Analysis
- max time kernel
148s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
20/08/2026, 03:48
Behavioral task
behavioral1
Sample
2026-08-20_4b31d61e771afd127b310661283273cc_amadey_coinminer_elex_smoke-loader_stop.exe
Resource
win10v2004-20260513-en
10 signatures
150 seconds
General
- Target 2026-08-20_4b31d61e771afd127b310661283273cc_amadey_coinminer_elex_smoke-loader_stop.exe
- Size 560KB
- Sample260820-ecwcrayhmc
- SHA256 006e1f73b1bf468c4f6a80bf067afa6cdbfceffda34cbb728b3796d4c577e923
- MD5 4b31d61e771afd127b310661283273cc
- SHA1 849410723b72221abc210304d52c77a547f0526d
- SHA512 5a39f9fdf69a33ff18292d41cda2372b1caf00c1ef07cf8a67ee0f8de13cd8ec25d05f9c5083a02d37eb664f8d996e466cbb455a74cf2d310ac859c053ed8d74
- SSDEEP 6144:54ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:5rNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T197C48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/4168-0-0x0000000000B40000-0x0000000000BCC000-memory.dmp UPX behavioral2/files/0x000c000000016cd6-2.dat UPX behavioral2/memory/3500-3-0x0000000000320000-0x00000000003AC000-memory.dmp UPX behavioral2/memory/4168-16-0x0000000000B40000-0x0000000000BCC000-memory.dmp UPX behavioral2/memory/3500-17-0x0000000000320000-0x00000000003AC000-memory.dmp UPX behavioral2/memory/3500-31-0x0000000000320000-0x00000000003AC000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 3500 b00fc6d1 - 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 25 223.5.5.5 4168 2026-08-20_4b31d61e771afd127b310661283273cc_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 4 114.114.114.114 4168 2026-08-20_4b31d61e771afd127b310661283273cc_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 6 223.5.5.5 4168 2026-08-20_4b31d61e771afd127b310661283273cc_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 24 114.114.114.114 4168 2026-08-20_4b31d61e771afd127b310661283273cc_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 b00fc6d1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b00fc6d1 File created C:\Windows\SysWOW64\b00fc6d1 2026-08-20_4b31d61e771afd127b310661283273cc_amadey_coinminer_elex_smoke-loader_stop.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 b00fc6d1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE b00fc6d1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies b00fc6d1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b00fc6d1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content b00fc6d1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b00fc6d1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b00fc6d1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 b00fc6d1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft b00fc6d1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache b00fc6d1 -
resource yara_rule behavioral2/memory/4168-0-0x0000000000B40000-0x0000000000BCC000-memory.dmp upx behavioral2/files/0x000c000000016cd6-2.dat upx behavioral2/memory/3500-3-0x0000000000320000-0x00000000003AC000-memory.dmp upx behavioral2/memory/4168-16-0x0000000000B40000-0x0000000000BCC000-memory.dmp upx behavioral2/memory/3500-17-0x0000000000320000-0x00000000003AC000-memory.dmp upx behavioral2/memory/3500-31-0x0000000000320000-0x00000000003AC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3bebd8 b00fc6d1 File opened for modification C:\Windows\475b90 2026-08-20_4b31d61e771afd127b310661283273cc_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 2026-08-20_4b31d61e771afd127b310661283273cc_amadey_coinminer_elex_smoke-loader_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b00fc6d1 - 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:" b00fc6d1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" b00fc6d1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" b00fc6d1 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix b00fc6d1 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" b00fc6d1 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ b00fc6d1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" b00fc6d1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" b00fc6d1 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing b00fc6d1 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3500 b00fc6d1 3500 b00fc6d1 3500 b00fc6d1 3500 b00fc6d1 3500 b00fc6d1 3500 b00fc6d1 3500 b00fc6d1 3500 b00fc6d1 4168 2026-08-20_4b31d61e771afd127b310661283273cc_amadey_coinminer_elex_smoke-loader_stop.exe 4168 2026-08-20_4b31d61e771afd127b310661283273cc_amadey_coinminer_elex_smoke-loader_stop.exe 4168 2026-08-20_4b31d61e771afd127b310661283273cc_amadey_coinminer_elex_smoke-loader_stop.exe 4168 2026-08-20_4b31d61e771afd127b310661283273cc_amadey_coinminer_elex_smoke-loader_stop.exe 4168 2026-08-20_4b31d61e771afd127b310661283273cc_amadey_coinminer_elex_smoke-loader_stop.exe 4168 2026-08-20_4b31d61e771afd127b310661283273cc_amadey_coinminer_elex_smoke-loader_stop.exe 4168 2026-08-20_4b31d61e771afd127b310661283273cc_amadey_coinminer_elex_smoke-loader_stop.exe 4168 2026-08-20_4b31d61e771afd127b310661283273cc_amadey_coinminer_elex_smoke-loader_stop.exe 4168 2026-08-20_4b31d61e771afd127b310661283273cc_amadey_coinminer_elex_smoke-loader_stop.exe 4168 2026-08-20_4b31d61e771afd127b310661283273cc_amadey_coinminer_elex_smoke-loader_stop.exe 4168 2026-08-20_4b31d61e771afd127b310661283273cc_amadey_coinminer_elex_smoke-loader_stop.exe 4168 2026-08-20_4b31d61e771afd127b310661283273cc_amadey_coinminer_elex_smoke-loader_stop.exe 4168 2026-08-20_4b31d61e771afd127b310661283273cc_amadey_coinminer_elex_smoke-loader_stop.exe 4168 2026-08-20_4b31d61e771afd127b310661283273cc_amadey_coinminer_elex_smoke-loader_stop.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4168 2026-08-20_4b31d61e771afd127b310661283273cc_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeTcbPrivilege 4168 2026-08-20_4b31d61e771afd127b310661283273cc_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeDebugPrivilege 3500 b00fc6d1 Token: SeTcbPrivilege 3500 b00fc6d1
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-20_4b31d61e771afd127b310661283273cc_amadey_coinminer_elex_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_4b31d61e771afd127b310661283273cc_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:4168
-
C:\Windows\Syswow64\b00fc6d1C:\Windows\Syswow64\b00fc6d11⤵
- 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:3500
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\b00fc6d1
- Size 560KB
- SHA256 e6a5eb27b9cedfd0ee2f1c92d82cc38370d831f97e36689af82dda80c29c4dc3
- MD5 181ddbe422e5c5e4e311e8d8b2d317f1
- SHA1 2bcfd0f8d5a68a8622c70a309ff6b640f86bfa31
- SHA512 aab6801e0e156735343719396a79f2a5e52c4a199ab4c542eae03a25c729450eaae85f7edb36e1133a2bb7a1510738573590ccf87d336200cf0d5d64eefcbd6e
- SSDEEP 6144:M4ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:MrNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T1FEC48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH