Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
28/07/2026, 10:41
Behavioral task
behavioral1
Sample
2026-07-28_d3d8a7fa504ab9139acc6afc314bda0a_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2026-07-28_d3d8a7fa504ab9139acc6afc314bda0a_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
- Size 873KB
- Sample260728-mrazcsvbna
- SHA256 57d7204e8bf037c45255f166c49541f643de3b174b757f887a6e0644a0137a0e
- MD5 d3d8a7fa504ab9139acc6afc314bda0a
- SHA1 4859581bff8518952dd382dba21a58932eae6f13
- SHA512 2cbd7788720eb585ff58dd38634d9030a7485008eaa71c3bbb664b9cad655e044d260dbdf4ac2d6d260aacafcb8e248a8b296becc42d47e4846cb1ec2f063a96
- SSDEEP 12288:bSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3uEW:uvO2xJKRw2kOkx2LFRvcUQPxW
- TLSH T187156B31E641C036D0A34576C6FA4BBFE964BD25531165CBA3D43A262FB32D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral1/memory/1832-0-0x0000000000150000-0x00000000001DC000-memory.dmp UPX behavioral1/files/0x000a000000016817-2.dat UPX behavioral1/memory/4736-4-0x0000000000B70000-0x0000000000BFC000-memory.dmp UPX behavioral1/memory/1832-10-0x0000000000150000-0x00000000001DC000-memory.dmp UPX behavioral1/memory/4736-11-0x0000000000B70000-0x0000000000BFC000-memory.dmp UPX behavioral1/memory/4736-32-0x0000000000B70000-0x0000000000BFC000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4736 4243c556 - 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 4 223.5.5.5 1832 2026-07-28_d3d8a7fa504ab9139acc6afc314bda0a_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 35 114.114.114.114 1832 2026-07-28_d3d8a7fa504ab9139acc6afc314bda0a_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 36 223.5.5.5 1832 2026-07-28_d3d8a7fa504ab9139acc6afc314bda0a_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 102 114.114.114.114 1832 2026-07-28_d3d8a7fa504ab9139acc6afc314bda0a_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 103 223.5.5.5 1832 2026-07-28_d3d8a7fa504ab9139acc6afc314bda0a_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 1 114.114.114.114 1832 2026-07-28_d3d8a7fa504ab9139acc6afc314bda0a_amadey_coinminer_elex_remcos_smoke-loader_stop.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 4243c556 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 4243c556 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 4243c556 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 4243c556 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 4243c556 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4243c556 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 4243c556 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 4243c556 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 4243c556 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4243c556 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4243c556 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 4243c556 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 4243c556 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 4243c556 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4243c556 File created C:\Windows\SysWOW64\4243c556 2026-07-28_d3d8a7fa504ab9139acc6afc314bda0a_amadey_coinminer_elex_remcos_smoke-loader_stop.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 4243c556 -
resource yara_rule behavioral1/memory/1832-0-0x0000000000150000-0x00000000001DC000-memory.dmp upx behavioral1/files/0x000a000000016817-2.dat upx behavioral1/memory/4736-4-0x0000000000B70000-0x0000000000BFC000-memory.dmp upx behavioral1/memory/1832-10-0x0000000000150000-0x00000000001DC000-memory.dmp upx behavioral1/memory/4736-11-0x0000000000B70000-0x0000000000BFC000-memory.dmp upx behavioral1/memory/4736-32-0x0000000000B70000-0x0000000000BFC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\511500 4243c556 File opened for modification C:\Windows\1f5d50 2026-07-28_d3d8a7fa504ab9139acc6afc314bda0a_amadey_coinminer_elex_remcos_smoke-loader_stop.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 2026-07-28_d3d8a7fa504ab9139acc6afc314bda0a_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4243c556 - 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\History\CachePrefix = "Visited:" 4243c556 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 4243c556 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 4243c556 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 4243c556 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 4243c556 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 4243c556 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 4243c556 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 4243c556 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 4243c556 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4736 4243c556 4736 4243c556 4736 4243c556 4736 4243c556 4736 4243c556 4736 4243c556 4736 4243c556 4736 4243c556 1832 2026-07-28_d3d8a7fa504ab9139acc6afc314bda0a_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 1832 2026-07-28_d3d8a7fa504ab9139acc6afc314bda0a_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 1832 2026-07-28_d3d8a7fa504ab9139acc6afc314bda0a_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 1832 2026-07-28_d3d8a7fa504ab9139acc6afc314bda0a_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 1832 2026-07-28_d3d8a7fa504ab9139acc6afc314bda0a_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 1832 2026-07-28_d3d8a7fa504ab9139acc6afc314bda0a_amadey_coinminer_elex_remcos_smoke-loader_stop.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1832 2026-07-28_d3d8a7fa504ab9139acc6afc314bda0a_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Token: SeTcbPrivilege 1832 2026-07-28_d3d8a7fa504ab9139acc6afc314bda0a_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Token: SeDebugPrivilege 4736 4243c556 Token: SeTcbPrivilege 4736 4243c556
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-28_d3d8a7fa504ab9139acc6afc314bda0a_amadey_coinminer_elex_remcos_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-28_d3d8a7fa504ab9139acc6afc314bda0a_amadey_coinminer_elex_remcos_smoke-loader_stop.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:1832
-
C:\Windows\Syswow64\4243c556C:\Windows\Syswow64\4243c5561⤵
- 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:4736
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\4243c556
- Size 873KB
- SHA256 5e0f996f77c3ebe6fa0cde583dc3ba5d7d32bfcec6eba12540c7f71ff08aee40
- MD5 45c37e4390157fa04e71cb92ccf4b790
- SHA1 70521d9aa1f2e184e671a97308e0c1eff1c9cecd
- SHA512 72786b7d49a2a0700465c400336d8f9cb63281186aac61747441a5841a33d90784971d1124fb9911c83daf390c896b7471da7a4e9a709ad30c4b039ff8e9311c
- SSDEEP 12288:vSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3uEW:avO2xJKRw2kOkx2LFRvcUQPxW
- TLSH T1D7156B31E641C036D0A34576C6FA4BBFE964BD25531165CBA3D43A262FB32D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH