Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
06/06/2026, 03:18
Behavioral task
behavioral1
Sample
2026-06-06_dc8ab032f4fbc2eab18b0a2e0804cd30_amadey_coinminer_elex_smoke-loader_stop.exe
Resource
win10v2004-20260513-en
10 signatures
150 seconds
General
- Target 2026-06-06_dc8ab032f4fbc2eab18b0a2e0804cd30_amadey_coinminer_elex_smoke-loader_stop.exe
- Size 761KB
- Sample260606-dts4aaay2r
- SHA256 e7efaa26474cca0db41b9f65ed12b6a34913e53b0a3b091f2d63f97d4454929a
- MD5 dc8ab032f4fbc2eab18b0a2e0804cd30
- SHA1 5be587553b59dfef51e0cc930359e1a165960d3c
- SHA512 dcaf272c760b800adff4980a99b2f765c6bd8f93bd630f3794ff825a177a11f4cfe0f52fc0c68ca0ac6107ddbcfb6ea31118860da61bdcac438e613fedefa0e8
- SSDEEP 12288:lSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:EvO2xJKRw2kOkxSkW298B
- TLSH T15CF49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/4160-0-0x0000000000780000-0x000000000080C000-memory.dmp UPX behavioral2/files/0x001d00000002b3a1-3.dat UPX behavioral2/memory/3920-4-0x0000000000630000-0x00000000006BC000-memory.dmp UPX behavioral2/memory/4160-10-0x0000000000780000-0x000000000080C000-memory.dmp UPX behavioral2/memory/3920-11-0x0000000000630000-0x00000000006BC000-memory.dmp UPX behavioral2/memory/3920-16-0x0000000000630000-0x00000000006BC000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 3920 81f71258 - 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 4160 2026-06-06_dc8ab032f4fbc2eab18b0a2e0804cd30_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 2 223.5.5.5 4160 2026-06-06_dc8ab032f4fbc2eab18b0a2e0804cd30_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 5 114.114.114.114 4160 2026-06-06_dc8ab032f4fbc2eab18b0a2e0804cd30_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 6 223.5.5.5 4160 2026-06-06_dc8ab032f4fbc2eab18b0a2e0804cd30_amadey_coinminer_elex_smoke-loader_stop.exe - Drops file in System32 directory 5 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 81f71258 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 81f71258 File created C:\Windows\SysWOW64\81f71258 2026-06-06_dc8ab032f4fbc2eab18b0a2e0804cd30_amadey_coinminer_elex_smoke-loader_stop.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 81f71258 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 81f71258 -
resource yara_rule behavioral2/memory/4160-0-0x0000000000780000-0x000000000080C000-memory.dmp upx behavioral2/files/0x001d00000002b3a1-3.dat upx behavioral2/memory/3920-4-0x0000000000630000-0x00000000006BC000-memory.dmp upx behavioral2/memory/4160-10-0x0000000000780000-0x000000000080C000-memory.dmp upx behavioral2/memory/3920-11-0x0000000000630000-0x00000000006BC000-memory.dmp upx behavioral2/memory/3920-16-0x0000000000630000-0x00000000006BC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\473880 2026-06-06_dc8ab032f4fbc2eab18b0a2e0804cd30_amadey_coinminer_elex_smoke-loader_stop.exe File opened for modification C:\Windows\431ca0 81f71258 - 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 2026-06-06_dc8ab032f4fbc2eab18b0a2e0804cd30_amadey_coinminer_elex_smoke-loader_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 81f71258 - Modifies data under HKEY_USERS 8 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 81f71258 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 81f71258 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 81f71258 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 81f71258 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 81f71258 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 81f71258 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 81f71258 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 81f71258 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3920 81f71258 3920 81f71258 3920 81f71258 3920 81f71258 3920 81f71258 3920 81f71258 3920 81f71258 3920 81f71258 4160 2026-06-06_dc8ab032f4fbc2eab18b0a2e0804cd30_amadey_coinminer_elex_smoke-loader_stop.exe 4160 2026-06-06_dc8ab032f4fbc2eab18b0a2e0804cd30_amadey_coinminer_elex_smoke-loader_stop.exe 4160 2026-06-06_dc8ab032f4fbc2eab18b0a2e0804cd30_amadey_coinminer_elex_smoke-loader_stop.exe 4160 2026-06-06_dc8ab032f4fbc2eab18b0a2e0804cd30_amadey_coinminer_elex_smoke-loader_stop.exe 4160 2026-06-06_dc8ab032f4fbc2eab18b0a2e0804cd30_amadey_coinminer_elex_smoke-loader_stop.exe 4160 2026-06-06_dc8ab032f4fbc2eab18b0a2e0804cd30_amadey_coinminer_elex_smoke-loader_stop.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4160 2026-06-06_dc8ab032f4fbc2eab18b0a2e0804cd30_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeTcbPrivilege 4160 2026-06-06_dc8ab032f4fbc2eab18b0a2e0804cd30_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeDebugPrivilege 3920 81f71258 Token: SeTcbPrivilege 3920 81f71258
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-06-06_dc8ab032f4fbc2eab18b0a2e0804cd30_amadey_coinminer_elex_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-06-06_dc8ab032f4fbc2eab18b0a2e0804cd30_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:4160
-
C:\Windows\Syswow64\81f71258C:\Windows\Syswow64\81f712581⤵
- 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:3920
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\81f71258
- Size 761KB
- SHA256 4b44caf4b804576d1aaa70bcd39a2d69806c3d97d36105e849e002f1654341b8
- MD5 0d60338b2d3b051c244fddc5ee1e413d
- SHA1 7d437489ef0b21da644d2555ae9b356a73419b2e
- SHA512 67aa88d5c5aa44faf1b419058a60cff42d6556c92b595818d4ebce88f9d25d62414af61408331238ef9fd5f201625ac5be81ffd126fe9b1ec1f2d71bde16ebbd
- SSDEEP 12288:gSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:7vO2xJKRw2kOkxSkW298B
- TLSH T12AF49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH