neconyd | c4daa36733b2be3d5cb89ab16807fd5e790bec05ee849df1db7723f316586426

Analysis

max time kernel
116s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-02-2025 06:43

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General

Target

c4daa36733b2be3d5cb89ab16807fd5e790bec05ee849df1db7723f316586426N.exe
Size

96KB
MD5

2acb002195d7adb3c6eace37311cb4c0
SHA1

685bf6ed8201ad3465d414987f997b6712434536
SHA256

c4daa36733b2be3d5cb89ab16807fd5e790bec05ee849df1db7723f316586426
SHA512

4f1fcff94d824216d41be3aaf4723912e013b01c0830c298d778c30b1fc501346bbe0751e647542b42f4ebe19061927d835863a568cf35577318312c51ad1129
SSDEEP

1536:AnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxz:AGs8cd8eXlYairZYqMddH13z

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
2340	omsecor.exe
3480	omsecor.exe
1616	omsecor.exe
2168	omsecor.exe
4000	omsecor.exe
932	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 3836 set thread context of 2084	3836	c4daa36733b2be3d5cb89ab16807fd5e790bec05ee849df1db7723f316586426N.exe	82
PID 2340 set thread context of 3480	2340	omsecor.exe	87
PID 1616 set thread context of 2168	1616	omsecor.exe	100
PID 4000 set thread context of 932	4000	omsecor.exe	104

Program crash 4 IoCs

pid	pid_target	Process	procid_target
4720	3836	WerFault.exe	81
4432	2340	WerFault.exe	85
372	1616	WerFault.exe	99
1376	4000	WerFault.exe	102

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	c4daa36733b2be3d5cb89ab16807fd5e790bec05ee849df1db7723f316586426N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c4daa36733b2be3d5cb89ab16807fd5e790bec05ee849df1db7723f316586426N.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 3836 wrote to memory of 2084	3836	c4daa36733b2be3d5cb89ab16807fd5e790bec05ee849df1db7723f316586426N.exe	82
PID 3836 wrote to memory of 2084	3836	c4daa36733b2be3d5cb89ab16807fd5e790bec05ee849df1db7723f316586426N.exe	82
PID 3836 wrote to memory of 2084	3836	c4daa36733b2be3d5cb89ab16807fd5e790bec05ee849df1db7723f316586426N.exe	82
PID 3836 wrote to memory of 2084	3836	c4daa36733b2be3d5cb89ab16807fd5e790bec05ee849df1db7723f316586426N.exe	82
PID 3836 wrote to memory of 2084	3836	c4daa36733b2be3d5cb89ab16807fd5e790bec05ee849df1db7723f316586426N.exe	82
PID 2084 wrote to memory of 2340	2084	c4daa36733b2be3d5cb89ab16807fd5e790bec05ee849df1db7723f316586426N.exe	85
PID 2084 wrote to memory of 2340	2084	c4daa36733b2be3d5cb89ab16807fd5e790bec05ee849df1db7723f316586426N.exe	85
PID 2084 wrote to memory of 2340	2084	c4daa36733b2be3d5cb89ab16807fd5e790bec05ee849df1db7723f316586426N.exe	85
PID 2340 wrote to memory of 3480	2340	omsecor.exe	87
PID 2340 wrote to memory of 3480	2340	omsecor.exe	87
PID 2340 wrote to memory of 3480	2340	omsecor.exe	87
PID 2340 wrote to memory of 3480	2340	omsecor.exe	87
PID 2340 wrote to memory of 3480	2340	omsecor.exe	87
PID 3480 wrote to memory of 1616	3480	omsecor.exe	99
PID 3480 wrote to memory of 1616	3480	omsecor.exe	99
PID 3480 wrote to memory of 1616	3480	omsecor.exe	99
PID 1616 wrote to memory of 2168	1616	omsecor.exe	100
PID 1616 wrote to memory of 2168	1616	omsecor.exe	100
PID 1616 wrote to memory of 2168	1616	omsecor.exe	100
PID 1616 wrote to memory of 2168	1616	omsecor.exe	100
PID 1616 wrote to memory of 2168	1616	omsecor.exe	100
PID 2168 wrote to memory of 4000	2168	omsecor.exe	102
PID 2168 wrote to memory of 4000	2168	omsecor.exe	102
PID 2168 wrote to memory of 4000	2168	omsecor.exe	102
PID 4000 wrote to memory of 932	4000	omsecor.exe	104
PID 4000 wrote to memory of 932	4000	omsecor.exe	104
PID 4000 wrote to memory of 932	4000	omsecor.exe	104
PID 4000 wrote to memory of 932	4000	omsecor.exe	104
PID 4000 wrote to memory of 932	4000	omsecor.exe	104

C:\Users\Admin\AppData\Local\Temp\c4daa36733b2be3d5cb89ab16807fd5e790bec05ee849df1db7723f316586426N.exe
"C:\Users\Admin\AppData\Local\Temp\c4daa36733b2be3d5cb89ab16807fd5e790bec05ee849df1db7723f316586426N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3836
- C:\Users\Admin\AppData\Local\Temp\c4daa36733b2be3d5cb89ab16807fd5e790bec05ee849df1db7723f316586426N.exe
  C:\Users\Admin\AppData\Local\Temp\c4daa36733b2be3d5cb89ab16807fd5e790bec05ee849df1db7723f316586426N.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2084
- - 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:2340
  - - 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:3480
    - - 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:1616
      - 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:2168
        
        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:4000
        
        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:932
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4000 -s 256
        8⤵
        Program crash
        
        PID:1376
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1616 -s 292
        6⤵
        Program crash
        
        PID:372
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2340 -s 300
      4⤵
      Program crash
      PID:4432
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3836 -s 288
  2⤵
  - Program crash
  PID:4720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3836 -ip 3836
1⤵
PID:2080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2340 -ip 2340
1⤵
PID:4816

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 1616 -ip 1616
1⤵
PID:1860

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4000 -ip 4000
1⤵
PID:1528

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
364844142f2a078aa7ddb69580e6796a

SHA1
e0502380a30662a3b3909e886b400fb1418e4155

SHA256
df68b01bf9200f74912a6b8ac444b6480a87872ff6236882024ea5b46327a539

SHA512
b74d86ab468d799d716027393374dff2ede952f494bf7a82d9a4c272e55b72f45e37bb240f3828d89b938a333abf98f55b98c49d11e7d558926fb4d710b58153

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

Filesize
96KB

MD5
b6e040d7c07f726d569c9c28faa7b7a0

SHA1
38f0bb2980a8b099c5c2800d6b5127e18a5e9ef5

SHA256
359244f68fc915236a6983c922263b926b1f02d93b0149452dc25ed6b642de10

SHA512
aa3feca21e344be149e0006e46f90ea81257795a3e94cc6de90e6cd9d468b60cfc1167f346f8053fb198d3b05f8f05557450bfe23e80d01e1439a45f08fb9afc

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

Filesize
96KB

MD5
a7365a3c3a41ec0d14d08b08b86c98c1

SHA1
500795118f59711a2ff672d6e8d67037ad98b9b0

SHA256
0139d54808cf4d6fab95f02964f692f854c70795d352a44a332f1b5e17771cae

SHA512
f4585bddc42ddc5952c220070b767f4ab34c38b2fb1be3b3a3a10b78cc15613cc7f4457104b94c933566e687f8ab3a47b659c6120d70aa949c517c4b16a61ac3

Download Submit
memory/932-54-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/932-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/932-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1616-51-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1616-32-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2084-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2084-10-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2084-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2084-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2168-39-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2168-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2168-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2340-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2340-11-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3480-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3480-31-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3480-24-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3480-21-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3480-18-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3480-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3480-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3836-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3836-16-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4000-44-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4000-53-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download