neconyd | 5395db5ee6c99c19f231a88dbfb6bf73510c4ca908f2e54a673500f67ea7f6b2

Analysis

max time kernel
146s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
06/04/2025, 17:03

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General

Target

2025-04-06_f44a9d1fee0acdd0b45f6954374b4449_amadey_rhadamanthys_smoke-loader.exe
Size

134KB
MD5

f44a9d1fee0acdd0b45f6954374b4449
SHA1

8cac9ba608c56a05db3b1f22a92e91291633a80f
SHA256

5395db5ee6c99c19f231a88dbfb6bf73510c4ca908f2e54a673500f67ea7f6b2
SHA512

3e6e62705e59a1c789b4bdf5edc2c421fb3d8f4c30d017633b52a2810c9694af77529bc18279b6e0954578d7519595faed4498e7c8e55ee17726734d2d32afb7
SSDEEP

1536:GDfDbhERTatPLTH0iqNZg3mqKv6y0RrwFd1tSEsF27da6ZW72Foj/MqMabadwCiV:4iRTeH0iqAW6J6f1tqF6dngNmaZCiaI

Score

10^/10

neconyd discovery trojan

Malware Config

Extracted

Family

neconyd

http://ow5dirasuek.com/

http://mkkuei4kdsz.com/

http://lousta.net/

Signatures

Neconyd
Neconyd is a trojan written in C++.
trojan neconyd
Neconyd family
neconyd

Executes dropped EXE 6 IoCs

pid	Process
1524	omsecor.exe
1244	omsecor.exe
4300	omsecor.exe
2912	omsecor.exe
5772	omsecor.exe
2492	omsecor.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\omsecor.exe	omsecor.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 848 set thread context of 4224	848	2025-04-06_f44a9d1fee0acdd0b45f6954374b4449_amadey_rhadamanthys_smoke-loader.exe	86
PID 1524 set thread context of 1244	1524	omsecor.exe	90
PID 4300 set thread context of 2912	4300	omsecor.exe	114
PID 5772 set thread context of 2492	5772	omsecor.exe	118

Program crash 4 IoCs

pid	pid_target	Process	procid_target
5792	848	WerFault.exe	85
5888	1524	WerFault.exe	88
368	4300	WerFault.exe	113
2264	5772	WerFault.exe	116

System Location Discovery: System Language Discovery 1 TTPs 8 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	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-04-06_f44a9d1fee0acdd0b45f6954374b4449_amadey_rhadamanthys_smoke-loader.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-04-06_f44a9d1fee0acdd0b45f6954374b4449_amadey_rhadamanthys_smoke-loader.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.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 29 IoCs

description	pid	Process	procid_target
PID 848 wrote to memory of 4224	848	2025-04-06_f44a9d1fee0acdd0b45f6954374b4449_amadey_rhadamanthys_smoke-loader.exe	86
PID 848 wrote to memory of 4224	848	2025-04-06_f44a9d1fee0acdd0b45f6954374b4449_amadey_rhadamanthys_smoke-loader.exe	86
PID 848 wrote to memory of 4224	848	2025-04-06_f44a9d1fee0acdd0b45f6954374b4449_amadey_rhadamanthys_smoke-loader.exe	86
PID 848 wrote to memory of 4224	848	2025-04-06_f44a9d1fee0acdd0b45f6954374b4449_amadey_rhadamanthys_smoke-loader.exe	86
PID 848 wrote to memory of 4224	848	2025-04-06_f44a9d1fee0acdd0b45f6954374b4449_amadey_rhadamanthys_smoke-loader.exe	86
PID 4224 wrote to memory of 1524	4224	2025-04-06_f44a9d1fee0acdd0b45f6954374b4449_amadey_rhadamanthys_smoke-loader.exe	88
PID 4224 wrote to memory of 1524	4224	2025-04-06_f44a9d1fee0acdd0b45f6954374b4449_amadey_rhadamanthys_smoke-loader.exe	88
PID 4224 wrote to memory of 1524	4224	2025-04-06_f44a9d1fee0acdd0b45f6954374b4449_amadey_rhadamanthys_smoke-loader.exe	88
PID 1524 wrote to memory of 1244	1524	omsecor.exe	90
PID 1524 wrote to memory of 1244	1524	omsecor.exe	90
PID 1524 wrote to memory of 1244	1524	omsecor.exe	90
PID 1524 wrote to memory of 1244	1524	omsecor.exe	90
PID 1524 wrote to memory of 1244	1524	omsecor.exe	90
PID 1244 wrote to memory of 4300	1244	omsecor.exe	113
PID 1244 wrote to memory of 4300	1244	omsecor.exe	113
PID 1244 wrote to memory of 4300	1244	omsecor.exe	113
PID 4300 wrote to memory of 2912	4300	omsecor.exe	114
PID 4300 wrote to memory of 2912	4300	omsecor.exe	114
PID 4300 wrote to memory of 2912	4300	omsecor.exe	114
PID 4300 wrote to memory of 2912	4300	omsecor.exe	114
PID 4300 wrote to memory of 2912	4300	omsecor.exe	114
PID 2912 wrote to memory of 5772	2912	omsecor.exe	116
PID 2912 wrote to memory of 5772	2912	omsecor.exe	116
PID 2912 wrote to memory of 5772	2912	omsecor.exe	116
PID 5772 wrote to memory of 2492	5772	omsecor.exe	118
PID 5772 wrote to memory of 2492	5772	omsecor.exe	118
PID 5772 wrote to memory of 2492	5772	omsecor.exe	118
PID 5772 wrote to memory of 2492	5772	omsecor.exe	118
PID 5772 wrote to memory of 2492	5772	omsecor.exe	118

C:\Users\Admin\AppData\Local\Temp\2025-04-06_f44a9d1fee0acdd0b45f6954374b4449_amadey_rhadamanthys_smoke-loader.exe
"C:\Users\Admin\AppData\Local\Temp\2025-04-06_f44a9d1fee0acdd0b45f6954374b4449_amadey_rhadamanthys_smoke-loader.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:848
- C:\Users\Admin\AppData\Local\Temp\2025-04-06_f44a9d1fee0acdd0b45f6954374b4449_amadey_rhadamanthys_smoke-loader.exe
  C:\Users\Admin\AppData\Local\Temp\2025-04-06_f44a9d1fee0acdd0b45f6954374b4449_amadey_rhadamanthys_smoke-loader.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4224
- - C:\Users\Admin\AppData\Roaming\omsecor.exe
    C:\Users\Admin\AppData\Roaming\omsecor.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1524
  - - C:\Users\Admin\AppData\Roaming\omsecor.exe
      C:\Users\Admin\AppData\Roaming\omsecor.exe
      4⤵
      Executes dropped EXE
      Drops file in System32 directory
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:1244
    - - C:\Windows\SysWOW64\omsecor.exe
        
        C:\Windows\System32\omsecor.exe
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:4300
      - C:\Windows\SysWOW64\omsecor.exe
        
        C:\Windows\SysWOW64\omsecor.exe
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2912
        
        C:\Users\Admin\AppData\Roaming\omsecor.exe
        
        C:\Users\Admin\AppData\Roaming\omsecor.exe
        7⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:5772
        
        C:\Users\Admin\AppData\Roaming\omsecor.exe
        
        C:\Users\Admin\AppData\Roaming\omsecor.exe
        8⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:2492
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 5772 -s 268
        8⤵
        Program crash
        
        PID:2264
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4300 -s 292
        6⤵
        Program crash
        
        PID:368
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1524 -s 300
      4⤵
      Program crash
      PID:5888
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 848 -s 288
  2⤵
  - Program crash
  PID:5792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 848 -ip 848
1⤵
PID:5500

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1524 -ip 1524
1⤵
PID:6116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4300 -ip 4300
1⤵
PID:2796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 5772 -ip 5772
1⤵
PID:5116

Network

MITRE ATT&CK Enterprise v15

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

C:\Users\Admin\AppData\Roaming\omsecor.exe

Filesize
134KB

MD5
f80e9f3ff6162d021c5a62b7e25de64a

SHA1
4c434282b0d0fbf59eb19095dfe0d639090f9604

SHA256
a76cca8a7b8ef40da78499ac46e532f2e1a53b76a1e15f0cbde27e7b858f1464

SHA512
e0bea166f4b94c433dcdf456cce3f7f191dd94fd7955d9d0d6c71c93087d5e3b4329cd81cf23a153bb1c09b97639d27f8d4e064053516bb500feb969ffa7fe88

Download Submit
C:\Users\Admin\AppData\Roaming\omsecor.exe

Filesize
134KB

MD5
c7f10c3d094c17913f9bec9d19b4a52d

SHA1
4efe80226e7e15308df4fb25e8788e89cb55d9c4

SHA256
c570befd4185b91701585855ec587ff75b6aadba349e9aa5ae068a494a83c42a

SHA512
9b45ed46ec90354064b4d4f556b1b19d4ce52c4738d3d6fa26ced385fffbae2465ea7133b2173b22cd641443af7b510107d05b8d8cd6a2236a0e0cfa645ae7cb

Download Submit
C:\Windows\SysWOW64\omsecor.exe

Filesize
134KB

MD5
1fa86bff7e7017c5c819b4479df8c726

SHA1
931cc9775f618cc8317d0ff0904e9f8363b3a4e7

SHA256
429aea47126fb01a76d226642aeded43c96812d7b74c3f308ae2ec8725ee5ac9

SHA512
806420fadbca003110424f879ea0edcd3793954b9ac038f3593adc8b0d2ff9b8d87d4dad0f50fcebdb241183e4109847f554566e952df04ca4048aa9828975cf

Download Submit
memory/848-16-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/848-0-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1244-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1244-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1244-30-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1244-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1244-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1244-22-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1244-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1524-10-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1524-17-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2492-51-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2492-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2492-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2492-54-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2912-39-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2912-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2912-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4224-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4224-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4224-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4224-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4300-31-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4300-50-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/5772-44-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download