Analysis
- max time kernel
150s - max time network
155s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
10/08/2026, 20:01
Behavioral task
behavioral1
Sample
2026-08-10_9620bef14aa1d1fa7803f2b106982d58_amadey_coinminer_elex_smoke-loader_stop.exe
Resource
win10v2004-20260513-en
11 signatures
150 seconds
General
- Target 2026-08-10_9620bef14aa1d1fa7803f2b106982d58_amadey_coinminer_elex_smoke-loader_stop.exe
- Size 525KB
- Sample260810-yrpcjaxbpb
- SHA256 80da9df204c18ba1359fae7c52861ac7d614132b77e2254b77c1096674c836e9
- MD5 9620bef14aa1d1fa7803f2b106982d58
- SHA1 e7257189878de939fa0dff146e77778b552a7274
- SHA512 f11acf576ab503da270c0f8017ad92081607d8dbbf2d1b7e5bcaeebc0e99201057ddd8b3427558873ab5bae4779655032f3f4cdf323f8ec69c491f6e8f07e84c
- SSDEEP 6144:OcTgav1cdCTuoPbgwmOLJvKRhLSFXdFwirGcEOkCybEaQRXr9HNdvOaey8K:OSvO2x9mONvKRhLSFtsOkx2LIaey
- TLSH T13BB47D2AB6A0D076C4779579C4A257BAFBB1742137204ACFA390475A1F237E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/1716-0-0x0000000000010000-0x000000000009C000-memory.dmp UPX behavioral2/files/0x000a000000019caa-2.dat UPX behavioral2/memory/4980-3-0x0000000000C00000-0x0000000000C8C000-memory.dmp UPX behavioral2/memory/1716-10-0x0000000000010000-0x000000000009C000-memory.dmp UPX behavioral2/memory/4980-11-0x0000000000C00000-0x0000000000C8C000-memory.dmp UPX behavioral2/memory/4980-32-0x0000000000C00000-0x0000000000C8C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4980 fc4d35a8 - 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 1716 2026-08-10_9620bef14aa1d1fa7803f2b106982d58_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 3 223.5.5.5 1716 2026-08-10_9620bef14aa1d1fa7803f2b106982d58_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 22 114.114.114.114 1716 2026-08-10_9620bef14aa1d1fa7803f2b106982d58_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 23 223.5.5.5 1716 2026-08-10_9620bef14aa1d1fa7803f2b106982d58_amadey_coinminer_elex_smoke-loader_stop.exe - Drops file in System32 directory 13 IoCs
description ioc Process File created C:\Windows\SysWOW64\fc4d35a8 2026-08-10_9620bef14aa1d1fa7803f2b106982d58_amadey_coinminer_elex_smoke-loader_stop.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 fc4d35a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies fc4d35a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 fc4d35a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft fc4d35a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData fc4d35a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 fc4d35a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 fc4d35a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE fc4d35a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache fc4d35a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content fc4d35a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 fc4d35a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 fc4d35a8 -
resource yara_rule behavioral2/memory/1716-0-0x0000000000010000-0x000000000009C000-memory.dmp upx behavioral2/files/0x000a000000019caa-2.dat upx behavioral2/memory/4980-3-0x0000000000C00000-0x0000000000C8C000-memory.dmp upx behavioral2/memory/1716-10-0x0000000000010000-0x000000000009C000-memory.dmp upx behavioral2/memory/4980-11-0x0000000000C00000-0x0000000000C8C000-memory.dmp upx behavioral2/memory/4980-32-0x0000000000C00000-0x0000000000C8C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\554268 fc4d35a8 File opened for modification C:\Windows\1d60e8 2026-08-10_9620bef14aa1d1fa7803f2b106982d58_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 