Analysis
- max time kernel
149s - max time network
96s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
15/04/2026, 14:56
Behavioral task
behavioral1
Sample
2026-04-15_58e78b2c27a83920d8b26c2778484064_elex_rhadamanthys_stealc_stop.exe
Resource
win10v2004-20260130-en
7 signatures
150 seconds
General
- Target 2026-04-15_58e78b2c27a83920d8b26c2778484064_elex_rhadamanthys_stealc_stop.exe
- Size 525KB
- Sample260415-sbjjfscz21
- SHA256 a55b89916844387734a4d8d888d0b4f3fd755b9c27498776dcacbd6d1d5b9380
- MD5 58e78b2c27a83920d8b26c2778484064
- SHA1 94f04698e7e21e37914e8620e835cd27dd6582bb
- SHA512 a76fb36c4d93d1996b995dd7913d84317d78e739beb6cdad066ffbb9e6f13fa6ea300bbd62167247c9968fcc4445964b1f798825719ebedfc22837ab5b0dd7da
- SSDEEP 6144:Y2KW7lwFXUEeJi2xVCVxfwY+0QSyvmZ3INALzTuFjSMg4ONgOZLOMZDOP2jqAigp:YwGtVfjTQSaoINAHTusMgDND4oqnDc
- TLSH T1DBB4BF103790C475E36627310896E6F009B9BC385AA5D68FF7A47E3A5E312938A7734F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
Family
-
urelas
C2
-
218.54.31.226
-
218.54.31.165
Signatures
- Executes dropped EXE 2 IoCs
pid Process 3192 ylsoh.exe 5052 kyafz.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 kyafz.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-04-15_58e78b2c27a83920d8b26c2778484064_elex_rhadamanthys_stealc_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ylsoh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe 5052 kyafz.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2192 wrote to memory of 3192 2192 2026-04-15_58e78b2c27a83920d8b26c2778484064_elex_rhadamanthys_stealc_stop.exe 80 PID 2192 wrote to memory of 5108 2192 2026-04-15_58e78b2c27a83920d8b26c2778484064_elex_rhadamanthys_stealc_stop.exe 81 PID 3192 wrote to memory of 5052 3192 ylsoh.exe 83
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-15_58e78b2c27a83920d8b26c2778484064_elex_rhadamanthys_stealc_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-15_58e78b2c27a83920d8b26c2778484064_elex_rhadamanthys_stealc_stop.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2192 -
C:\Users\Admin\AppData\Local\Temp\ylsoh.exe"C:\Users\Admin\AppData\Local\Temp\ylsoh.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3192 -
C:\Users\Admin\AppData\Local\Temp\kyafz.exe"C:\Users\Admin\AppData\Local\Temp\kyafz.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:5052
-
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_uinsey.bat" "2⤵
- System Location Discovery: System Language Discovery
PID:5108
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\_uinsey.bat
- Size 358B
- SHA256 b9a8a85ae45860b33d1476865c976f17d6ef74627467574628c76b71523e933c
- MD5 8f1e3207767cc4e3a13c2d865dbd1fdd
- SHA1 bf1cd485503c0a0b22fabffd2262e78f6bd87af4
- SHA512 d2af2a13a01acac2276f707553e20aad78e0071e7a39502c1e1677821bfae8d8844465c1afbdd4df55c3bcafdac9ded8fe794dfe969726e31a3ffaa41d092551
- TLSH T16BE0D810016ED97D1608D01B0977714EC2245C787E862716972186C6209AC0F74D6612
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
- Size 512B
- SHA256 b6b8f76de2c5aa0d24564d9a80ac0107fe1349893c1be5d96902c8d200d725db
- MD5 3d8ed376bf3f75fd964c9d0af72939ec
- SHA1 487ebdfe59c9fe157557b45c0b7e590bea4f2689
- SHA512 15352a3700d0efaddb1f6f7c5fddd49f21f628291a893c8f14853ebec6a8c61b1afd3ea2e692acc533df17e515e91c9feba2bd3e56831e28c250dc1e7e8a71a4
- TLSH T1E8F04CD91069D0A23612E232D6D417952F931D985D579C580145B1B04E76F5CC514255
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\kyafz.exe
- Size 210KB
- SHA256 bb50d80c69d2a3170f8dfa0cfb939bebc63aeb5174476e5588c74e458a21fdf3
- MD5 cb13a1722f92e462cbd155f2467474d6
- SHA1 fae9e23eebc7c0cff565c63489ccf4697b7a06da
- SHA512 70b6591be998608fca6ff6ff99d90f237aa576cf6633f2f6bed190280dc089bb92ac6f6ab3c73b026a63295054de46218897111142e23538b664496b01aae162
- SSDEEP 3072:pjYOczeu2Cd2DfQpnX6+1cNi2gpYBFuys62fzFyc9hEDai93Bk4qM4y84zbVTm9/:pUOuLd28pK+1c6otstFGDaGOZI4
- TLSH T1B72401965A029469F35D0B314991F2F408A5AE3C5ACEE40FE5BCBC37A4722932A7315F
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\ylsoh.exe
- Size 525KB
- SHA256 f42d655b0780e7e20ef85ca3cb60d6ca48ed29d894e93878063cd8e1df08e93e
- MD5 947b932e1d71f94fab24f800a4121607
- SHA1 5c1088f7dc61b117a4c3976bdbe8f2a13a91dd49
- SHA512 7e3e648c000c362cdf5009d97c89aa0ac4057e6922431c1cbec95844bfb278a5c9670df0d66872760ad7f2b6af258419aa143e770f808ca6c1a02777034ae5cd
- SSDEEP 6144:Y2KW7lwFXUEeJi2xVCVxfwY+0QSyvmZ3INALzTuFjSMg4ONgOZLOMZDOP2jqAigI:YwGtVfjTQSaoINAHTusMgDND4oqnDp
- TLSH T172B4BF103790C475E36627310896E6F009B9BC385AA5D68FF7A47E3A5E312938A7734F
- MD5 SHA1 SHA512 SSDEEP TLSH