Analysis
- max time kernel
149s - max time network
158s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
17/04/2026, 03:29
Behavioral task
behavioral1
Sample
2026-04-17_2c9b052a9cb6c639f91ae89162060e3d_elex_rhadamanthys_stealc_stop.exe
Resource
win10v2004-20260130-en
7 signatures
150 seconds
General
- Target 2026-04-17_2c9b052a9cb6c639f91ae89162060e3d_elex_rhadamanthys_stealc_stop.exe
- Size 525KB
- Sample260417-d2a8faes8m
- SHA256 cfea430fd9cb424e38ac5a6f5fe12b47759445fbf24d10ee2e885a547c0c6080
- MD5 2c9b052a9cb6c639f91ae89162060e3d
- SHA1 225fd9429df52e7f98b7558da49023cd985204ca
- SHA512 a2f9abc08fb0870ca4c2e881dd3e1c1a51a51c8534f01a98fccdcc284a9f436edb853422d1fe24199a98bf62983b611f6af3ec40755a20531698be8b865adabc
- SSDEEP 6144:Y2KW7lwFXUEeJi2xVCVxfwY+0QSyvmZ3INALzTuFjSMg4ONgOZLOMZDOP2jqAigo:YwGtVfjTQSaoINAHTusMgDND4oqnDB
- TLSH T157B4BE103790C475E36627310896E6F009B9BC385AA5D68FF7A47E3A5E312938A7734F
- 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 1032 wosyf.exe 1304 hyalp.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 2026-04-17_2c9b052a9cb6c639f91ae89162060e3d_elex_rhadamanthys_stealc_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wosyf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language hyalp.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe 1304 hyalp.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3080 wrote to memory of 1032 3080 2026-04-17_2c9b052a9cb6c639f91ae89162060e3d_elex_rhadamanthys_stealc_stop.exe 80 PID 3080 wrote to memory of 4436 3080 2026-04-17_2c9b052a9cb6c639f91ae89162060e3d_elex_rhadamanthys_stealc_stop.exe 81 PID 1032 wrote to memory of 1304 1032 wosyf.exe 83
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-17_2c9b052a9cb6c639f91ae89162060e3d_elex_rhadamanthys_stealc_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-17_2c9b052a9cb6c639f91ae89162060e3d_elex_rhadamanthys_stealc_stop.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3080 -
C:\Users\Admin\AppData\Local\Temp\wosyf.exe"C:\Users\Admin\AppData\Local\Temp\wosyf.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1032 -
C:\Users\Admin\AppData\Local\Temp\hyalp.exe"C:\Users\Admin\AppData\Local\Temp\hyalp.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1304
-
-
-
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:4436
-
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 bb5f19a0414d0531aba0dd50887220b1859d41c00be556cb08088e002cd958e3
- MD5 ee35fef6266f6704ed810482a49419bb
- SHA1 b3f1a89292f701cefd8f5fb7aaab6140e893a4ef
- SHA512 ef9d41affc137ae72a74857fb3e88f091999c7bf7ab89bc7c0c3f76e849376050e931643d1d95cebc206cdc3c2db13804833c8947340e67f22e2528311a392cb
- TLSH T1D4E0DF0040EEEAAF040DA02B0DA6A10E8530ED693FC7AB10A621DAC821AE40DBDD6611
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
- Size 512B
- SHA256 41b1579b8c60de7233e17cad69682f111b4674ed6837e22d7f313ec26825f042
- MD5 91b79fc12e3505c1f476f6dc08f70529
- SHA1 456e536d0dd1c4dd76b451fc917360e92f28dbc5
- SHA512 90d3983df4f453d9b3b2a73568881f5c8732abb0f695a9366eafaf90e0d41670e2f375ef3a4247852ab298cabba425bca3ac0e2baa68ccdfbdf3e7afcb2852df
- TLSH T18BF04CD21071E0513711E512D6A45B6DA7A35D941E575C610155F2304E36E2C4415396
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\hyalp.exe
- Size 210KB
- SHA256 18f64f56b2b61808c1cac15b894394a32aa00a82eb2439d207aee59500b4819d
- MD5 3ff3a49572f3441b5cf8fa8812754070
- SHA1 6ff4d96def7666fcab4c6b0e1884a75e864f5041
- SHA512 e4b7136501e4134ec12f876663245f2a22ae44ed79133803f722e614be27ba793ed6fdd3523e8b6a751cb1bc18c58edfc25665d6a5dbda1c6d98bde0deac42f8
- SSDEEP 3072:pjYOczeu2Cd2DfQpnX6+1cNi2gpYBFuys62fzFyc9hEDai93Bk4qM4y84zbVTm9t:pUOuLd28pK+1c6otstFGDaGOZII
- TLSH T1C72401965A029469F35D0B314991F2F408A5AE3C5ACEE40FE5BCBC37A4722932A7315F
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\wosyf.exe
- Size 525KB
- SHA256 210118ab9f95fcc7686a13e4fe18f4b26009dddedca9659274188e05de696a0f
- MD5 40e0dbd84c1a3c05c788b6997f25a507
- SHA1 03fb22d80592d71d1cf0ef544275eef2232aefc6
- SHA512 f1b48f58d65cf5e8da7478bb0654409142edc5fd03d6a8b2ebc5a6ed8bb2b37138497003a023242c734f6579bc668256daa33e2726d12fef8d1c3fc6cc773167
- SSDEEP 6144:Y2KW7lwFXUEeJi2xVCVxfwY+0QSyvmZ3INALzTuFjSMg4ONgOZLOMZDOP2jqAigZ:YwGtVfjTQSaoINAHTusMgDND4oqnDg
- TLSH T173B4BF103790C475E36627310896E6F009B9BC385AA5D68FF7A47E3A5E312938A7734F
- MD5 SHA1 SHA512 SSDEEP TLSH