Analysis
- max time kernel
149s - 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
27/08/2026, 23:19
Behavioral task
behavioral1
Sample
2026-08-27_0a8421a27f5aded4440f165484328195_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260513-en
12 signatures
150 seconds
General
- Target 2026-08-27_0a8421a27f5aded4440f165484328195_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
- Size 560KB
- Sample260827-3bbtqabc58
- SHA256 8dfcf1c29cc8544a15840513730583c7c15f4e27ccdb9448520895087e439a44
- MD5 0a8421a27f5aded4440f165484328195
- SHA1 a0529a631684abc67376baba017178f6c6b05e2d
- SHA512 f65840714b63ae90b77a04a083eea16338015406803e3a01b46b60a207436a331fb07dd366c2c01eaacd707e5797afe3b2b082e92f6a02719aaefbdd5146ed8d
- SSDEEP 12288:83Sgbu4VOGWPSqt6IpouYgCEmx1z725uRG9OArjlI6YeLm08XsOkx2LIa+y:wVOL4/gPXKCOkx2LFR
- TLSH T1DEC46D2AB6E0D076C4B79574C4A256A6FFB1B43127204ACF6390475A1F637E2BE3530E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Stealc stealer Version 3 1 IoCs
resource yara_rule behavioral2/memory/6804-16-0x0000000000EA0000-0x0000000000F2C000-memory.dmp family_stealc_v3 - UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/6804-0-0x0000000000EA0000-0x0000000000F2C000-memory.dmp UPX behavioral2/files/0x001200000001157e-2.dat UPX behavioral2/memory/6160-3-0x0000000000040000-0x00000000000CC000-memory.dmp UPX behavioral2/memory/6804-16-0x0000000000EA0000-0x0000000000F2C000-memory.dmp UPX behavioral2/memory/6160-17-0x0000000000040000-0x00000000000CC000-memory.dmp UPX behavioral2/memory/6160-34-0x0000000000040000-0x00000000000CC000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 6160 73b21b49 - Unexpected DNS network traffic destination 6 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 41 223.5.5.5 6804 2026-08-27_0a8421a27f5aded4440f165484328195_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Destination IP 57 114.114.114.114 6804 2026-08-27_0a8421a27f5aded4440f165484328195_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Destination IP 58 223.5.5.5 6804 2026-08-27_0a8421a27f5aded4440f165484328195_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Destination IP 1 114.114.114.114 6804 2026-08-27_0a8421a27f5aded4440f165484328195_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Destination IP 2 223.5.5.5 6804 2026-08-27_0a8421a27f5aded4440f165484328195_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Destination IP 40 114.114.114.114 6160 73b21b49 - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 73b21b49 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 73b21b49 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 73b21b49 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 73b21b49 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 73b21b49 File created C:\Windows\SysWOW64\73b21b49 2026-08-27_0a8421a27f5aded4440f165484328195_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 73b21b49 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 73b21b49 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 73b21b49 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 73b21b49 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 73b21b49 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 73b21b49 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 73b21b49 -
resource yara_rule behavioral2/memory/6804-0-0x0000000000EA0000-0x0000000000F2C000-memory.dmp upx behavioral2/files/0x001200000001157e-2.dat upx behavioral2/memory/6160-3-0x0000000000040000-0x00000000000CC000-memory.dmp upx behavioral2/memory/6804-16-0x0000000000EA0000-0x0000000000F2C000-memory.dmp upx behavioral2/memory/6160-17-0x0000000000040000-0x00000000000CC000-memory.dmp upx behavioral2/memory/6160-34-0x0000000000040000-0x00000000000CC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\747ca8 2026-08-27_0a8421a27f5aded4440f165484328195_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe File opened for modification C:\Windows\697620 73b21b49 - 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 2026-08-27_0a8421a27f5aded4440f165484328195_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 73b21b49 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 73b21b49 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 73b21b49 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 73b21b49 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 73b21b49 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 73b21b49 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 73b21b49 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 73b21b49 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 73b21b49 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 73b21b49 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 6160 73b21b49 6160 73b21b49 6160 73b21b49 6160 73b21b49 6160 73b21b49 6160 73b21b49 6160 73b21b49 6160 73b21b49 6804 2026-08-27_0a8421a27f5aded4440f165484328195_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 6804 2026-08-27_0a8421a27f5aded4440f165484328195_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 6804 2026-08-27_0a8421a27f5aded4440f165484328195_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 6804 2026-08-27_0a8421a27f5aded4440f165484328195_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 6804 2026-08-27_0a8421a27f5aded4440f165484328195_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 6804 2026-08-27_0a8421a27f5aded4440f165484328195_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 6804 2026-08-27_0a8421a27f5aded4440f165484328195_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 6804 2026-08-27_0a8421a27f5aded4440f165484328195_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 6804 2026-08-27_0a8421a27f5aded4440f165484328195_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 6804 2026-08-27_0a8421a27f5aded4440f165484328195_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 6804 2026-08-27_0a8421a27f5aded4440f165484328195_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 6804 2026-08-27_0a8421a27f5aded4440f165484328195_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 6804 2026-08-27_0a8421a27f5aded4440f165484328195_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 6804 2026-08-27_0a8421a27f5aded4440f165484328195_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 6804 2026-08-27_0a8421a27f5aded4440f165484328195_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 6804 2026-08-27_0a8421a27f5aded4440f165484328195_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 6160 73b21b49 Token: SeTcbPrivilege 6160 73b21b49
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-27_0a8421a27f5aded4440f165484328195_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-27_0a8421a27f5aded4440f165484328195_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:6804
-
C:\Windows\Syswow64\73b21b49C:\Windows\Syswow64\73b21b491⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- 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:6160
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\73b21b49
- Size 560KB
- SHA256 4b2fcc1d21efabb0d0f6718aa952c9969b44ae4ad33a9ee2b5929def8f2727c8
- MD5 11d399e9d201bc3a1ae63099f92f91d3
- SHA1 50c840336aed1a00e4fd3ce9a2f655502461271e
- SHA512 b3323ab186e449d71f1c0e35dbf746595bbbc359ea7a3994027576c1ebd5d985c24ffd72c4065df2c2badea20d22517c9db90171a6e19c1a055317f7028715fa
- SSDEEP 12288:i3Sgbu4VOGWPSqt6IpouYgCEmx1z725uRG9OArjlI6YeLm08XsOkx2LIa+y:yVOL4/gPXKCOkx2LFR
- TLSH T1F8C46D2AB6E0D076C4B79574C4A256A6FFB1B43127204ACF6390475A1F637E2BE3530E
- MD5 SHA1 SHA512 SSDEEP TLSH