2026-08-10_9620bef14aa1d1fa7803f2b106982d58_amadey_coinminer_elex_smoke-loader_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fc4d35a8 - 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 fc4d35a8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" fc4d35a8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ fc4d35a8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing fc4d35a8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" fc4d35a8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" fc4d35a8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" fc4d35a8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" fc4d35a8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" fc4d35a8 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4980 fc4d35a8 4980 fc4d35a8 4980 fc4d35a8 4980 fc4d35a8 4980 fc4d35a8 4980 fc4d35a8 4980 fc4d35a8 4980 fc4d35a8 1716 2026-08-10_9620bef14aa1d1fa7803f2b106982d58_amadey_coinminer_elex_smoke-loader_stop.exe 1716 2026-08-10_9620bef14aa1d1fa7803f2b106982d58_amadey_coinminer_elex_smoke-loader_stop.exe 1716 2026-08-10_9620bef14aa1d1fa7803f2b106982d58_amadey_coinminer_elex_smoke-loader_stop.exe 1716 2026-08-10_9620bef14aa1d1fa7803f2b106982d58_amadey_coinminer_elex_smoke-loader_stop.exe 1716 2026-08-10_9620bef14aa1d1fa7803f2b106982d58_amadey_coinminer_elex_smoke-loader_stop.exe 1716 2026-08-10_9620bef14aa1d1fa7803f2b106982d58_amadey_coinminer_elex_smoke-loader_stop.exe 1716 2026-08-10_9620bef14aa1d1fa7803f2b106982d58_amadey_coinminer_elex_smoke-loader_stop.exe 1716 2026-08-10_9620bef14aa1d1fa7803f2b106982d58_amadey_coinminer_elex_smoke-loader_stop.exe 1716 2026-08-10_9620bef14aa1d1fa7803f2b106982d58_amadey_coinminer_elex_smoke-loader_stop.exe 1716 2026-08-10_9620bef14aa1d1fa7803f2b106982d58_amadey_coinminer_elex_smoke-loader_stop.exe 1716 2026-08-10_9620bef14aa1d1fa7803f2b106982d58_amadey_coinminer_elex_smoke-loader_stop.exe 1716 2026-08-10_9620bef14aa1d1fa7803f2b106982d58_amadey_coinminer_elex_smoke-loader_stop.exe 1716 2026-08-10_9620bef14aa1d1fa7803f2b106982d58_amadey_coinminer_elex_smoke-loader_stop.exe 1716 2026-08-10_9620bef14aa1d1fa7803f2b106982d58_amadey_coinminer_elex_smoke-loader_stop.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1716 2026-08-10_9620bef14aa1d1fa7803f2b106982d58_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeTcbPrivilege 1716 2026-08-10_9620bef14aa1d1fa7803f2b106982d58_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeDebugPrivilege 4980 fc4d35a8 Token: SeTcbPrivilege 4980 fc4d35a8
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-10_9620bef14aa1d1fa7803f2b106982d58_amadey_coinminer_elex_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-10_9620bef14aa1d1fa7803f2b106982d58_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:1716
-
C:\Windows\Syswow64\fc4d35a8C:\Windows\Syswow64\fc4d35a81⤵
- 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:4980
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\fc4d35a8
- Size 525KB
- SHA256 f175b669c37ad0f8f63b2087aa46cb721a33e66ba05ac6a542e30be6b3a17c4a
- MD5 f7bdee158cd490e2ea9fa93e8f57b640
- SHA1 34c99babddc6fbd526e587ff74074f646efd7902
- SHA512 f2868c9d3001d822774a7855b7d341cbfd865ead1da848941da8f7ad3caef2e966c63a5178277252ced28793fb38ace15f5129b843b8f416698db05fbc0ef135
- SSDEEP 6144:1cTgav1cdCTuoPbgwmOLJvKRhLSFXdFwirGcEOkCybEaQRXr9HNdvOaey8K:1SvO2x9mONvKRhLSFtsOkx2LIaey
- TLSH T11EB47D2AB6A0D076C4779579C4A257BAFBB1742137204ACFA390475A1F237E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH