Analysis
- max time kernel
149s - max time network
144s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
23/10/2026, 21:10
Behavioral task
behavioral1
Sample
2026-10-22_c62b4726113d0b4cb8c578f643153c58_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
Resource
win10v2004-20260911-en
11 signatures
150 seconds
General
- Target 2026-10-22_c62b4726113d0b4cb8c578f643153c58_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
- Size 873KB
- Sample261023-zz95msdf54
- SHA256 73ccf65e0eb4662a63400df063ac10cfe552ea1d6cb2b63388e18fea0e5ede4c
- MD5 c62b4726113d0b4cb8c578f643153c58
- SHA1 260b1458b4aa766cd05162d68395823e98ac8935
- SHA512 a9f6d69dedd7d7d1bdc0884be21cf7d86bcac30e32d6739650af1b5be13fdd115f8d787c83fcb39350454810cf7fc9c4f2820bd05fe2ebd7e07e12a830b67fdb
- SSDEEP 12288:ySvO2x9mONvKRhLSFtsOkx2LIaeyk5FAQjU/Lik8CQ3uEW:ZvO2xJKRh2kOkx2LFxNcUQPxW
- TLSH T184156B31E641C036D0A34576C6FA4BBFE964BD25531165CBA3D43A262FB32D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral1/memory/4728-0-0x0000000000260000-0x00000000002EC000-memory.dmp UPX behavioral1/files/0x000a00000002439f-2.dat UPX behavioral1/memory/1756-4-0x0000000000460000-0x00000000004EC000-memory.dmp UPX behavioral1/memory/4728-18-0x0000000000260000-0x00000000002EC000-memory.dmp UPX behavioral1/memory/1756-19-0x0000000000460000-0x00000000004EC000-memory.dmp UPX behavioral1/memory/1756-36-0x0000000000460000-0x00000000004EC000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 1756 78ab8e40 - Unexpected DNS network traffic destination 18 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 43 223.5.5.5 4728 2026-10-22_c62b4726113d0b4cb8c578f643153c58_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 217 223.5.5.5 4728 2026-10-22_c62b4726113d0b4cb8c578f643153c58_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 435 223.5.5.5 4728 2026-10-22_c62b4726113d0b4cb8c578f643153c58_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 111 114.114.114.114 1756 78ab8e40 Destination IP 112 223.5.5.5 4728 2026-10-22_c62b4726113d0b4cb8c578f643153c58_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 152 114.114.114.114 4728 2026-10-22_c62b4726113d0b4cb8c578f643153c58_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 154 223.5.5.5 4728 2026-10-22_c62b4726113d0b4cb8c578f643153c58_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 216 114.114.114.114 4728 2026-10-22_c62b4726113d0b4cb8c578f643153c58_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 277 114.114.114.114 4728 2026-10-22_c62b4726113d0b4cb8c578f643153c58_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 278 223.5.5.5 4728 2026-10-22_c62b4726113d0b4cb8c578f643153c58_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 434 114.114.114.114 4728 2026-10-22_c62b4726113d0b4cb8c578f643153c58_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 6 223.5.5.5 4728 2026-10-22_c62b4726113d0b4cb8c578f643153c58_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 342 114.114.114.114 4728 2026-10-22_c62b4726113d0b4cb8c578f643153c58_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 343 223.5.5.5 4728 2026-10-22_c62b4726113d0b4cb8c578f643153c58_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 5 114.114.114.114 4728 2026-10-22_c62b4726113d0b4cb8c578f643153c58_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 42 114.114.114.114 4728 2026-10-22_c62b4726113d0b4cb8c578f643153c58_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 373 114.114.114.114 4728 2026-10-22_c62b4726113d0b4cb8c578f643153c58_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 374 223.5.5.5 4728 2026-10-22_c62b4726113d0b4cb8c578f643153c58_amadey_coinminer_elex_remcos_smoke-loader_stop.exe - Drops file in System32 directory 13 IoCs
description ioc Process File created C:\Windows\SysWOW64\78ab8e40 2026-10-22_c62b4726113d0b4cb8c578f643153c58_amadey_coinminer_elex_remcos_smoke-loader_stop.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 78ab8e40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 78ab8e40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 78ab8e40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 78ab8e40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 78ab8e40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 78ab8e40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 78ab8e40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 78ab8e40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 78ab8e40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 78ab8e40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 78ab8e40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 78ab8e40 -
