27_f72db1ff0a1afc38ccdabc0438168e67_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 48 114.114.114.114 2624 2026-08-27_f72db1ff0a1afc38ccdabc0438168e67_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 49 223.5.5.5 2624 2026-08-27_f72db1ff0a1afc38ccdabc0438168e67_amadey_coinminer_elex_remcos_smoke-loader.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 d8ab5c80 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE d8ab5c80 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 d8ab5c80 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft d8ab5c80 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content d8ab5c80 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 d8ab5c80 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 d8ab5c80 File created C:\Windows\SysWOW64\d8ab5c80 2026-08-27_f72db1ff0a1afc38ccdabc0438168e67_amadey_coinminer_elex_remcos_smoke-loader.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies d8ab5c80 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache d8ab5c80 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData d8ab5c80 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 d8ab5c80 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 d8ab5c80 -
resource yara_rule behavioral2/memory/2624-0-0x0000000000840000-0x00000000008C9000-memory.dmp upx behavioral2/files/0x000a000000019cc9-2.dat upx behavioral2/memory/3088-3-0x0000000000350000-0x00000000003D9000-memory.dmp upx behavioral2/memory/2624-16-0x0000000000840000-0x00000000008C9000-memory.dmp upx behavioral2/memory/3088-18-0x0000000000350000-0x00000000003D9000-memory.dmp upx behavioral2/memory/3088-24-0x0000000000350000-0x00000000003D9000-memory.dmp upx behavioral2/memory/2624-33-0x0000000000840000-0x00000000008C9000-memory.dmp upx behavioral2/memory/3088-34-0x0000000000350000-0x00000000003D9000-memory.dmp upx behavioral2/memory/2624-46-0x0000000000840000-0x00000000008C9000-memory.dmp upx behavioral2/memory/2624-53-0x0000000000840000-0x00000000008C9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\34de20 d8ab5c80 File opened for modification C:\Windows\2cec80 2026-08-27_f72db1ff0a1afc38ccdabc0438168e67_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 2026-08-27_f72db1ff0a1afc38ccdabc0438168e67_amadey_coinminer_elex_remcos_smoke-loader.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d8ab5c80 - 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 d8ab5c80 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" d8ab5c80 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ d8ab5c80 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing d8ab5c80 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" d8ab5c80 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" d8ab5c80 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" d8ab5c80 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" d8ab5c80 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" d8ab5c80 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3088 d8ab5c80 3088 d8ab5c80 3088 d8ab5c80 3088 d8ab5c80 3088 d8ab5c80 3088 d8ab5c80 3088 d8ab5c80 3088 d8ab5c80 2624 2026-08-27_f72db1ff0a1afc38ccdabc0438168e67_amadey_coinminer_elex_remcos_smoke-loader.exe 2624 2026-08-27_f72db1ff0a1afc38ccdabc0438168e67_amadey_coinminer_elex_remcos_smoke-loader.exe 2624 2026-08-27_f72db1ff0a1afc38ccdabc0438168e67_amadey_coinminer_elex_remcos_smoke-loader.exe 2624 2026-08-27_f72db1ff0a1afc38ccdabc0438168e67_amadey_coinminer_elex_remcos_smoke-loader.exe 2624 2026-08-27_f72db1ff0a1afc38ccdabc0438168e67_amadey_coinminer_elex_remcos_smoke-loader.exe 2624 2026-08-27_f72db1ff0a1afc38ccdabc0438168e67_amadey_coinminer_elex_remcos_smoke-loader.exe 2624 2026-08-27_f72db1ff0a1afc38ccdabc0438168e67_amadey_coinminer_elex_remcos_smoke-loader.exe 2624 2026-08-27_f72db1ff0a1afc38ccdabc0438168e67_amadey_coinminer_elex_remcos_smoke-loader.exe 2624 2026-08-27_f72db1ff0a1afc38ccdabc0438168e67_amadey_coinminer_elex_remcos_smoke-loader.exe 2624 2026-08-27_f72db1ff0a1afc38ccdabc0438168e67_amadey_coinminer_elex_remcos_smoke-loader.exe 2624 2026-08-27_f72db1ff0a1afc38ccdabc0438168e67_amadey_coinminer_elex_remcos_smoke-loader.exe 2624 2026-08-27_f72db1ff0a1afc38ccdabc0438168e67_amadey_coinminer_elex_remcos_smoke-loader.exe 2624 2026-08-27_f72db1ff0a1afc38ccdabc0438168e67_amadey_coinminer_elex_remcos_smoke-loader.exe 2624 2026-08-27_f72db1ff0a1afc38ccdabc0438168e67_amadey_coinminer_elex_remcos_smoke-loader.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2624 2026-08-27_f72db1ff0a1afc38ccdabc0438168e67_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeTcbPrivilege 2624 2026-08-27_f72db1ff0a1afc38ccdabc0438168e67_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeDebugPrivilege 3088 d8ab5c80 Token: SeTcbPrivilege 3088 d8ab5c80
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-27_f72db1ff0a1afc38ccdabc0438168e67_amadey_coinminer_elex_remcos_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-27_f72db1ff0a1afc38ccdabc0438168e67_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:2624
-
C:\Windows\Syswow64\d8ab5c80C:\Windows\Syswow64\d8ab5c801⤵
- 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:3088
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\d8ab5c80
- Size 618KB
- SHA256 24ec6f970dcc985753abae546c6c348c3922fa535c941ea9ba8f837ac1884c24
- MD5 f9f533117638b9428a7abe970ddd79ac
- SHA1 1fdbf700c6577cc5961e91cb8b9e6c08e40fe38d
- SHA512 04555a4418e8c25fee68f51bc8110df7bd7fb2d48aed86218656bd50dae0da0ea41bd754e7b8b2f1a7d2585b45675c6eec8b73e1ece13ddf6233a04b412a7eb8
- SSDEEP 12288:rqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:rjHPOSOkx2LFscUQPxW
- TLSH T141D47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH