Analysis
- max time kernel
148s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
16/08/2026, 14:02
Behavioral task
behavioral1
Sample
2026-08-16_77c0961996c830e825bb896a3d40caa2_amadey_coinminer_elex_remcos_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2026-08-16_77c0961996c830e825bb896a3d40caa2_amadey_coinminer_elex_remcos_smoke-loader.exe
- Size 618KB
- Sample260816-rcaghacm4v
- SHA256 d29896f71270759a1e901ac59bd7b4c3139655ee4f679329f27bc511ec69873e
- MD5 77c0961996c830e825bb896a3d40caa2
- SHA1 caf734ebd91c6b300897b854469121e93f0d0ab3
- SHA512 1ac132d8d865502adbc3fc3f62945a3b4b1a86eca889259ceba4e7f0cb3793e3720698db05ade59dbc32bfc6d2c46aa875b8505d5f0529f39d3fb80a20759f2c
- SSDEEP 12288:8qXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:8jHPOSOkx2LFscUQPxW
- TLSH T19FD47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 10 IoCs
resource yara_rule behavioral2/memory/5156-0-0x00000000000B0000-0x0000000000139000-memory.dmp UPX behavioral2/files/0x000a000000019cb5-2.dat UPX behavioral2/memory/3036-3-0x00000000006F0000-0x0000000000779000-memory.dmp UPX behavioral2/memory/5156-10-0x00000000000B0000-0x0000000000139000-memory.dmp UPX behavioral2/memory/3036-12-0x00000000006F0000-0x0000000000779000-memory.dmp UPX behavioral2/memory/5156-31-0x00000000000B0000-0x0000000000139000-memory.dmp UPX behavioral2/memory/3036-32-0x00000000006F0000-0x0000000000779000-memory.dmp UPX behavioral2/memory/3036-36-0x00000000006F0000-0x0000000000779000-memory.dmp UPX behavioral2/memory/5156-44-0x00000000000B0000-0x0000000000139000-memory.dmp UPX behavioral2/memory/5156-48-0x00000000000B0000-0x0000000000139000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 3036 c32cefe0 - 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 5156 2026-08-16_77c0961996c830e825bb896a3d40caa2_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 4 223.5.5.5 5156 2026-08-16_77c0961996c830e825bb896a3d40caa2_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 21 114.114.114.114 5156 2026-08-16_77c0961996c830e825bb896a3d40caa2_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 24 223.5.5.5 5156 2026-08-16_77c0961996c830e825bb896a3d40caa2_amadey_coinminer_elex_remcos_smoke-loader.exe - Drops file in System32 directory 13 IoCs
description ioc Process File created C:\Windows\SysWOW64\c32cefe0 2026-08-16_77c0961996c830e825bb896a3d40caa2_amadey_coinminer_elex_remcos_smoke-loader.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 c32cefe0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 c32cefe0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData c32cefe0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content c32cefe0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 c32cefe0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c32cefe0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c32cefe0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE c32cefe0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies c32cefe0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft c32cefe0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache c32cefe0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 c32cefe0 -
resource yara_rule behavioral2/memory/5156-0-0x00000000000B0000-0x0000000000139000-memory.dmp upx behavioral2/files/0x000a000000019cb5-2.dat upx behavioral2/memory/3036-3-0x00000000006F0000-0x0000000000779000-memory.dmp upx behavioral2/memory/5156-10-0x00000000000B0000-0x0000000000139000-memory.dmp upx behavioral2/memory/3036-12-0x00000000006F0000-0x0000000000779000-memory.dmp upx behavioral2/memory/5156-31-0x00000000000B0000-0x0000000000139000-memory.dmp upx behavioral2/memory/3036-32-0x00000000006F0000-0x0000000000779000-memory.dmp upx behavioral2/memory/3036-36-0x00000000006F0000-0x0000000000779000-memory.dmp upx behavioral2/memory/5156-44-0x00000000000B0000-0x0000000000139000-memory.dmp upx behavioral2/memory/5156-48-0x00000000000B0000-0x0000000000139000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\33fa38 c32cefe0 File opened for modification C:\Windows\5845c8 2026-08-16_77c0961996c830e825bb896a3d40caa2_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 2026-08-16_77c0961996c830e825bb896a3d40caa2_amadey_coinminer_elex_remcos_smoke-loader.