Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
23/08/2026, 03:43
Behavioral task
behavioral1
Sample
2026-08-22_9fd6ec01b29146ac19f6efcd1ced02ea_amadey_elex_njrat_rhadamanthys_smoke-loader_stop.exe
Resource
win10v2004-20260513-en
11 signatures
150 seconds
General
- Target 2026-08-22_9fd6ec01b29146ac19f6efcd1ced02ea_amadey_elex_njrat_rhadamanthys_smoke-loader_stop.exe
- Size 1.1MB
- Sample260823-eaebfsdr3y
- SHA256 cc19caa2af15c8d80ccd90c63e941684e18260e0d0eb191e783d3df565f457e8
- MD5 9fd6ec01b29146ac19f6efcd1ced02ea
- SHA1 fdbebfba4774c0aea73baecd9c00caa12c1429ab
- SHA512 56ca8aa50d087bbda442114069979b5e6312b422ab836893f1fdc1184e83b2b4e97bdad1dd995a532264293e15fe7fa7c8dc1552f60019a84a59679fe93cd0f4
- SSDEEP 12288:i6twjLHj/8/GcHUIdPPzEmvTnabAh0ZnAr1UTL1Jer5+n1A1Cmer5+nIwaJZer5w:i6tQCG0UUPzEkTn4AC1+wAsV
- TLSH T11345C303E6404CE6D3D90235DE50C160572AFC2D9BFB527AB55C3229FE733867E26A29
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
Family
-
urelas
C2
-
1.234.83.146
-
133.242.129.155
-
218.54.31.226
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218.54.30.235
Signatures
- Detects Windows executables referencing non-Windows User-Agents 1 IoCs
resource yara_rule behavioral1/memory/4572-29-0x0000000000A90000-0x0000000000BBC000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA - UPX dump on OEP (original entry point) 8 IoCs
resource yara_rule behavioral1/files/0x0003000000000729-24.dat UPX behavioral1/memory/3552-27-0x0000000000400000-0x000000000049F000-memory.dmp UPX behavioral1/memory/3552-32-0x0000000000400000-0x000000000049F000-memory.dmp UPX behavioral1/memory/3552-33-0x0000000000400000-0x000000000049F000-memory.dmp UPX behavioral1/memory/3552-34-0x0000000000400000-0x000000000049F000-memory.dmp UPX behavioral1/memory/3552-35-0x0000000000400000-0x000000000049F000-memory.dmp UPX behavioral1/memory/3552-36-0x0000000000400000-0x000000000049F000-memory.dmp UPX behavioral1/memory/3552-37-0x0000000000400000-0x000000000049F000-memory.dmp UPX - Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000\Control Panel\International\Geo\Nation 2026-08-22_9fd6ec01b29146ac19f6efcd1ced02ea_amadey_elex_njrat_rhadamanthys_smoke-loader_stop.exe Key value queried \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000\Control Panel\International\Geo\Nation afxue.exe - Executes dropped EXE 2 IoCs
pid Process 4572 afxue.exe 3552 idfuc.exe -
resource yara_rule behavioral1/files/0x0003000000000729-24.dat upx behavioral1/memory/3552-27-0x0000000000400000-0x000000000049F000-memory.dmp upx behavioral1/memory/3552-32-0x0000000000400000-0x000000000049F000-memory.dmp upx behavioral1/memory/3552-33-0x0000000000400000-0x000000000049F000-memory.dmp upx behavioral1/memory/3552-34-0x0000000000400000-0x000000000049F000-memory.dmp upx behavioral1/memory/3552-35-0x0000000000400000-0x000000000049F000-memory.dmp upx behavioral1/memory/3552-36-0x0000000000400000-0x000000000049F000-memory.dmp upx behavioral1/memory/3552-37-0x0000000000400000-0x000000000049F000-memory.dmp upx - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 4140 cmd.exe - System Location Discovery: System Language Discovery 1 TTPs 4 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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language idfuc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-22_9fd6ec01b29146ac19f6efcd1ced02ea_amadey_elex_njrat_rhadamanthys_smoke-loader_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language afxue.