neconyd | 40a4b0aa4c555c3e71800aba99d22e7d4ae98af226973f398b41f18c4cdf049f

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
04-12-2024 05:37

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General

Target

40a4b0aa4c555c3e71800aba99d22e7d4ae98af226973f398b41f18c4cdf049f.exe
Size

96KB
MD5

88de9c6897937c35255ac10b6bac4a66
SHA1

ad5b907ac354bbbae4bd1ea9b880a1e90470e172
SHA256

40a4b0aa4c555c3e71800aba99d22e7d4ae98af226973f398b41f18c4cdf049f
SHA512

ccb8b91c545641b5da431fad701e3923fd6a4f85b569cbe26f6aefa3a2ebfcf3d90dc0ddaa2a8a5cc0eb4cbfcb47104b3b6150b27dbef418eee405a7619c9bc6
SSDEEP

1536:hnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxB:hGs8cd8eXlYairZYqMddH13B

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
4400	omsecor.exe
3168	omsecor.exe
2828	omsecor.exe
4032	omsecor.exe
4776	omsecor.exe
4872	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 2780 set thread context of 2848	2780	40a4b0aa4c555c3e71800aba99d22e7d4ae98af226973f398b41f18c4cdf049f.exe	83
PID 4400 set thread context of 3168	4400	omsecor.exe	88
PID 2828 set thread context of 4032	2828	omsecor.exe	109
PID 4776 set thread context of 4872	4776	omsecor.exe	113

Program crash 4 IoCs

pid	pid_target	Process	procid_target
4048	2780	WerFault.exe	82
744	4400	WerFault.exe	85
628	2828	WerFault.exe	108
804	4776	WerFault.exe	111

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	40a4b0aa4c555c3e71800aba99d22e7d4ae98af226973f398b41f18c4cdf049f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	40a4b0aa4c555c3e71800aba99d22e7d4ae98af226973f398b41f18c4cdf049f.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 2780 wrote to memory of 2848	2780	40a4b0aa4c555c3e71800aba99d22e7d4ae98af226973f398b41f18c4cdf049f.exe	83
PID 2780 wrote to memory of 2848	2780	40a4b0aa4c555c3e71800aba99d22e7d4ae98af226973f398b41f18c4cdf049f.exe	83
PID 2780 wrote to memory of 2848	2780	40a4b0aa4c555c3e71800aba99d22e7d4ae98af226973f398b41f18c4cdf049f.exe	83
PID 2780 wrote to memory of 2848	2780	40a4b0aa4c555c3e71800aba99d22e7d4ae98af226973f398b41f18c4cdf049f.exe	83
PID 2780 wrote to memory of 2848	2780	40a4b0aa4c555c3e71800aba99d22e7d4ae98af226973f398b41f18c4cdf049f.exe	83
PID 2848 wrote to memory of 4400	2848	40a4b0aa4c555c3e71800aba99d22e7d4ae98af226973f398b41f18c4cdf049f.exe	85
PID 2848 wrote to memory of 4400	2848	40a4b0aa4c555c3e71800aba99d22e7d4ae98af226973f398b41f18c4cdf049f.exe	85
PID 2848 wrote to memory of 4400	2848	40a4b0aa4c555c3e71800aba99d22e7d4ae98af226973f398b41f18c4cdf049f.exe	85
PID 4400 wrote to memory of 3168	4400	omsecor.exe	88
PID 4400 wrote to memory of 3168	4400	omsecor.exe	88
PID 4400 wrote to memory of 3168	4400	omsecor.exe	88
PID 4400 wrote to memory of 3168	4400	omsecor.exe	88
PID 4400 wrote to memory of 3168	4400	omsecor.exe	88
PID 3168 wrote to memory of 2828	3168	omsecor.exe	108
PID 3168 wrote to memory of 2828	3168	omsecor.exe	108
PID 3168 wrote to memory of 2828	3168	omsecor.exe	108
PID 2828 wrote to memory of 4032	2828	omsecor.exe	109
PID 2828 wrote to memory of 4032	2828	omsecor.exe	109
PID 2828 wrote to memory of 4032	2828	omsecor.exe	109
PID 2828 wrote to memory of 4032	2828	omsecor.exe	109
PID 2828 wrote to memory of 4032	2828	omsecor.exe	109
PID 4032 wrote to memory of 4776	4032	omsecor.exe	111
PID 4032 wrote to memory of 4776	4032	omsecor.exe	111
PID 4032 wrote to memory of 4776	4032	omsecor.exe	111
PID 4776 wrote to memory of 4872	4776	omsecor.exe	113
PID 4776 wrote to memory of 4872	4776	omsecor.exe	113
PID 4776 wrote to memory of 4872	4776	omsecor.exe	113
PID 4776 wrote to memory of 4872	4776	omsecor.exe	113
PID 4776 wrote to memory of 4872	4776	omsecor.exe	113

C:\Users\Admin\AppData\Local\Temp\40a4b0aa4c555c3e71800aba99d22e7d4ae98af226973f398b41f18c4cdf049f.exe
"C:\Users\Admin\AppData\Local\Temp\40a4b0aa4c555c3e71800aba99d22e7d4ae98af226973f398b41f18c4cdf049f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2780
- C:\Users\Admin\AppData\Local\Temp\40a4b0aa4c555c3e71800aba99d22e7d4ae98af226973f398b41f18c4cdf049f.exe
  C:\Users\Admin\AppData\Local\Temp\40a4b0aa4c555c3e71800aba99d22e7d4ae98af226973f398b41f18c4cdf049f.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2848
- - 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:4400
  - - 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:3168
    - - 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:2828
      - 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:4032
        
        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:4776
        
        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:4872
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4776 -s 256
        8⤵
        Program crash
        
        PID:804
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2828 -s 292
        6⤵
        Program crash
        
        PID:628
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4400 -s 292
      4⤵
      Program crash
      PID:744
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2780 -s 288
  2⤵
  - Program crash
  PID:4048

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2780 -ip 2780
1⤵
PID:4188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4400 -ip 4400
1⤵
PID:4268

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2828 -ip 2828
1⤵
PID:1220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4776 -ip 4776
1⤵
PID:3884

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
7e4c98be442c63977394ec32de6e8c92

SHA1
59c419085fd0e62c1d8aa03d6307fb54be90a51f

SHA256
290d1627b7f01b3a7c30862fa38375408d47d3dbbbfd2480b0a3276fef0df093

SHA512
2cb3395fa54a3718268c8015e6104a6ea5343185e929da8b8d1e8b214d56f962de7453634e012494f6222e5bafc37c72423e3f52bca3a2dfa238079bcc3b5ac6

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

Filesize
96KB

MD5
6f6623357b718ea9224d15a761f8ab21

SHA1
6496075f9cd639d1962b1c18266dfcc1d0841244

SHA256
712046f2e93f4b5d25323e8795b75b4d0cf6df30c7601a5a1b660732689755e5

SHA512
9d44f90cf22e930747c446eb3a275fd772370048c76feccf8a7db965fcdbbdfd9a1d9986a965b3212a31ee050f41a75231c9331ea739881bb212d17e9ef2e682

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

Filesize
96KB

MD5
6584d4851b3d89464ba14f2f09d11074

SHA1
1954546ac2e4aea5e38df7d9666301b52ebc6405

SHA256
b6b6603d7e62acd7119e11a20203411e3531d8312a51cf201e0e263bdf921e81

SHA512
ff77606d9567d5d894c31cba604c00e1a2cce89a901bd7a26e588a836cfb5ac57c8e8b9bed9196f319c6861dc124ca273afcc6cf8f0583454011452bb454f229

Download Submit
memory/2780-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2780-19-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2828-52-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2828-33-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2848-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2848-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2848-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2848-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3168-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3168-23-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3168-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3168-27-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3168-30-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3168-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3168-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4032-40-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4032-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4032-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4400-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4400-10-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4776-44-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4872-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4872-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4872-54-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download