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c32cefe0 - 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 c32cefe0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" c32cefe0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ c32cefe0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing c32cefe0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" c32cefe0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" c32cefe0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" c32cefe0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" c32cefe0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" c32cefe0 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3036 c32cefe0 3036 c32cefe0 3036 c32cefe0 3036 c32cefe0 3036 c32cefe0 3036 c32cefe0 3036 c32cefe0 3036 c32cefe0 5156 2026-08-16_77c0961996c830e825bb896a3d40caa2_amadey_coinminer_elex_remcos_smoke-loader.exe 5156 2026-08-16_77c0961996c830e825bb896a3d40caa2_amadey_coinminer_elex_remcos_smoke-loader.exe 5156 2026-08-16_77c0961996c830e825bb896a3d40caa2_amadey_coinminer_elex_remcos_smoke-loader.exe 5156 2026-08-16_77c0961996c830e825bb896a3d40caa2_amadey_coinminer_elex_remcos_smoke-loader.exe 5156 2026-08-16_77c0961996c830e825bb896a3d40caa2_amadey_coinminer_elex_remcos_smoke-loader.exe 5156 2026-08-16_77c0961996c830e825bb896a3d40caa2_amadey_coinminer_elex_remcos_smoke-loader.exe 5156 2026-08-16_77c0961996c830e825bb896a3d40caa2_amadey_coinminer_elex_remcos_smoke-loader.exe 5156 2026-08-16_77c0961996c830e825bb896a3d40caa2_amadey_coinminer_elex_remcos_smoke-loader.exe 5156 2026-08-16_77c0961996c830e825bb896a3d40caa2_amadey_coinminer_elex_remcos_smoke-loader.exe 5156 2026-08-16_77c0961996c830e825bb896a3d40caa2_amadey_coinminer_elex_remcos_smoke-loader.exe 5156 2026-08-16_77c0961996c830e825bb896a3d40caa2_amadey_coinminer_elex_remcos_smoke-loader.exe 5156 2026-08-16_77c0961996c830e825bb896a3d40caa2_amadey_coinminer_elex_remcos_smoke-loader.exe 5156 2026-08-16_77c0961996c830e825bb896a3d40caa2_amadey_coinminer_elex_remcos_smoke-loader.exe 5156 2026-08-16_77c0961996c830e825bb896a3d40caa2_amadey_coinminer_elex_remcos_smoke-loader.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5156 2026-08-16_77c0961996c830e825bb896a3d40caa2_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeTcbPrivilege 5156 2026-08-16_77c0961996c830e825bb896a3d40caa2_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeDebugPrivilege 3036 c32cefe0 Token: SeTcbPrivilege 3036 c32cefe0
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-16_77c0961996c830e825bb896a3d40caa2_amadey_coinminer_elex_remcos_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-16_77c0961996c830e825bb896a3d40caa2_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:5156
-
C:\Windows\Syswow64\c32cefe0C:\Windows\Syswow64\c32cefe01⤵
- 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:3036
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\c32cefe0
- Size 618KB
- SHA256 7ba687119cdd3a2db1a8f398fe85478aaf4eba18ce9058a99e76fd5bcec92623
- MD5 a58ffe2e27e1d409975243d3c9a641ff
- SHA1 9f2450f0b3277c54d2b0ce29d3671afd0431bb1c
- SHA512 c6680a924002a48e43efa49538b8791a85d9657b525d65fe326b821cfeb1dafb8362da8355226af381a05eb01a744c0a7a83d30f959f4e69a86cc45439d1fad4
- SSDEEP 12288:PqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:PjHPOSOkx2LFscUQPxW
- TLSH T109D47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH