neconyd | fa3247474797263213937c159008a160cfda3326bcd57d8fea2ff13121db9085

Analysis

max time kernel
145s
max time network
144s
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, 09:03

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General

Target

2025-04-06_a68e7eb94cc9de700743fc84a9c6c688_amadey_rhadamanthys_smoke-loader.exe
Size

134KB
MD5

a68e7eb94cc9de700743fc84a9c6c688
SHA1

0514d33b2fe7dd8038b285c38ea65b56753f78e6
SHA256

fa3247474797263213937c159008a160cfda3326bcd57d8fea2ff13121db9085
SHA512

1db66903e2d2b7b813dc3e6e9842b00f01d385120d584b4bd3416322dbc167479622eb195309b32bf8d40e89fbefaab594da321387924b904f35c08fd8fd285c
SSDEEP

1536:sDfDbhERTatPLTH0iqNZg3mqKv6y0RrwFd1tSEsF27da6ZW72Foj/MqMabadwCi3:SiRTeH0iqAW6J6f1tqF6dngNmaZCiaI

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
4932	omsecor.exe
2204	omsecor.exe
4388	omsecor.exe
4540	omsecor.exe
3044	omsecor.exe
2688	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 5020 set thread context of 1488	5020	2025-04-06_a68e7eb94cc9de700743fc84a9c6c688_amadey_rhadamanthys_smoke-loader.exe	87
PID 4932 set thread context of 2204	4932	omsecor.exe	92
PID 4388 set thread context of 4540	4388	omsecor.exe	119
PID 3044 set thread context of 2688	3044	omsecor.exe	123

Program crash 4 IoCs

pid	pid_target	Process	procid_target
2272	5020	WerFault.exe	86
4004	4932	WerFault.exe	90
2680	4388	WerFault.exe	118
2372	3044	WerFault.exe	121

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_a68e7eb94cc9de700743fc84a9c6c688_amadey_rhadamanthys_smoke-loader.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-04-06_a68e7eb94cc9de700743fc84a9c6c688_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 5020 wrote to memory of 1488	5020	2025-04-06_a68e7eb94cc9de700743fc84a9c6c688_amadey_rhadamanthys_smoke-loader.exe	87
PID 5020 wrote to memory of 1488	5020	2025-04-06_a68e7eb94cc9de700743fc84a9c6c688_amadey_rhadamanthys_smoke-loader.exe	87
PID 5020 wrote to memory of 1488	5020	2025-04-06_a68e7eb94cc9de700743fc84a9c6c688_amadey_rhadamanthys_smoke-loader.exe	87
PID 5020 wrote to memory of 1488	5020	2025-04-06_a68e7eb94cc9de700743fc84a9c6c688_amadey_rhadamanthys_smoke-loader.exe	87
PID 5020 wrote to memory of 1488	5020	2025-04-06_a68e7eb94cc9de700743fc84a9c6c688_amadey_rhadamanthys_smoke-loader.exe	87
PID 1488 wrote to memory of 4932	1488	2025-04-06_a68e7eb94cc9de700743fc84a9c6c688_amadey_rhadamanthys_smoke-loader.exe	90
PID 1488 wrote to memory of 4932	1488	2025-04-06_a68e7eb94cc9de700743fc84a9c6c688_amadey_rhadamanthys_smoke-loader.exe	90
PID 1488 wrote to memory of 4932	1488	2025-04-06_a68e7eb94cc9de700743fc84a9c6c688_amadey_rhadamanthys_smoke-loader.exe	90
PID 4932 wrote to memory of 2204	4932	omsecor.exe	92
PID 4932 wrote to memory of 2204	4932	omsecor.exe	92
PID 4932 wrote to memory of 2204	4932	omsecor.exe	92
PID 4932 wrote to memory of 2204	4932	omsecor.exe	92
PID 4932 wrote to memory of 2204	4932	omsecor.exe	92
PID 2204 wrote to memory of 4388	2204	omsecor.exe	118
PID 2204 wrote to memory of 4388	2204	omsecor.exe	118
PID 2204 wrote to memory of 4388	2204	omsecor.exe	118
PID 4388 wrote to memory of 4540	4388	omsecor.exe	119
PID 4388 wrote to memory of 4540	4388	omsecor.exe	119
PID 4388 wrote to memory of 4540	4388	omsecor.exe	119
PID 4388 wrote to memory of 4540	4388	omsecor.exe	119
PID 4388 wrote to memory of 4540	4388	omsecor.exe	119
PID 4540 wrote to memory of 3044	4540	omsecor.exe	121
PID 4540 wrote to memory of 3044	4540	omsecor.exe	121
PID 4540 wrote to memory of 3044	4540	omsecor.exe	121
PID 3044 wrote to memory of 2688	3044	omsecor.exe	123
PID 3044 wrote to memory of 2688	3044	omsecor.exe	123
PID 3044 wrote to memory of 2688	3044	omsecor.exe	123
PID 3044 wrote to memory of 2688	3044	omsecor.exe	123
PID 3044 wrote to memory of 2688	3044	omsecor.exe	123