resource yara_rule behavioral1/memory/4728-0-0x0000000000260000-0x00000000002EC000-memory.dmp upx behavioral1/files/0x000a00000002439f-2.dat upx behavioral1/memory/1756-4-0x0000000000460000-0x00000000004EC000-memory.dmp upx behavioral1/memory/4728-18-0x0000000000260000-0x00000000002EC000-memory.dmp upx behavioral1/memory/1756-19-0x0000000000460000-0x00000000004EC000-memory.dmp upx behavioral1/memory/1756-36-0x0000000000460000-0x00000000004EC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\1e1038 78ab8e40 File opened for modification C:\Windows\50f1f0 2026-10-22_c62b4726113d0b4cb8c578f643153c58_amadey_coinminer_elex_remcos_smoke-loader_stop.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname 78ab8e40 Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain 78ab8e40 Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname 2026-10-22_c62b4726113d0b4cb8c578f643153c58_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain 2026-10-22_c62b4726113d0b4cb8c578f643153c58_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 2026-10-22_c62b4726113d0b4cb8c578f643153c58_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 78ab8e40 - 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 78ab8e40 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 78ab8e40 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 78ab8e40 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 78ab8e40 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 78ab8e40 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 78ab8e40 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 78ab8e40 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 78ab8e40 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 78ab8e40 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1756 78ab8e40 1756 78ab8e40 1756 78ab8e40 1756 78ab8e40 1756 78ab8e40 1756 78ab8e40 1756 78ab8e40 1756 78ab8e40 4728 2026-10-22_c62b4726113d0b4cb8c578f643153c58_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 4728 2026-10-22_c62b4726113d0b4cb8c578f643153c58_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 4728 2026-10-22_c62b4726113d0b4cb8c578f643153c58_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 4728 2026-10-22_c62b4726113d0b4cb8c578f643153c58_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 4728 2026-10-22_c62b4726113d0b4cb8c578f643153c58_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 4728 2026-10-22_c62b4726113d0b4cb8c578f643153c58_amadey_coinminer_elex_remcos_smoke-loader_stop.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4728 2026-10-22_c62b4726113d0b4cb8c578f643153c58_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Token: SeTcbPrivilege 4728 2026-10-22_c62b4726113d0b4cb8c578f643153c58_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Token: SeDebugPrivilege 1756 78ab8e40 Token: SeTcbPrivilege 1756 78ab8e40
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-22_c62b4726113d0b4cb8c578f643153c58_amadey_coinminer_elex_remcos_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-22_c62b4726113d0b4cb8c578f643153c58_amadey_coinminer_elex_remcos_smoke-loader_stop.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4728
-
C:\Windows\Syswow64\78ab8e40C:\Windows\Syswow64\78ab8e401⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1756
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\78ab8e40
- Size 873KB
- SHA256 c735b9ece2ce8ccd7b99b8bdd37d04ecbbda7e027f94ab8690d94f853cf9be4d
- MD5 85a51821ce3f2a4d85d5e8db44d824b1
- SHA1 616a4f440f0cb9491c0975bf0298e0884899f8dc
- SHA512 590463f6a71a800f193a287dbaf6b17e8b964d21ae3a28300597b7c5171b00f275d3faf94f73af3c38fdd94c57adb0554081c94662e01d4bd61617bf06ff642e
- SSDEEP 12288:JSvO2x9mONvKRhLSFtsOkx2LIaeyk5FAQjU/Lik8CQ3uEW:wvO2xJKRh2kOkx2LFxNcUQPxW
- TLSH T198156B31E641C036D0A34576C6FA4BBFE964BD25531165CBA3D43A262FB32D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH