Analysis
- max time kernel
149s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
04/05/2026, 02:12
Behavioral task
behavioral1
Sample
2026-05-04_ffec81556c251bb4bdb39b2f80ef864a_amadey_coinminer_elex_smoke-loader_stop.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2026-05-04_ffec81556c251bb4bdb39b2f80ef864a_amadey_coinminer_elex_smoke-loader_stop.exe
- Size 640KB
- Sample260504-cm1dcabt5x
- SHA256 caf9caf41072f2b3d8071ac4d4a531a3b7fe3635a2c82842ab8e703ecdc7c599
- MD5 ffec81556c251bb4bdb39b2f80ef864a
- SHA1 9af738e677f2f52ca9c73e3c3923036b4d842a9a
- SHA512 2f998f631eabb850272b6a93d5fe507c4838903d2d44a935848dc57e6ea57289915d47b5ca591fd6805e38eb60700295f56ed66e33824dd43052f62c50a27079
- SSDEEP 6144:fcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:fSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T1C8D45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Custom signatureUPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/4944-0-0x0000000000B20000-0x0000000000BAC000-memory.dmp UPX behavioral2/files/0x002800000002b22c-2.dat UPX behavioral2/memory/4916-4-0x0000000000A90000-0x0000000000B1C000-memory.dmp UPX behavioral2/memory/4944-10-0x0000000000B20000-0x0000000000BAC000-memory.dmp UPX behavioral2/memory/4916-11-0x0000000000A90000-0x0000000000B1C000-memory.dmp UPX behavioral2/memory/4916-22-0x0000000000A90000-0x0000000000B1C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4916 6f5af3fc - 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 4944 2026-05-04_ffec81556c251bb4bdb39b2f80ef864a_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 2 223.5.5.5 4944 2026-05-04_ffec81556c251bb4bdb39b2f80ef864a_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 11 114.114.114.114 4944 2026-05-04_ffec81556c251bb4bdb39b2f80ef864a_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 12 223.5.5.5 4944 2026-05-04_ffec81556c251bb4bdb39b2f80ef864a_amadey_coinminer_elex_smoke-loader_stop.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 6f5af3fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 6f5af3fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 6f5af3fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 6f5af3fc File created C:\Windows\SysWOW64\6f5af3fc 2026-05-04_ffec81556c251bb4bdb39b2f80ef864a_amadey_coinminer_elex_smoke-loader_stop.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 6f5af3fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 6f5af3fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 6f5af3fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 6f5af3fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 6f5af3fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 6f5af3fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 6f5af3fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 6f5af3fc -
resource yara_rule behavioral2/memory/4944-0-0x0000000000B20000-0x0000000000BAC000-memory.dmp upx behavioral2/files/0x002800000002b22c-2.dat upx behavioral2/memory/4916-4-0x0000000000A90000-0x0000000000B1C000-memory.dmp upx behavioral2/memory/4944-10-0x0000000000B20000-0x0000000000BAC000-memory.dmp upx behavioral2/memory/4916-11-0x0000000000A90000-0x0000000000B1C000-memory.dmp upx behavioral2/memory/4916-22-0x0000000000A90000-0x0000000000B1C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\5429e8 6f5af3fc File opened for modification C:\Windows\54a4a0 2026-05-04_ffec81556c251bb4bdb39b2f80ef864a_amadey_coinminer_elex_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 2026-05-04_ffec81556c251bb4bdb39b2f80ef864a_amadey_coinminer_elex_smoke-loader_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6f5af3fc - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 6f5af3fc Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 6f5af3fc Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 6f5af3fc Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 6f5af3fc Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 6f5af3fc Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 6f5af3fc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 6f5af3fc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 6f5af3fc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 6f5af3fc - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4916 6f5af3fc 4916 6f5af3fc 4916 6f5af3fc 4916 6f5af3fc 4916 6f5af3fc 4916 6f5af3fc 4916 6f5af3fc 4916 6f5af3fc 4944 2026-05-04_ffec81556c251bb4bdb39b2f80ef864a_amadey_coinminer_elex_smoke-loader_stop.exe 4944 2026-05-04_ffec81556c251bb4bdb39b2f80ef864a_amadey_coinminer_elex_smoke-loader_stop.exe 4944 2026-05-04_ffec81556c251bb4bdb39b2f80ef864a_amadey_coinminer_elex_smoke-loader_stop.exe 4944 2026-05-04_ffec81556c251bb4bdb39b2f80ef864a_amadey_coinminer_elex_smoke-loader_stop.exe 4944 2026-05-04_ffec81556c251bb4bdb39b2f80ef864a_amadey_coinminer_elex_smoke-loader_stop.exe 4944 2026-05-04_ffec81556c251bb4bdb39b2f80ef864a_amadey_coinminer_elex_smoke-loader_stop.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4944 2026-05-04_ffec81556c251bb4bdb39b2f80ef864a_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeTcbPrivilege 4944 2026-05-04_ffec81556c251bb4bdb39b2f80ef864a_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeDebugPrivilege 4916 6f5af3fc Token: SeTcbPrivilege 4916 6f5af3fc
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-04_ffec81556c251bb4bdb39b2f80ef864a_amadey_coinminer_elex_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-04_ffec81556c251bb4bdb39b2f80ef864a_amadey_coinminer_elex_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:4944
-
C:\Windows\Syswow64\6f5af3fcC:\Windows\Syswow64\6f5af3fc1⤵
- 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:4916
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\6f5af3fc
- Size 640KB
- SHA256 fcf2b52b79fc9011a2a01407d0eb6417fbe51a28af0c29aad0222b1b027b317d
- MD5 08bc44c0e4f268735aeaea2a2a6c2b57
- SHA1 0e20302ee73a0d444ab6210c54d9ce8b3a9596cb
- SHA512 84f69e2855a5ea977a277e5299dfe720921387301995933e82193aefe8825d01770bc2a69c7af72fac5329820ecfd0138e6026b5676830f2762768d70d298ba7
- SSDEEP 6144:WcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:WSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T1F3D45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH