neconyd | 0b9b920406bfd2c90497cb05ac283bdde78b0b9f5c2dcd279c0884eb0cd82b4c

Analysis

max time kernel
149s
max time network
148s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
28/05/2026, 15:37

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General

Target
2026-05-28_cfa9f986e275faaa56ad8d00dadd04db_elex_rhadamanthys_stop.exe
Size 61KB
Sample260528-s2ryhsdv7m
SHA256 0b9b920406bfd2c90497cb05ac283bdde78b0b9f5c2dcd279c0884eb0cd82b4c
MD5 cfa9f986e275faaa56ad8d00dadd04db
SHA1 cf7d3c6dafa81ff3c6f18f398de10e86f7b8f1df
SHA512 bfa1492a753e44da595d95d9c55abe081f56e1015eddf287118813d5fa87fe7c9dac83f8f1c6fad8ccdd195f98a26a5d386f3d1497ae464cdb01fa96b72c243a
SSDEEP 1536:+d9dseIOcE93bIvYvZEyF4EEOF6N4yS+AQmZ6l/5:mdseIOMEZEyFjEOFqTiQm8l/5
TLSH
T11E538D55B2F9C075E1A309F16A7DAA91C9FEBD3816A0D5C7D3101C8B6EB01D2D23938B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery neconyd trojan

Malware Config

Extracted

Family

neconyd

http://ow5dirasuek.com/
http://mkkuei4kdsz.com/
http://lousta.net/

Signatures

Family: Neconyd
Neconyd is a trojan written in C++.
trojan neconyd

Executes dropped EXE 2 IoCs

pid	Process
2020	omsecor.exe
1696	omsecor.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\omsecor.exe	omsecor.exe
File opened for modification	C:\Windows\SysWOW64\merocz.xc6	omsecor.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-05-28_cfa9f986e275faaa56ad8d00dadd04db_elex_rhadamanthys_stop.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 5240 wrote to memory of 2020	5240	2026-05-28_cfa9f986e275faaa56ad8d00dadd04db_elex_rhadamanthys_stop.exe	80
PID 2020 wrote to memory of 1696	2020	omsecor.exe	81

C:\Users\Admin\AppData\Local\Temp\2026-05-28_cfa9f986e275faaa56ad8d00dadd04db_elex_rhadamanthys_stop.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-28_cfa9f986e275faaa56ad8d00dadd04db_elex_rhadamanthys_stop.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5240
- C:\Users\Admin\AppData\Roaming\omsecor.exe
  C:\Users\Admin\AppData\Roaming\omsecor.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2020
- - C:\Windows\SysWOW64\omsecor.exe
    C:\Windows\System32\omsecor.exe
    3⤵
    - Executes dropped EXE
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    PID:1696

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

omsecor.exe

Path C:\Users\Admin\AppData\Roaming\omsecor.exe
Size 61KB
SHA256 c28dd1e8157e2ded078223b46e9c013529fd091b8b563fc1a53fd54d8d89af33
MD5 c94bd41f4acf176f770baca99fbf8b90
SHA1 f72abf2c95c757bf2eb63e8744963131fb0e2fd7
SHA512 a81a253bd04ba3acab7ceee851082f7ad5a92f264b9994b7a0715197e88e776b700469e0a031b14dcb904f551e3a438bcb17f9127939a45f500bbf917942b502
SSDEEP 1536:Cd9dseIOcE93bIvYvZEyF4EEOF6N4yS+AQmZ6l/5:ydseIOMEZEyFjEOFqTiQm8l/5
TLSH
T125538D55B2F9C075E1A309F16A7DAA91C9FEBD3815A0D5C7D3101C8B6EB01D2D23938B
MD5 SHA1 SHA512 SSDEEP TLSH

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