neconyd | bd462c8dcee8afb7bf8e0fc17cff9e4b431bf5f7219e38fa3f4357200207863e

Analysis

max time kernel
115s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-01-2025 09:47

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General

Target

bd462c8dcee8afb7bf8e0fc17cff9e4b431bf5f7219e38fa3f4357200207863e.exe
Size

96KB
MD5

457a82e3e0a146a22e9dbacd802b75e6
SHA1

3198f8c4b0b1fcf8a03f3f90e7e9bc70ddc4b5aa
SHA256

bd462c8dcee8afb7bf8e0fc17cff9e4b431bf5f7219e38fa3f4357200207863e
SHA512

1d89cc96d6edb9d7918b9de9fccaa91a7c8f8ee77d7c58f33f5877406189aede63167c950ab0408651da7619b773742e2945529a061ae08f3d6aa411e6f0912b
SSDEEP

1536:EnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxz:EGs8cd8eXlYairZYqMddH13z

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
2264	omsecor.exe
2204	omsecor.exe
4348	omsecor.exe
1928	omsecor.exe
3512	omsecor.exe
2940	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 4052 set thread context of 1552	4052	bd462c8dcee8afb7bf8e0fc17cff9e4b431bf5f7219e38fa3f4357200207863e.exe	83
PID 2264 set thread context of 2204	2264	omsecor.exe	88
PID 4348 set thread context of 1928	4348	omsecor.exe	108
PID 3512 set thread context of 2940	3512	omsecor.exe	112

Program crash 4 IoCs

pid	pid_target	Process	procid_target
4808	4052	WerFault.exe	82
748	2264	WerFault.exe	85
748	4348	WerFault.exe	107
1868	3512	WerFault.exe	110

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	bd462c8dcee8afb7bf8e0fc17cff9e4b431bf5f7219e38fa3f4357200207863e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bd462c8dcee8afb7bf8e0fc17cff9e4b431bf5f7219e38fa3f4357200207863e.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 4052 wrote to memory of 1552	4052	bd462c8dcee8afb7bf8e0fc17cff9e4b431bf5f7219e38fa3f4357200207863e.exe	83
PID 4052 wrote to memory of 1552	4052	bd462c8dcee8afb7bf8e0fc17cff9e4b431bf5f7219e38fa3f4357200207863e.exe	83
PID 4052 wrote to memory of 1552	4052	bd462c8dcee8afb7bf8e0fc17cff9e4b431bf5f7219e38fa3f4357200207863e.exe	83
PID 4052 wrote to memory of 1552	4052	bd462c8dcee8afb7bf8e0fc17cff9e4b431bf5f7219e38fa3f4357200207863e.exe	83
PID 4052 wrote to memory of 1552	4052	bd462c8dcee8afb7bf8e0fc17cff9e4b431bf5f7219e38fa3f4357200207863e.exe	83
PID 1552 wrote to memory of 2264	1552	bd462c8dcee8afb7bf8e0fc17cff9e4b431bf5f7219e38fa3f4357200207863e.exe	85
PID 1552 wrote to memory of 2264	1552	bd462c8dcee8afb7bf8e0fc17cff9e4b431bf5f7219e38fa3f4357200207863e.exe	85
PID 1552 wrote to memory of 2264	1552	bd462c8dcee8afb7bf8e0fc17cff9e4b431bf5f7219e38fa3f4357200207863e.exe	85
PID 2264 wrote to memory of 2204	2264	omsecor.exe	88
PID 2264 wrote to memory of 2204	2264	omsecor.exe	88
PID 2264 wrote to memory of 2204	2264	omsecor.exe	88
PID 2264 wrote to memory of 2204	2264	omsecor.exe	88
PID 2264 wrote to memory of 2204	2264	omsecor.exe	88
PID 2204 wrote to memory of 4348	2204	omsecor.exe	107
PID 2204 wrote to memory of 4348	2204	omsecor.exe	107
PID 2204 wrote to memory of 4348	2204	omsecor.exe	107
PID 4348 wrote to memory of 1928	4348	omsecor.exe	108
PID 4348 wrote to memory of 1928	4348	omsecor.exe	108
PID 4348 wrote to memory of 1928	4348	omsecor.exe	108
PID 4348 wrote to memory of 1928	4348	omsecor.exe	108
PID 4348 wrote to memory of 1928	4348	omsecor.exe	108
PID 1928 wrote to memory of 3512	1928	omsecor.exe	110
PID 1928 wrote to memory of 3512	1928	omsecor.exe	110
PID 1928 wrote to memory of 3512	1928	omsecor.exe	110
PID 3512 wrote to memory of 2940	3512	omsecor.exe	112
PID 3512 wrote to memory of 2940	3512	omsecor.exe	112
PID 3512 wrote to memory of 2940	3512	omsecor.exe	112
PID 3512 wrote to memory of 2940	3512	omsecor.exe	112
PID 3512 wrote to memory of 2940	3512	omsecor.exe	112

C:\Users\Admin\AppData\Local\Temp\bd462c8dcee8afb7bf8e0fc17cff9e4b431bf5f7219e38fa3f4357200207863e.exe
"C:\Users\Admin\AppData\Local\Temp\bd462c8dcee8afb7bf8e0fc17cff9e4b431bf5f7219e38fa3f4357200207863e.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4052
- C:\Users\Admin\AppData\Local\Temp\bd462c8dcee8afb7bf8e0fc17cff9e4b431bf5f7219e38fa3f4357200207863e.exe
  C:\Users\Admin\AppData\Local\Temp\bd462c8dcee8afb7bf8e0fc17cff9e4b431bf5f7219e38fa3f4357200207863e.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1552
- - 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:2264
  - - 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:4348
      - 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:1928
        
        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:3512
        
        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:2940
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3512 -s 256
        8⤵
        Program crash
        
        PID:1868
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4348 -s 296
        6⤵
        Program crash
        
        PID:748
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2264 -s 300
      4⤵
      Program crash
      PID:748
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4052 -s 300
  2⤵
  - Program crash
  PID:4808

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4052 -ip 4052
1⤵
PID:1232

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2264 -ip 2264
1⤵
PID:2984

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4348 -ip 4348
1⤵
PID:3908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3512 -ip 3512
1⤵
PID:4808

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

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Downloads

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

Filesize
96KB

MD5
e0386f235e317cf375cfcaf2609ddfce

SHA1
62c578aa55baaaca5a542db7d3af354222feec84

SHA256
604e58519b07f554254264b2331bd79af5c5fbe7b62244ee28a67131490e4298

SHA512
2729da3f238ee978d908f4265b099d67efd67f85c71a86bdf6acacba72a2e09ec69684ef71261b383710e7071dda79273cf35b98d5f09ebc103523ee6919ab65

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

Filesize
96KB

MD5
1877fee05d1d7194a2b666097bed2003

SHA1
c1e16075caa495602758216adeee5a4a59d782d8

SHA256
36140d63698d9294fb0f1663a370e0b3b5627ae6357a6f43fb2d914394a48823

SHA512
ecd404c1e3798c86ad7a52ce2d1a9bf9bf688f13655caf7e9832c4083f32e10f0d430785b6b5afbc83060fa370822e75f073d7b19739dbea3f007181395d7d7f

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

Filesize
96KB

MD5
6929647e137fbc68a5583bde0837d658

SHA1
72c2f4dd6bf34687985fcb9dd8f75cf66a6a6529

SHA256
a5eca2ac9d815f7af1073e0909d38ca2ff22b240f4941ae46bcb13e46397b57f

SHA512
bf3243506d23b315eadc40ad5c7988947b24fc748e3b4ae4a726057b79df439d99e192d2b705e564cd22798dc243d16f3dcaa73bdd2e0b5efe37bb2739be11f6

Download Submit
memory/1552-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1552-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1552-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1552-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1928-35-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1928-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1928-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

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

Filesize
164KB

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

Filesize
164KB

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

Filesize
164KB

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

Filesize
164KB

Download
memory/2204-28-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

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

Filesize
164KB

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

Filesize
164KB

Download
memory/2264-11-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2940-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2940-47-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2940-51-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3512-43-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4052-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4052-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4348-32-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4348-50-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download