Analysis
- max time kernel
150s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
08/08/2026, 18:59
Behavioral task
behavioral1
Sample
2026-08-08_3825defa764ad97ed3e98b92359c1923_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260513-en
10 signatures
150 seconds
General
- Target 2026-08-08_3825defa764ad97ed3e98b92359c1923_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
- Size 560KB
- Sample260808-xnb3csxthv
- SHA256 c4e14696d01cde2b49422d7f8fedb21d5f9392e65ad0acecd74d204e19e909f9
- MD5 3825defa764ad97ed3e98b92359c1923
- SHA1 becef5359a53342cfc90c64de1aaec0497f56b70
- SHA512 ac468e3c75ad681abbcb5da468ceff510b0564f067118d1ce8ced7c8b06374f53792fea0159cd7148c764458717752c58e6fca7e664589020aa84039589e83c0
- SSDEEP 12288:v3Sgbu4VOGWPSqt6IpouYgCEmx1z725uRG9OArjlI6YeLm08XsOkx2LIa+y:NVOL4/gPXKCOkx2LFR
- TLSH T109C46D2AB6E0D076C4B79574C4A256A6FFB1B43127204ACF6390475A1F637E2BE3530E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/3328-0-0x0000000000720000-0x00000000007AC000-memory.dmp UPX behavioral2/files/0x000a000000019caa-2.dat UPX behavioral2/memory/5076-3-0x0000000000290000-0x000000000031C000-memory.dmp UPX behavioral2/memory/3328-16-0x0000000000720000-0x00000000007AC000-memory.dmp UPX behavioral2/memory/5076-17-0x0000000000290000-0x000000000031C000-memory.dmp UPX behavioral2/memory/5076-31-0x0000000000290000-0x000000000031C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 5076 638b8a0e - 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 27 114.114.114.114 3328 2026-08-08_3825defa764ad97ed3e98b92359c1923_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Destination IP 28 223.5.5.5 3328 2026-08-08_3825defa764ad97ed3e98b92359c1923_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Destination IP 1 114.114.114.114 3328 2026-08-08_3825defa764ad97ed3e98b92359c1923_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Destination IP 4 223.5.5.5 3328 2026-08-08_3825defa764ad97ed3e98b92359c1923_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 638b8a0e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 638b8a0e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 638b8a0e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 638b8a0e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 638b8a0e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 638b8a0e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 638b8a0e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 638b8a0e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 638b8a0e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 638b8a0e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 638b8a0e File created C:\Windows\SysWOW64\638b8a0e 2026-08-08_3825defa764ad97ed3e98b92359c1923_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 638b8a0e -
resource yara_rule behavioral2/memory/3328-0-0x0000000000720000-0x00000000007AC000-memory.dmp upx behavioral2/files/0x000a000000019caa-2.dat upx behavioral2/memory/5076-3-0x0000000000290000-0x000000000031C000-memory.dmp upx behavioral2/memory/3328-16-0x0000000000720000-0x00000000007AC000-memory.dmp upx behavioral2/memory/5076-17-0x0000000000290000-0x000000000031C000-memory.dmp upx behavioral2/memory/5076-31-0x0000000000290000-0x000000000031C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\38fa00 2026-08-08_3825defa764ad97ed3e98b92359c1923_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe File opened for modification C:\Windows\56e728 638b8a0e - 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 2026-08-08_3825defa764ad97ed3e98b92359c1923_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 638b8a0e - 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:" 638b8a0e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 638b8a0e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 638b8a0e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 638b8a0e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 638b8a0e Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 638b8a0e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 638b8a0e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 638b8a0e Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 638b8a0e - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5076 638b8a0e 5076 638b8a0e 5076 638b8a0e 5076 638b8a0e 5076 638b8a0e 5076 638b8a0e 5076 638b8a0e 5076 638b8a0e 3328 2026-08-08_3825defa764ad97ed3e98b92359c1923_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 3328 2026-08-08_3825defa764ad97ed3e98b92359c1923_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 3328 2026-08-08_3825defa764ad97ed3e98b92359c1923_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 3328 2026-08-08_3825defa764ad97ed3e98b92359c1923_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 3328 2026-08-08_3825defa764ad97ed3e98b92359c1923_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 3328 2026-08-08_3825defa764ad97ed3e98b92359c1923_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 3328 2026-08-08_3825defa764ad97ed3e98b92359c1923_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 3328 2026-08-08_3825defa764ad97ed3e98b92359c1923_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 3328 2026-08-08_3825defa764ad97ed3e98b92359c1923_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 3328 2026-08-08_3825defa764ad97ed3e98b92359c1923_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 3328 2026-08-08_3825defa764ad97ed3e98b92359c1923_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 3328 2026-08-08_3825defa764ad97ed3e98b92359c1923_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 3328 2026-08-08_3825defa764ad97ed3e98b92359c1923_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 3328 2026-08-08_3825defa764ad97ed3e98b92359c1923_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3328 2026-08-08_3825defa764ad97ed3e98b92359c1923_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 3328 2026-08-08_3825defa764ad97ed3e98b92359c1923_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 5076 638b8a0e Token: SeTcbPrivilege 5076 638b8a0e
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-08_3825defa764ad97ed3e98b92359c1923_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-08_3825defa764ad97ed3e98b92359c1923_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.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:3328
-
C:\Windows\Syswow64\638b8a0eC:\Windows\Syswow64\638b8a0e1⤵
- 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:5076
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\638b8a0e
- Size 560KB
- SHA256 24b16b09c8c25406825ac0797f018a229906a70e85505af1c42cabb8ec8af76e
- MD5 435e7470d891344b28a94e0a08672aa3
- SHA1 61fa3ecc8e05bdd4f6f3e59cd8708eade205d3d9
- SHA512 a3772d45f4c3987ae17fc699e8ea8bce407185b102b1e522d241eeef941aa05e01e7b7c83d31c905fb3ccef2e3177dfe49fc31d33ab3d7d24e03d3014e54a0c5
- SSDEEP 12288:e3Sgbu4VOGWPSqt6IpouYgCEmx1z725uRG9OArjlI6YeLm08XsOkx2LIa+y:OVOL4/gPXKCOkx2LFR
- TLSH T199C46D2AB6E0D076C4B79574C4A256A6FFB1B43127204ACF6390475A1F637E2BE3530E
- MD5 SHA1 SHA512 SSDEEP TLSH