Analysis
- max time kernel
150s - max time network
86s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-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
-
218.54.30.235
Signatures
- UPX dump on OEP (original entry point) 8 IoCs
resource yara_rule behavioral2/files/0x000e00000001c449-29.dat UPX behavioral2/memory/2804-33-0x0000000000400000-0x000000000049F000-memory.dmp UPX behavioral2/memory/2804-38-0x0000000000400000-0x000000000049F000-memory.dmp UPX behavioral2/memory/2804-39-0x0000000000400000-0x000000000049F000-memory.dmp UPX behavioral2/memory/2804-40-0x0000000000400000-0x000000000049F000-memory.dmp UPX behavioral2/memory/2804-41-0x0000000000400000-0x000000000049F000-memory.dmp UPX behavioral2/memory/2804-42-0x0000000000400000-0x000000000049F000-memory.dmp UPX behavioral2/memory/2804-43-0x0000000000400000-0x000000000049F000-memory.dmp UPX - Executes dropped EXE 2 IoCs
pid Process 4176 mezit.exe 2804 hyepf.exe -
resource yara_rule behavioral2/files/0x000e00000001c449-29.dat upx behavioral2/memory/2804-33-0x0000000000400000-0x000000000049F000-memory.dmp upx behavioral2/memory/2804-38-0x0000000000400000-0x000000000049F000-memory.dmp upx behavioral2/memory/2804-39-0x0000000000400000-0x000000000049F000-memory.dmp upx behavioral2/memory/2804-40-0x0000000000400000-0x000000000049F000-memory.dmp upx behavioral2/memory/2804-41-0x0000000000400000-0x000000000049F000-memory.dmp upx behavioral2/memory/2804-42-0x0000000000400000-0x000000000049F000-memory.dmp upx behavioral2/memory/2804-43-0x0000000000400000-0x000000000049F000-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 4684 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 2026-08-22_9fd6ec01b29146ac19f6efcd1ced02ea_amadey_elex_njrat_rhadamanthys_smoke-loader_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mezit.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language hyepf.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe 2804 hyepf.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3480 wrote to memory of 4176 3480 2026-08-22_9fd6ec01b29146ac19f6efcd1ced02ea_amadey_elex_njrat_rhadamanthys_smoke-loader_stop.exe 89 PID 3480 wrote to memory of 4684 3480 2026-08-22_9fd6ec01b29146ac19f6efcd1ced02ea_amadey_elex_njrat_rhadamanthys_smoke-loader_stop.exe 90 PID 4176 wrote to memory of 2804 4176 mezit.exe 92
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⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3480 -
C:\Users\Admin\AppData\Local\Temp\mezit.exe"C:\Users\Admin\AppData\Local\Temp\mezit.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4176 -
C:\Users\Admin\AppData\Local\Temp\hyepf.exe"C:\Users\Admin\AppData\Local\Temp\hyepf.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2804
-
-
-
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:4684
-
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\golfinfo.ini
- Size 512B
- SHA256 b7de32e7bf10ddda9a97d0a0b0cfdd86759a624f991fecbfe38b2cf4c1db49ba
- MD5 ff29633ca6b749e79b45c5431fa9dbf3
- SHA1 77d43dc34cdd295218302c3f63189052c3152017
- SHA512 84b146b0b3950af20cdebfe4aa29394a9df507b317b25ccd4af1e74bf78a35ea8b4907e2b274e3edc7629cea59210a0009451cc7918b60759545db0402bec721
- TLSH T12AF04C9310A5B01A7112A526D28CAB9953A74E9D4AD38D914145B3709D369BC8984151
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\hyepf.exe
- Size 198KB
- SHA256 84150ee4d476b6e57bb078d4bac462a0d745c9648b7ec9bf05dc1f64633c5632
- MD5 b9c41233279bce01c0cc52e8ca6d2b55
- SHA1 67ad98542cb4f44da9c6f9e5aef16f7992572681
- SHA512 b8b1cfb8c8a1960f4242dd579da1514ba3ff5f639d4590d4dc2fefe6dd4a2638aaee7eadffb1536199fcccfcc73cb84bb9fc7996029839d17723532299c42dd9
- SSDEEP 3072:dLeZUwofc1zU9KUgshNIFfF7eO+blJULGaMl1+jhh+PaWY3P2lmWtoutA7X:pXw5MK1shNIFfFCULGvU+3VlBtoSA7X
- TLSH T17514D0512A008858F74C4B32990AF9E409AA9E3DA9D0F54FF53CBD3A6C731875AB714F
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\mezit.exe
- Size 1.1MB
- SHA256 125e0cfcb144c183e0a6e544482e7d1403f2ebab2b575c63cc989428d95d6fe1
- MD5 d7becdabf4146f657c9e191af925799a
- SHA1 0b1f1ac8f2da49c1abc988453b9bce9484a097cd
- SHA512 423c5e57fd8da632c9d810d4549004ced1a939b212e2e6ca6e7fffccf3a68606e7a66383cd64c2281472b6ade052bfed1bf24baa006de823d231d4670e57a91a
- SSDEEP 12288:i6twjLHj/8/GcHUIdPPzEmvTnabAh0ZnAr1UTL1Jer5+n1A1Cmer5+nIwaJZer5v:i6tQCG0UUPzEkTn4AC1+wAsm
- TLSH T18B45C303E6404CE6D3D90235DE50C160572AFC2D9BFB527AB55C3229FE733867E26A29
- MD5 SHA1 SHA512 SSDEEP TLSH