Analysis
- max time kernel
150s - max time network
85s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
27/10/2026, 14:08
Behavioral task
behavioral1
Sample
2026-10-26_781b98d013ed67439e45a4b9d8a5da15_elex_rhadamanthys_stealc_stop.exe
Resource
win10v2004-20260911-en
9 signatures
150 seconds
General
- Target 2026-10-26_781b98d013ed67439e45a4b9d8a5da15_elex_rhadamanthys_stealc_stop.exe
- Size 523KB
- Sample261027-rfjvcass9r
- SHA256 fd4b0eeaee3a4412a622ed55cef0beb00e785551c615359c53d1e1d94071f221
- MD5 781b98d013ed67439e45a4b9d8a5da15
- SHA1 d2330b47e7d2937a41f6dff5f524277754aa109b
- SHA512 57d004b1ac573ead01c1c4b5641b46e9a3fc8fe1562f3a945926417b04368d9d97d272a261bd647a14ac2ad31c69a2822ef9fdbedd896b73a5c27e265963a31c
- SSDEEP 6144:Y2KW7lwFXUEeJi2xVCVxfwY+0QSyvmZ3INALzTuFjSMg4ONgOZLOMZDOP2jqAigw:YwGtVfjTQSaoINAHTusMgDND4oqnDl
- TLSH T175B4BF103790C475E366273108A6E6F009B9BC385AA5D68FF7A47E3A5E311938A7734F
- 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 5728 vykui.exe 240 vuluq.exe - 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 3568 cmd.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname vykui.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain vykui.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 2026-10-26_781b98d013ed67439e45a4b9d8a5da15_elex_rhadamanthys_stealc_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vykui.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vuluq.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe 240 vuluq.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3500 wrote to memory of 5728 3500 2026-10-26_781b98d013ed67439e45a4b9d8a5da15_elex_rhadamanthys_stealc_stop.exe 89 PID 3500 wrote to memory of 3568 3500 2026-10-26_781b98d013ed67439e45a4b9d8a5da15_elex_rhadamanthys_stealc_stop.exe 90 PID 5728 wrote to memory of 240 5728 vykui.exe 92
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-26_781b98d013ed67439e45a4b9d8a5da15_elex_rhadamanthys_stealc_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-26_781b98d013ed67439e45a4b9d8a5da15_elex_rhadamanthys_stealc_stop.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3500 -
C:\Users\Admin\AppData\Local\Temp\vykui.exe"C:\Users\Admin\AppData\Local\Temp\vykui.exe"2⤵
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5728 -
C:\Users\Admin\AppData\Local\Temp\vuluq.exe"C:\Users\Admin\AppData\Local\Temp\vuluq.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:240
-
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_uinsey.bat" "2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:3568
-
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 471f525463f17a35165c90848dcf55b2697ea695694f65c356c1c91b5386fb8b
- MD5 10f901fbb90df45cfea6e8b61e1386a2
- SHA1 de7138409d89ba9d2f47d6f9a8f1184e64a7a166
- SHA512 c6647f013e905ed7d3a7371c3942b3883e141844921c885379f31d1ee0269cf362ebc92af9bf1b04ac4f86116f957f01d6f544a8ec35d9251beccbd7c5789bec
- TLSH T103E08605619AEA3D0409E01B0EBDB18DC1304BB97E8B2F556B32C79911CE58FB9DB211
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
- Size 512B
- SHA256 aab5b4c33dea8926d88957a3e55d5ac31e57d0741d57ff296858e68f602d950f
- MD5 7ef271ec78dcfa144d3a516372a33a7e
- SHA1 91ef3f6969a910b124c2d9fdbe88fe6ed6aa68e2
- SHA512 0f5a29bed6e0107e307859058e7cffd6af0046c76d8a656a321668c1958bab188d8898439b9f3a10133a681147c22afa0b1e179c292de5d07c6504e650486107
- TLSH T1F6F04CE22061F0453515F663C2941BD22BA31E4C1F836C80431971744537DCD8465357
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\vuluq.exe
- Size 209KB
- SHA256 7906c3448bafbedf1abaafeaceab6b710f324372e718f1eaff9a7a5794c099b1
- MD5 daefd9bc8dd4df2e62679efa6d8d7677
- SHA1 e0834a84f93b9fb8308c66d7558f07b2ec4bfe5c
- SHA512 ccec8bd92d7a23e756920d872f02898f04dc03dc8b57c75247e2cf4bd7b65734c4691888256ca51d6c0823e799a78b9beef6f1b609f0cf0b268c5c6665303edd
- SSDEEP 3072:pjYOczeu2Cd2DfQpnX6+1cNi2gpYBFuys62fzFyc9hEDai93Bk4qM4y84zbVTm9S:pUOuLd28pK+1c6otstFGDaGOZI7
- TLSH T1C22401965A029469F35D0B314991F2F408A5AE3C5ACEE40FE5FCBC37A4722932A7315F
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\vykui.exe
- Size 523KB
- SHA256 a7827de12cb7706826cb7a4275d3e48c4c3151e6c90f404ddd3be3011de93e42
- MD5 063570489203d0acf7f09d8ad1fd1c9c
- SHA1 68bae1eebc612837f65d3b0676f8bb1af3b6411c
- SHA512 5021369b7926185d5a31ebf1d47cc4a5f42f4196b404d74ef05072a38dc6d0486342611b619c4723458d9288fe8a20b6378c78d99e7fc63a025ba1ac767bd62f
- SSDEEP 6144:Y2KW7lwFXUEeJi2xVCVxfwY+0QSyvmZ3INALzTuFjSMg4ONgOZLOMZDOP2jqAige:YwGtVfjTQSaoINAHTusMgDND4oqnDn
- TLSH T1CAB4BF103790C475E3662B310896E6F009B9BC385AA5D68FF7A47E3A5E311938A7734F
- MD5 SHA1 SHA512 SSDEEP TLSH