Analysis
- max time kernel
148s - max time network
152s - 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, 04:20
Behavioral task
behavioral1
Sample
2026-08-20_f9ffeb8e88cefdab86ee85313668552f_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260513-en
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 behavioral2/memory/4412-0-0x0000000000E90000-0x0000000000F1C000-memory.dmp UPX behavioral2/files/0x000e00000001b1d0-2.dat UPX behavioral2/memory/3364-3-0x0000000000430000-0x00000000004BC000-memory.dmp UPX behavioral2/memory/4412-10-0x0000000000E90000-0x0000000000F1C000-memory.dmp UPX behavioral2/memory/3364-11-0x0000000000430000-0x00000000004BC000-memory.dmp UPX behavioral2/memory/3364-29-0x0000000000430000-0x00000000004BC000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 3364 358dffd0 - 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 4412 2026-08-20_f9ffeb8e88cefdab86ee85313668552f_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Destination IP 2 223.5.5.5 4412 2026-08-20_f9ffeb8e88cefdab86ee85313668552f_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Destination IP 18 114.114.114.114 4412 2026-08-20_f9ffeb8e88cefdab86ee85313668552f_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Destination IP 19 223.5.5.5 4412 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\Local\Microsoft\Windows\INetCache\Content.IE5 358dffd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 358dffd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 358dffd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 358dffd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 358dffd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 358dffd0 File created C:\Windows\SysWOW64\358dffd0 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\INetCookies 358dffd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 358dffd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 358dffd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 358dffd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 358dffd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 358dffd0 -
resource yara_rule behavioral2/memory/4412-0-0x0000000000E90000-0x0000000000F1C000-memory.dmp upx behavioral2/files/0x000e00000001b1d0-2.dat upx behavioral2/memory/3364-3-0x0000000000430000-0x00000000004BC000-memory.dmp upx behavioral2/memory/4412-10-0x0000000000E90000-0x0000000000F1C000-memory.dmp upx behavioral2/memory/3364-11-0x0000000000430000-0x00000000004BC000-memory.dmp upx behavioral2/memory/3364-29-0x0000000000430000-0x00000000004BC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4b88f8 2026-08-20_f9ffeb8e88cefdab86ee85313668552f_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe File opened for modification C:\Windows\3997c8 358dffd0 - 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 358dffd0 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 358dffd0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 358dffd0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 358dffd0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 358dffd0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 358dffd0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 358dffd0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 358dffd0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 358dffd0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 358dffd0 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3364 358dffd0 3364 358dffd0 3364 358dffd0 3364 358dffd0 3364 358dffd0 3364 358dffd0 3364 358dffd0 3364 358dffd0 4412 2026-08-20_f9ffeb8e88cefdab86ee85313668552f_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 4412 2026-08-20_f9ffeb8e88cefdab86ee85313668552f_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 4412 2026-08-20_f9ffeb8e88cefdab86ee85313668552f_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 4412 2026-08-20_f9ffeb8e88cefdab86ee85313668552f_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 4412 2026-08-20_f9ffeb8e88cefdab86ee85313668552f_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 4412 2026-08-20_f9ffeb8e88cefdab86ee85313668552f_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 4412 2026-08-20_f9ffeb8e88cefdab86ee85313668552f_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 4412 2026-08-20_f9ffeb8e88cefdab86ee85313668552f_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 4412 2026-08-20_f9ffeb8e88cefdab86ee85313668552f_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 4412 2026-08-20_f9ffeb8e88cefdab86ee85313668552f_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 4412 2026-08-20_f9ffeb8e88cefdab86ee85313668552f_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 4412 2026-08-20_f9ffeb8e88cefdab86ee85313668552f_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 4412 2026-08-20_f9ffeb8e88cefdab86ee85313668552f_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 4412 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 4412 2026-08-20_f9ffeb8e88cefdab86ee85313668552f_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 4412 2026-08-20_f9ffeb8e88cefdab86ee85313668552f_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 3364 358dffd0 Token: SeTcbPrivilege 3364 358dffd0
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:4412
-
C:\Windows\Syswow64\358dffd0C:\Windows\Syswow64\358dffd01⤵
- 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:3364
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\358dffd0
- Size 560KB
- SHA256 157a5074a9174db1e34ded5e813bbf5b69885dc72dbb512d326de63e6cb92f78
- MD5 fd22bcfb8dca60ad7b090bc30a302e95
- SHA1 e55c4ffa969d0cc7df5dec397708103f08d2441a
- SHA512 9d02f7798617c7a3a9df06963abad9dabda566ac06a473d4ab462d0ad7f19e94f522a8a609f60aebf3edd1e2e2139eef7046198d6762f110dc64d5efd2c83768
- SSDEEP 12288:s3Sgbu4VOGWPSqt6IpouYgCEmx1z725uRG9OArjlI6YeLm08XsOkx2LIa+y:gVOL4/gPXKCOkx2LFR
- TLSH T1CBC46D2AB6E0D076C4B79574C4A256A6FFB1B43127204ACF6390475A1F637E2BE3530E
- MD5 SHA1 SHA512 SSDEEP TLSH