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
10/08/2026, 08:48
Behavioral task
behavioral1
Sample
2026-08-10_13d9a7e75785ac0f5e7d9818674431a9_amadey_coinminer_elex_remcos_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2026-08-10_13d9a7e75785ac0f5e7d9818674431a9_amadey_coinminer_elex_remcos_smoke-loader.exe
- Size 618KB
- Sample260810-kqf3wafa83
- SHA256 02f15e4797523e8699c9a9a22512b38217e0b4733fee1c5936f4d2d7bd9725d2
- MD5 13d9a7e75785ac0f5e7d9818674431a9
- SHA1 c2808a7cc4c2b5b63395219851d99cde75185f4a
- SHA512 507e2071170596b60beec173fb5348ea86273d82decc8c10d399f9d71910fa60e4fd53b3dce4c4b926e5ce3d5894d4ff0c6f2f96e355e482cc8ccf4673a09e6e
- SSDEEP 12288:sqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:sjHPOSOkx2LFscUQPxW
- TLSH T1EFD47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 9 IoCs
resource yara_rule behavioral2/memory/4372-0-0x0000000000190000-0x0000000000219000-memory.dmp UPX behavioral2/files/0x000600000001b85f-2.dat UPX behavioral2/memory/2188-3-0x0000000000DF0000-0x0000000000E79000-memory.dmp UPX behavioral2/memory/4372-16-0x0000000000190000-0x0000000000219000-memory.dmp UPX behavioral2/memory/2188-18-0x0000000000DF0000-0x0000000000E79000-memory.dmp UPX behavioral2/memory/2188-22-0x0000000000DF0000-0x0000000000E79000-memory.dmp UPX behavioral2/memory/4372-31-0x0000000000190000-0x0000000000219000-memory.dmp UPX behavioral2/memory/2188-32-0x0000000000DF0000-0x0000000000E79000-memory.dmp UPX behavioral2/memory/4372-49-0x0000000000190000-0x0000000000219000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 2188 b2eafac4 - 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 4372 2026-08-10_13d9a7e75785ac0f5e7d9818674431a9_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 2 223.5.5.5 4372 2026-08-10_13d9a7e75785ac0f5e7d9818674431a9_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 20 114.114.114.114 4372 2026-08-10_13d9a7e75785ac0f5e7d9818674431a9_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 21 223.5.5.5 4372 2026-08-10_13d9a7e75785ac0f5e7d9818674431a9_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\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b2eafac4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b2eafac4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b2eafac4 File created C:\Windows\SysWOW64\b2eafac4 2026-08-10_13d9a7e75785ac0f5e7d9818674431a9_amadey_coinminer_elex_remcos_smoke-loader.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE b2eafac4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies b2eafac4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 b2eafac4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache b2eafac4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 b2eafac4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft b2eafac4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData b2eafac4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b2eafac4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content b2eafac4 -
resource yara_rule behavioral2/memory/4372-0-0x0000000000190000-0x0000000000219000-memory.dmp upx behavioral2/files/0x000600000001b85f-2.dat upx behavioral2/memory/2188-3-0x0000000000DF0000-0x0000000000E79000-memory.dmp upx behavioral2/memory/4372-16-0x0000000000190000-0x0000000000219000-memory.dmp upx behavioral2/memory/2188-18-0x0000000000DF0000-0x0000000000E79000-memory.dmp upx behavioral2/memory/2188-22-0x0000000000DF0000-0x0000000000E79000-memory.dmp upx behavioral2/memory/4372-31-0x0000000000190000-0x0000000000219000-memory.dmp upx behavioral2/memory/2188-32-0x0000000000DF0000-0x0000000000E79000-memory.dmp upx behavioral2/memory/4372-49-0x0000000000190000-0x0000000000219000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\257598 b2eafac4 File opened for modification C:\Windows\4ad9a8 2026-08-10_13d9a7e75785ac0f5e7d9818674431a9_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 2026-08-10_13d9a7e75785ac0f5e7d9818674431a9_amadey_coinminer_elex_remcos_smoke-loader.