Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
20/08/2026, 04:20
Behavioral task
behavioral1
Sample
2026-08-20_f9ffeb8e88cefdab86ee85313668552f_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2026-08-20_f9ffeb8e88cefdab86ee85313668552f_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
- Size 560KB
- Sample260820-ex6dfssvcx
- SHA256 1ad81b902b8450f25247965a6cffc0995b8d45688d1e8a7347e7668b0f0d9be3
- MD5 f9ffeb8e88cefdab86ee85313668552f
- SHA1 78bde08098ebca63cef1f7f39f1454257e21a5a8
- SHA512 b9605bdb9ca9c913c869e7179a9c640d619a9709d58be065b6fb6dde8e14ae302874fad805056089d5d1b51599a3b74285100c2e92bc0a882f789358aed895ea
- SSDEEP 12288:Q3Sgbu4VOGWPSqt6IpouYgCEmx1z725uRG9OArjlI6YeLm08XsOkx2LIa+y:0VOL4/gPXKCOkx2LFR
- TLSH T169C46D2AB6E0D076C4B79574C4A256A6FFB1B43127204ACF6390475A1F637E2BE3530E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral1/memory/2412-0-0x0000000000680000-0x000000000070C000-memory.dmp UPX behavioral1/files/0x0004000000023370-2.dat UPX behavioral1/memory/5292-4-0x0000000000A20000-0x0000000000AAC000-memory.dmp UPX behavioral1/memory/2412-16-0x0000000000680000-0x000000000070C000-memory.dmp UPX behavioral1/memory/5292-17-0x0000000000A20000-0x0000000000AAC000-memory.dmp UPX behavioral1/memory/5292-24-0x0000000000A20000-0x0000000000AAC000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 5292 9c47594b - 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 42 223.5.5.5 2412 2026-08-20_f9ffeb8e88cefdab86ee85313668552f_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Destination IP 3 114.114.114.114 2412 2026-08-20_f9ffeb8e88cefdab86ee85313668552f_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Destination IP 4 223.5.5.5 2412 2026-08-20_f9ffeb8e88cefdab86ee85313668552f_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Destination IP 41 114.114.114.114 2412 2026-08-20_f9ffeb8e88cefdab86ee85313668552f_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\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 9c47594b File created C:\Windows\SysWOW64\9c47594b 2026-08-20_f9ffeb8e88cefdab86ee85313668552f_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 9c47594b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 9c47594b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 9c47594b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 9c47594b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 9c47594b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 9c47594b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 9c47594b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 9c47594b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 9c47594b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 9c47594b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 9c47594b -
resource yara_rule behavioral1/memory/2412-0-0x0000000000680000-0x000000000070C000-memory.dmp upx behavioral1/files/0x0004000000023370-2.dat upx behavioral1/memory/5292-4-0x0000000000A20000-0x0000000000AAC000-memory.dmp upx behavioral1/memory/2412-16-0x0000000000680000-0x000000000070C000-memory.dmp upx behavioral1/memory/5292-17-0x0000000000A20000-0x0000000000AAC000-memory.dmp upx behavioral1/memory/5292-24-0x0000000000A20000-0x0000000000AAC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\5a99d8 9c47594b File opened for modification C:\Windows\294b58 2026-08-20_f9ffeb8e88cefdab86ee85313668552f_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.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_f9ffeb8e88cefdab86ee85313668552f_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 9c47594b - 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 9c47594b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 9c47594b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 9c47594b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 9c47594b Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 9c47594b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 9c47594b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 9c47594b Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 9c47594b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 9c47594b - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 5292 9c47594b 5292 9c47594b 5292 9c47594b 5292 9c47594b 5292 9c47594b 5292 9c47594b 5292 9c47594b 5292 9c47594b 2412 2026-08-20_f9ffeb8e88cefdab86ee85313668552f_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 2412 2026-08-20_f9ffeb8e88cefdab86ee85313668552f_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 2412 2026-08-20_f9ffeb8e88cefdab86ee85313668552f_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 2412 2026-08-20_f9ffeb8e88cefdab86ee85313668552f_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 2412 2026-08-20_f9ffeb8e88cefdab86ee85313668552f_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 2412 2026-08-20_f9ffeb8e88cefdab86ee85313668552f_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2412 2026-08-20_f9ffeb8e88cefdab86ee85313668552f_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 2412 2026-08-20_f9ffeb8e88cefdab86ee85313668552f_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 5292 9c47594b Token: SeTcbPrivilege 5292 9c47594b
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-20_f9ffeb8e88cefdab86ee85313668552f_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_f9ffeb8e88cefdab86ee85313668552f_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:2412
-
C:\Windows\Syswow64\9c47594bC:\Windows\Syswow64\9c47594b1⤵
- 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:5292
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\9c47594b
- Size 560KB
- SHA256 b29fd7c988a0382b87a3e0d6eb3914cca337a766bfdfa34acd8954007ce0a7b0
- MD5 7855690afd8d4beaeb309cf01ca54ac2
- SHA1 999be14739386752e45e88e376d79ad12b77c704
- SHA512 c3e6500a16b51314e0dfc59c6d7070d23bfc41d29d6829bf079e4f6abae599ef9017d11d1c0d6ad91e32f4e10d8130cdb0983dd7eb6b01e021527695fe34de04
- SSDEEP 12288:v3Sgbu4VOGWPSqt6IpouYgCEmx1z725uRG9OArjlI6YeLm08XsOkx2LIa+y:NVOL4/gPXKCOkx2LFR
- TLSH T171C46D2AB6E0D076C4B79574C4A256A6FFB1B43127204ACF6390475A1F637E2BE3530E
- MD5 SHA1 SHA512 SSDEEP TLSH