C:\Users\Admin\AppData\Local\Temp\2025-04-06_a68e7eb94cc9de700743fc84a9c6c688_amadey_rhadamanthys_smoke-loader.exe
"C:\Users\Admin\AppData\Local\Temp\2025-04-06_a68e7eb94cc9de700743fc84a9c6c688_amadey_rhadamanthys_smoke-loader.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5020
- C:\Users\Admin\AppData\Local\Temp\2025-04-06_a68e7eb94cc9de700743fc84a9c6c688_amadey_rhadamanthys_smoke-loader.exe
  C:\Users\Admin\AppData\Local\Temp\2025-04-06_a68e7eb94cc9de700743fc84a9c6c688_amadey_rhadamanthys_smoke-loader.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1488
- - 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:4932
  - - 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:2204
    - - 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:4388
      - 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:4540
        
        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:3044
        
        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:2688
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 256
        8⤵
        Program crash
        
        PID:2372
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4388 -s 296
        6⤵
        Program crash
        
        PID:2680
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4932 -s 288
      4⤵
      Program crash
      PID:4004
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5020 -s 300
  2⤵
  - Program crash
  PID:2272

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 5020 -ip 5020
1⤵
PID:3900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4932 -ip 4932
1⤵
PID:2460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 4388 -ip 4388
1⤵
PID:1756

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3044 -ip 3044
1⤵
PID:1792

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
ed2af1bc1226f28bb6a8626602635153

SHA1
0ec8287ebb6a072487bec9974dfc17f3886d44e0

SHA256
7d232dfd9429717d046a2a8d7040fddf5154949c54dab2423ca8699b71356f58

SHA512
b074249ab17f183976d8da9a2961a12bf77a421921fc09aafd96435552fa8fa64cf9ca1a8aa05df42a1b1e205a63be2e51b103ebb6737b696a9248d3f0e723e3

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

Filesize
134KB

MD5
d82b084ef9c1c590c60da67db75a2154

SHA1
a32c4022bee0ee1d7ee039de9494ef2fe88fe8ec

SHA256
fd678e666ec389ad4c1f63c240a2aa1c1225679a25513ffb6e2916af4a05d933

SHA512
75df57527134c23d442efad1f5bb7b8c7072a3dd4d96065863f3c92b54eb08b319279a0b0d3980e6fa845c2df243f39699f62d1fd17e0ddea9ecb0c6fa3d1c88

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

Filesize
134KB

MD5
51756737ef5d272cea05e3e6b0b97382

SHA1
96eb36883d989f349ac4c728cd0b6881294681f5

SHA256
5cd5d760c46eff7a25cad8607bbad9a48c3294f5474010df8e25ace8f555e6b5

SHA512
43aa42a4f5eb818b8317b11025770e8e047489754d61f0ba92e0f73f00a03e7a589fabc1e724ab61364f7b43bcbe9cbd16039e8aa64045604dbf3ba1fee0ac3b

Download Submit
memory/1488-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1488-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1488-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1488-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2204-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2204-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2204-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2204-31-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2204-18-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2204-21-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2204-24-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2688-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2688-55-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2688-52-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2688-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3044-45-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4388-32-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4388-51-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4540-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4540-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4540-40-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4932-8-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4932-16-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/5020-17-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/5020-0-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download