neconyd | fa631e3a01c206a795aca1e4c24690b86560364546ce52405416436017ad746d

Analysis

max time kernel
146s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
07/02/2025, 07:10

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General

Target

fa631e3a01c206a795aca1e4c24690b86560364546ce52405416436017ad746d.exe
Size

96KB
MD5

aa88acfb7a9968aa6855bdcd044b8bad
SHA1

95d1dfdade216b01efe0cfd38445619180da0a82
SHA256

fa631e3a01c206a795aca1e4c24690b86560364546ce52405416436017ad746d
SHA512

6220d7d5c6cbd78c114e542e1374d69017ea35535056aef2a7e1fff42cff430ce269a0f3c94ae1fc96d1f34776181e835b86fac543f8db58efa5b14161550891
SSDEEP

1536:knAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxb:kGs8cd8eXlYairZYqMddH13b

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
3008	omsecor.exe
3496	omsecor.exe
3964	omsecor.exe
4776	omsecor.exe
3384	omsecor.exe
4236	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 3292 set thread context of 3272	3292	fa631e3a01c206a795aca1e4c24690b86560364546ce52405416436017ad746d.exe	84
PID 3008 set thread context of 3496	3008	omsecor.exe	89
PID 3964 set thread context of 4776	3964	omsecor.exe	107
PID 3384 set thread context of 4236	3384	omsecor.exe	111

Program crash 4 IoCs

pid	pid_target	Process	procid_target
4032	3292	WerFault.exe	83
4392	3008	WerFault.exe	86
1136	3964	WerFault.exe	106
3416	3384	WerFault.exe	109

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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fa631e3a01c206a795aca1e4c24690b86560364546ce52405416436017ad746d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fa631e3a01c206a795aca1e4c24690b86560364546ce52405416436017ad746d.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 3292 wrote to memory of 3272	3292	fa631e3a01c206a795aca1e4c24690b86560364546ce52405416436017ad746d.exe	84
PID 3292 wrote to memory of 3272	3292	fa631e3a01c206a795aca1e4c24690b86560364546ce52405416436017ad746d.exe	84
PID 3292 wrote to memory of 3272	3292	fa631e3a01c206a795aca1e4c24690b86560364546ce52405416436017ad746d.exe	84
PID 3292 wrote to memory of 3272	3292	fa631e3a01c206a795aca1e4c24690b86560364546ce52405416436017ad746d.exe	84
PID 3292 wrote to memory of 3272	3292	fa631e3a01c206a795aca1e4c24690b86560364546ce52405416436017ad746d.exe	84
PID 3272 wrote to memory of 3008	3272	fa631e3a01c206a795aca1e4c24690b86560364546ce52405416436017ad746d.exe	86
PID 3272 wrote to memory of 3008	3272	fa631e3a01c206a795aca1e4c24690b86560364546ce52405416436017ad746d.exe	86
PID 3272 wrote to memory of 3008	3272	fa631e3a01c206a795aca1e4c24690b86560364546ce52405416436017ad746d.exe	86
PID 3008 wrote to memory of 3496	3008	omsecor.exe	89
PID 3008 wrote to memory of 3496	3008	omsecor.exe	89
PID 3008 wrote to memory of 3496	3008	omsecor.exe	89
PID 3008 wrote to memory of 3496	3008	omsecor.exe	89
PID 3008 wrote to memory of 3496	3008	omsecor.exe	89
PID 3496 wrote to memory of 3964	3496	omsecor.exe	106
PID 3496 wrote to memory of 3964	3496	omsecor.exe	106
PID 3496 wrote to memory of 3964	3496	omsecor.exe	106
PID 3964 wrote to memory of 4776	3964	omsecor.exe	107
PID 3964 wrote to memory of 4776	3964	omsecor.exe	107
PID 3964 wrote to memory of 4776	3964	omsecor.exe	107
PID 3964 wrote to memory of 4776	3964	omsecor.exe	107
PID 3964 wrote to memory of 4776	3964	omsecor.exe	107
PID 4776 wrote to memory of 3384	4776	omsecor.exe	109
PID 4776 wrote to memory of 3384	4776	omsecor.exe	109
PID 4776 wrote to memory of 3384	4776	omsecor.exe	109
PID 3384 wrote to memory of 4236	3384	omsecor.exe	111
PID 3384 wrote to memory of 4236	3384	omsecor.exe	111
PID 3384 wrote to memory of 4236	3384	omsecor.exe	111
PID 3384 wrote to memory of 4236	3384	omsecor.exe	111
PID 3384 wrote to memory of 4236	3384	omsecor.exe	111

C:\Users\Admin\AppData\Local\Temp\fa631e3a01c206a795aca1e4c24690b86560364546ce52405416436017ad746d.exe
"C:\Users\Admin\AppData\Local\Temp\fa631e3a01c206a795aca1e4c24690b86560364546ce52405416436017ad746d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3292
- C:\Users\Admin\AppData\Local\Temp\fa631e3a01c206a795aca1e4c24690b86560364546ce52405416436017ad746d.exe
  C:\Users\Admin\AppData\Local\Temp\fa631e3a01c206a795aca1e4c24690b86560364546ce52405416436017ad746d.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3272
- - 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:3008
  - - 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:3496
    - - 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:3964
      - 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:4776
        
        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:3384
        
        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:4236
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3384 -s 220
        8⤵
        Program crash
        
        PID:3416
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3964 -s 296
        6⤵
        Program crash
        
        PID:1136
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3008 -s 300
      4⤵
      Program crash
      PID:4392
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3292 -s 288
  2⤵
  - Program crash
  PID:4032

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3292 -ip 3292
1⤵
PID:5004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3008 -ip 3008
1⤵
PID:2388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3964 -ip 3964
1⤵
PID:3228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3384 -ip 3384
1⤵
PID:3040

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
96KB

MD5
24f45864b857f2f36dc0a3fd94e14f6e

SHA1
1f8195230867bb822656744e5e4dcdf9d19dd922

SHA256
cd255c30af83481c5205fd3cebb410e377b2bceb0bb807d9f7c3e8462936ad48

SHA512
bb1ef53cfc0e80aef9b2c98388d63eef1890d0067a932c21db74476a38f57306afec207db138d7522221e1dc7670652460cdc35111dd388b9f4de622c27d16ae

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

Filesize
96KB

MD5
d78b30c514ce10800837df3433c3ac4e

SHA1
2b15c60ea2b057299dc3fb5372c711ab8b8ec445

SHA256
d5414ec810a62b2b7ec7fbd70db5d537147656d2a230cfb40cc9e64e4db7d192

SHA512
428a4d93b1502b234994f3a019ac2e264f4c1e06137d01bdfd93e38991b2f81a8b47af6b597ef2ad6e4329bbbc98c95f141fb3a5221bb488d87c55d9403f69f8

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

Filesize
96KB

MD5
2107de6bef31349ebfdf97e4f2c083fd

SHA1
0771c695a2258c72fe0c018d2431b78c1013094a

SHA256
b611e486b07f037d75c974e295e6878fdaebee6ea754e0b1eeec902f3d4024b8

SHA512
6f40781e95c27e7feb9c788968ad6c1b1012c71c39b0ee00522ef9291cb1dc7287f945c293d614693a81b0cb83afba7245890eb20963e2283230146711152c8c

Download Submit
memory/3008-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3008-11-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3272-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3272-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3272-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3272-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3292-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3292-19-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3384-54-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3384-45-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3496-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3496-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3496-31-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3496-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3496-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3496-27-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3496-23-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3964-32-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3964-52-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4236-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4236-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4236-55-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4236-58-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4776-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4776-40-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4776-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download