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe 3552 idfuc.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2120 wrote to memory of 4572 2120 2026-08-22_9fd6ec01b29146ac19f6efcd1ced02ea_amadey_elex_njrat_rhadamanthys_smoke-loader_stop.exe 88 PID 2120 wrote to memory of 4140 2120 2026-08-22_9fd6ec01b29146ac19f6efcd1ced02ea_amadey_elex_njrat_rhadamanthys_smoke-loader_stop.exe 89 PID 4572 wrote to memory of 3552 4572 afxue.exe 107
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-22_9fd6ec01b29146ac19f6efcd1ced02ea_amadey_elex_njrat_rhadamanthys_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-22_9fd6ec01b29146ac19f6efcd1ced02ea_amadey_elex_njrat_rhadamanthys_smoke-loader_stop.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2120 -
C:\Users\Admin\AppData\Local\Temp\afxue.exe"C:\Users\Admin\AppData\Local\Temp\afxue.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4572 -
C:\Users\Admin\AppData\Local\Temp\idfuc.exe"C:\Users\Admin\AppData\Local\Temp\idfuc.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:3552
-
-
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_sannuy.bat" "2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:4140
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\_sannuy.bat
- Size 396B
- SHA256 e80f5e574af1cc9d4c926f9f547fddf6e0a0cce4dda6a0ea429d6aa1e9e99cef
- MD5 412982724d35b2f6ec273d38e37cfb75
- SHA1 d8d6774ad32c215904c99ee7a94d22a40bce0b71
- SHA512 8cfc1273465ce443e49b04b560ba33074cd93c28fd899f59ba2c75032a10c852b198556632bbdecca1928387d74181a6c9c75862d166b17ac7e6561d5c0ca067
- TLSH T1D9E0D80545EFDE370509901F4DB1788D9270A6E87F873772BB21C61D26D644EB9D3252
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\afxue.exe
- Size 1.1MB
- SHA256 aaf489413954ffc5e7c5ec44ea3c75c7a7d90713462bd345ae45882c50fe0f14
- MD5 2f675fa4905435a5cadbfb3c2e7918bd
- SHA1 3315d66a57185983ef2cf2a966d3f904a6239f67
- SHA512 ce49760a0ade855cfb9b1d779e86efd2c47b9647ccfa4925bbc6b4cb7e9ce6e0030bef676c467e57f35746312cfb37dc26867f83ff2f775da6c0587640387189
- SSDEEP 12288:i6twjLHj/8/GcHUIdPPzEmvTnabAh0ZnAr1UTL1Jer5+n1A1Cmer5+nIwaJZer5b:i6tQCG0UUPzEkTn4AC1+wAsa
- TLSH T1F345C303E6404CE6D3D90235DE50C160572AFC2D9BFB527AB55C3229FE733867E26A29
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
- Size 512B
- SHA256 e8f083596f5d64fd558e359867e1ec8c775a626fcbad0bbba023fd9731edf5bb
- MD5 b8965d9ace6199a2060cb68c828e41a4
- SHA1 d7ff055e979ab987ea5b98751e1178eb9f8c3c2a
- SHA512 b0a595fd0b6cc358bd5c8271fa6a56d5494e3663a17471e7ee474958dc70b16f392a9f346e8f82207964b492a3bf082486ee1dc37757f6a55e7db6b468895751
- TLSH T1A3F09BD120F6F0267613E113C25CABA95B536DDC5CCB5DC045077370983497C86CC651
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\idfuc.exe
- Size 198KB
- SHA256 2572b5a4957f745f1ba2712a8ff047c27950ff61ddf36e10d5845a1952264ab9
- MD5 41f7e71a23fcb9aa4579de7aae7d4b71
- SHA1 6ad9721e35c19b928852dd88e48ef1d28842c1de
- SHA512 b3af04f1fcf59debc1624fc6fae817ca333f5e47634752309d8f3c657ecaca8b98d6a08e9593584e575caf315bcb65943558a4646bce96087a4150c4b0eb1541
- SSDEEP 3072:dLeZUwofc1zU9KUgshNIFfF7eO+blJULGaMl1+jhh+PaWY3P2lmWtoutA75:pXw5MK1shNIFfFCULGvU+3VlBtoSA75
- TLSH T12914D0516A008858F74C4B32990AF9E409AA9E3DA9D0F54FF53CBD3A6C731835AB714F
- MD5 SHA1 SHA512 SSDEEP TLSH