Analysis
- max time kernel
149s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
31/05/2026, 22:28
Behavioral task
behavioral1
Sample
2026-05-31_ef6eba82507a1c56133396b7d6c38d54_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2026-05-31_ef6eba82507a1c56133396b7d6c38d54_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
- Size 560KB
- Sample260531-2d3jsahv2v
- SHA256 19a181bee595e2e823d9019108a7d5f4651f0f5ea55d42dffb502cb5944d573d
- MD5 ef6eba82507a1c56133396b7d6c38d54
- SHA1 b3714aeb050460207013a5aea064f61dc28f7b2f
- SHA512 cb1887980ab03236bce67ff65400c87ea8130046f947e9c023ede915f8a51dc62b964f58033534aaf04fea2d75556c5a82c372f79d531c27ba4103d72eb24944
- SSDEEP 12288:93Sgbu4VOGWPSqt6IpouYgCEmx1z725uRG9OArjlI6YeLm08XsOkx2LIa+y:fVOL4/gPXKCOkx2LFR
- TLSH T16FC46D2AB6E0D076C4B79574C4A256A6FFB1B43127204ACF6390475A1F637E2BE3530E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Custom signatureUPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/3132-0-0x0000000000F80000-0x000000000100C000-memory.dmp UPX behavioral2/files/0x001d00000002b2c1-2.dat UPX behavioral2/memory/4972-4-0x0000000000A50000-0x0000000000ADC000-memory.dmp UPX behavioral2/memory/3132-18-0x0000000000F80000-0x000000000100C000-memory.dmp UPX behavioral2/memory/4972-19-0x0000000000A50000-0x0000000000ADC000-memory.dmp UPX behavioral2/memory/4972-27-0x0000000000A50000-0x0000000000ADC000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4972 5bd08339 - 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 3132 2026-05-31_ef6eba82507a1c56133396b7d6c38d54_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Destination IP 2 223.5.5.5 3132 2026-05-31_ef6eba82507a1c56133396b7d6c38d54_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Destination IP 12 114.114.114.114 3132 2026-05-31_ef6eba82507a1c56133396b7d6c38d54_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Destination IP 13 223.5.5.5 3132 2026-05-31_ef6eba82507a1c56133396b7d6c38d54_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 5bd08339 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 5bd08339 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 5bd08339 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 5bd08339 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 5bd08339 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 5bd08339 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 5bd08339 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 5bd08339 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 5bd08339 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 5bd08339 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 5bd08339 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 5bd08339 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 5bd08339 File created C:\Windows\SysWOW64\5bd08339 2026-05-31_ef6eba82507a1c56133396b7d6c38d54_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 5bd08339 -
resource yara_rule behavioral2/memory/3132-0-0x0000000000F80000-0x000000000100C000-memory.dmp upx behavioral2/files/0x001d00000002b2c1-2.dat upx behavioral2/memory/4972-4-0x0000000000A50000-0x0000000000ADC000-memory.dmp upx behavioral2/memory/3132-18-0x0000000000F80000-0x000000000100C000-memory.dmp upx behavioral2/memory/4972-19-0x0000000000A50000-0x0000000000ADC000-memory.dmp upx behavioral2/memory/4972-27-0x0000000000A50000-0x0000000000ADC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\551f58 5bd08339 File opened for modification C:\Windows\359ef8 2026-05-31_ef6eba82507a1c56133396b7d6c38d54_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 5bd08339 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-05-31_ef6eba82507a1c56133396b7d6c38d54_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 5bd08339 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 5bd08339 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 5bd08339 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 5bd08339 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 5bd08339 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 5bd08339 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 5bd08339 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 5bd08339 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 5bd08339 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4972 5bd08339 4972 5bd08339 4972 5bd08339 4972 5bd08339 4972 5bd08339 4972 5bd08339 4972 5bd08339 4972 5bd08339 3132 2026-05-31_ef6eba82507a1c56133396b7d6c38d54_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 3132 2026-05-31_ef6eba82507a1c56133396b7d6c38d54_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 3132 2026-05-31_ef6eba82507a1c56133396b7d6c38d54_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 3132 2026-05-31_ef6eba82507a1c56133396b7d6c38d54_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 3132 2026-05-31_ef6eba82507a1c56133396b7d6c38d54_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 3132 2026-05-31_ef6eba82507a1c56133396b7d6c38d54_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3132 2026-05-31_ef6eba82507a1c56133396b7d6c38d54_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 3132 2026-05-31_ef6eba82507a1c56133396b7d6c38d54_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 4972 5bd08339 Token: SeTcbPrivilege 4972 5bd08339
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-31_ef6eba82507a1c56133396b7d6c38d54_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-31_ef6eba82507a1c56133396b7d6c38d54_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:3132
-
C:\Windows\Syswow64\5bd08339C:\Windows\Syswow64\5bd083391⤵
- 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:4972
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\5bd08339
- Size 560KB
- SHA256 9b1c6b263dbf35f9adc10901962bc1f9f7371197450af3cfd869b202f3577d17
- MD5 e6f8f5675d0cb430488040d6619e08ca
- SHA1 496cb8a51410d2c0a738ec5b32b0547d873da284
- SHA512 1c4f227f2a7ecb79f0364822638d1db68f0540ac6e89dedec7f95126213da99983c65fb86689997778728a9aa4b18f53529d926501663bea76f7652f5823c86e
- SSDEEP 12288:U3Sgbu4VOGWPSqt6IpouYgCEmx1z725uRG9OArjlI6YeLm08XsOkx2LIa+y:YVOL4/gPXKCOkx2LFR
- TLSH T103C46D2AB6E0D076C4B79574C4A256A6FFB1B43127204ACF6390475A1F637E2BE3530E
- MD5 SHA1 SHA512 SSDEEP TLSH