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b2eafac4 - 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\Cookies\CachePrefix = "Cookie:" b2eafac4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" b2eafac4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ b2eafac4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" b2eafac4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" b2eafac4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing b2eafac4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix b2eafac4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" b2eafac4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" b2eafac4 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 2188 b2eafac4 2188 b2eafac4 2188 b2eafac4 2188 b2eafac4 2188 b2eafac4 2188 b2eafac4 2188 b2eafac4 2188 b2eafac4 4372 2026-08-10_13d9a7e75785ac0f5e7d9818674431a9_amadey_coinminer_elex_remcos_smoke-loader.exe 4372 2026-08-10_13d9a7e75785ac0f5e7d9818674431a9_amadey_coinminer_elex_remcos_smoke-loader.exe 4372 2026-08-10_13d9a7e75785ac0f5e7d9818674431a9_amadey_coinminer_elex_remcos_smoke-loader.exe 4372 2026-08-10_13d9a7e75785ac0f5e7d9818674431a9_amadey_coinminer_elex_remcos_smoke-loader.exe 4372 2026-08-10_13d9a7e75785ac0f5e7d9818674431a9_amadey_coinminer_elex_remcos_smoke-loader.exe 4372 2026-08-10_13d9a7e75785ac0f5e7d9818674431a9_amadey_coinminer_elex_remcos_smoke-loader.exe 4372 2026-08-10_13d9a7e75785ac0f5e7d9818674431a9_amadey_coinminer_elex_remcos_smoke-loader.exe 4372 2026-08-10_13d9a7e75785ac0f5e7d9818674431a9_amadey_coinminer_elex_remcos_smoke-loader.exe 4372 2026-08-10_13d9a7e75785ac0f5e7d9818674431a9_amadey_coinminer_elex_remcos_smoke-loader.exe 4372 2026-08-10_13d9a7e75785ac0f5e7d9818674431a9_amadey_coinminer_elex_remcos_smoke-loader.exe 4372 2026-08-10_13d9a7e75785ac0f5e7d9818674431a9_amadey_coinminer_elex_remcos_smoke-loader.exe 4372 2026-08-10_13d9a7e75785ac0f5e7d9818674431a9_amadey_coinminer_elex_remcos_smoke-loader.exe 4372 2026-08-10_13d9a7e75785ac0f5e7d9818674431a9_amadey_coinminer_elex_remcos_smoke-loader.exe 4372 2026-08-10_13d9a7e75785ac0f5e7d9818674431a9_amadey_coinminer_elex_remcos_smoke-loader.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4372 2026-08-10_13d9a7e75785ac0f5e7d9818674431a9_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeTcbPrivilege 4372 2026-08-10_13d9a7e75785ac0f5e7d9818674431a9_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeDebugPrivilege 2188 b2eafac4 Token: SeTcbPrivilege 2188 b2eafac4
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-10_13d9a7e75785ac0f5e7d9818674431a9_amadey_coinminer_elex_remcos_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-10_13d9a7e75785ac0f5e7d9818674431a9_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:4372
-
C:\Windows\Syswow64\b2eafac4C:\Windows\Syswow64\b2eafac41⤵
- 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:2188
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\b2eafac4
- Size 618KB
- SHA256 e6d4341ecbb3a1e0f4abb8dd7d905914787e962537d43cc2a127511374de8897
- MD5 7882360c7f76c520ee90c94292aa8f5a
- SHA1 7b50eee024ebb2bdf6e446a9fa4eb899c3e001b0
- SHA512 135b182e6ae3ad4a6dbb069906731474f072058c3821e38e10cb106f41a185d5ee331904385428f8be9bb532908cf30aee323462dfb31f78ff8ba0b854f4ed10
- SSDEEP 12288:9qXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:9jHPOSOkx2LFscUQPxW
- TLSH T1E2D47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH