neconyd | a2a9bc05a17f1cdce623b4003140876adccd3b7168b83b8ea9865ed792b74b1c

Analysis

max time kernel
115s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-12-2024 12:52

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General

Target

a2a9bc05a17f1cdce623b4003140876adccd3b7168b83b8ea9865ed792b74b1cN.exe
Size

96KB
MD5

29807b887ed6d3269d66270ffe028030
SHA1

2f02bbff135c5a402618b7c25f377f7bd7ceca3e
SHA256

a2a9bc05a17f1cdce623b4003140876adccd3b7168b83b8ea9865ed792b74b1c
SHA512

9187b1944d2e8a92610519acb62e58eb693b04d346e29e8875c7155230e81abbd84189c7f59275b177208ba97ac84ad20ee55672dc015cf6fd40a92da6673db0
SSDEEP

1536:WnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxr:WGs8cd8eXlYairZYqMddH13r

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
1000	omsecor.exe
2144	omsecor.exe
2696	omsecor.exe
4508	omsecor.exe
4040	omsecor.exe
3472	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 4224 set thread context of 4192	4224	a2a9bc05a17f1cdce623b4003140876adccd3b7168b83b8ea9865ed792b74b1cN.exe	83
PID 1000 set thread context of 2144	1000	omsecor.exe	87
PID 2696 set thread context of 4508	2696	omsecor.exe	109
PID 4040 set thread context of 3472	4040	omsecor.exe	113

Program crash 4 IoCs

pid	pid_target	Process	procid_target
4908	4224	WerFault.exe	82
1452	1000	WerFault.exe	85
3140	2696	WerFault.exe	108
1584	4040	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	a2a9bc05a17f1cdce623b4003140876adccd3b7168b83b8ea9865ed792b74b1cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a2a9bc05a17f1cdce623b4003140876adccd3b7168b83b8ea9865ed792b74b1cN.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

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 4224 wrote to memory of 4192	4224	a2a9bc05a17f1cdce623b4003140876adccd3b7168b83b8ea9865ed792b74b1cN.exe	83
PID 4224 wrote to memory of 4192	4224	a2a9bc05a17f1cdce623b4003140876adccd3b7168b83b8ea9865ed792b74b1cN.exe	83
PID 4224 wrote to memory of 4192	4224	a2a9bc05a17f1cdce623b4003140876adccd3b7168b83b8ea9865ed792b74b1cN.exe	83
PID 4224 wrote to memory of 4192	4224	a2a9bc05a17f1cdce623b4003140876adccd3b7168b83b8ea9865ed792b74b1cN.exe	83
PID 4224 wrote to memory of 4192	4224	a2a9bc05a17f1cdce623b4003140876adccd3b7168b83b8ea9865ed792b74b1cN.exe	83
PID 4192 wrote to memory of 1000	4192	a2a9bc05a17f1cdce623b4003140876adccd3b7168b83b8ea9865ed792b74b1cN.exe	85
PID 4192 wrote to memory of 1000	4192	a2a9bc05a17f1cdce623b4003140876adccd3b7168b83b8ea9865ed792b74b1cN.exe	85
PID 4192 wrote to memory of 1000	4192	a2a9bc05a17f1cdce623b4003140876adccd3b7168b83b8ea9865ed792b74b1cN.exe	85
PID 1000 wrote to memory of 2144	1000	omsecor.exe	87
PID 1000 wrote to memory of 2144	1000	omsecor.exe	87
PID 1000 wrote to memory of 2144	1000	omsecor.exe	87
PID 1000 wrote to memory of 2144	1000	omsecor.exe	87
PID 1000 wrote to memory of 2144	1000	omsecor.exe	87
PID 2144 wrote to memory of 2696	2144	omsecor.exe	108
PID 2144 wrote to memory of 2696	2144	omsecor.exe	108
PID 2144 wrote to memory of 2696	2144	omsecor.exe	108
PID 2696 wrote to memory of 4508	2696	omsecor.exe	109
PID 2696 wrote to memory of 4508	2696	omsecor.exe	109
PID 2696 wrote to memory of 4508	2696	omsecor.exe	109
PID 2696 wrote to memory of 4508	2696	omsecor.exe	109
PID 2696 wrote to memory of 4508	2696	omsecor.exe	109
PID 4508 wrote to memory of 4040	4508	omsecor.exe	111
PID 4508 wrote to memory of 4040	4508	omsecor.exe	111
PID 4508 wrote to memory of 4040	4508	omsecor.exe	111
PID 4040 wrote to memory of 3472	4040	omsecor.exe	113
PID 4040 wrote to memory of 3472	4040	omsecor.exe	113
PID 4040 wrote to memory of 3472	4040	omsecor.exe	113
PID 4040 wrote to memory of 3472	4040	omsecor.exe	113
PID 4040 wrote to memory of 3472	4040	omsecor.exe	113

C:\Users\Admin\AppData\Local\Temp\a2a9bc05a17f1cdce623b4003140876adccd3b7168b83b8ea9865ed792b74b1cN.exe
"C:\Users\Admin\AppData\Local\Temp\a2a9bc05a17f1cdce623b4003140876adccd3b7168b83b8ea9865ed792b74b1cN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4224
- C:\Users\Admin\AppData\Local\Temp\a2a9bc05a17f1cdce623b4003140876adccd3b7168b83b8ea9865ed792b74b1cN.exe
  C:\Users\Admin\AppData\Local\Temp\a2a9bc05a17f1cdce623b4003140876adccd3b7168b83b8ea9865ed792b74b1cN.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4192
- - 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:1000
  - - 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:2144
    - - 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:2696
      - 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:4508
        
        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:4040
        
        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:3472
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4040 -s 256
        8⤵
        Program crash
        
        PID:1584
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2696 -s 292
        6⤵
        Program crash
        
        PID:3140
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1000 -s 288
      4⤵
      Program crash
      PID:1452
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4224 -s 288
  2⤵
  - Program crash
  PID:4908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4224 -ip 4224
1⤵
PID:3684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1000 -ip 1000
1⤵
PID:3536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 2696 -ip 2696
1⤵
PID:1736

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 4040 -ip 4040
1⤵
PID:4908

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
2e416a0203ea011e2dffd7231463c8bf

SHA1
5669ff9039ffb9bbedab3bcc44c84bfbaaf67255

SHA256
797826c2cf882c16802e7156fc84d8c60756c120a83a7789321421a3a2f0da55

SHA512
28f20080ae7560319bf314c3a1364d3fbb6888f302e1522cc79818da853247bbe9217752072a6242ef6c7cbe02adc24768faa6bbf0b76ba1b886856a31cb8238

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

Filesize
96KB

MD5
f8c33d7af451a837c5dd559389f9b849

SHA1
096dcfa7040b4fc3c40ac66d95de5ed3ab3d363b

SHA256
6b16646e824197e8da9d53fb38247e1e5110a6089e99a8f8648a8ba1549e5016

SHA512
8360c447abe9e9d57e1b77494151d112ad160c63d2929bfd8e854380c8f25870c853038d7a5ba814389f10a3e4f37c177fa393c7894de05a33e6d4166e37f374

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

Filesize
96KB

MD5
960f76fb0c1672cae1828127330900e1

SHA1
4b68c8dfbae1df9b99c9989f7d49ac53cc891ca0

SHA256
db541a57c75cdfe4367f44084c1bd04db0fb912468b4b8dac02b52dd41926612

SHA512
5ccdd210d8a62f4e08ddd078d105ecd031ca32ed983f726d46c1b4ca3a04264cbc9cdb0bec77d788da70331a99489b8956d92271f294cf08a17a1a71b909678a

Download Submit
memory/1000-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1000-9-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2144-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2144-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2144-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2144-23-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2144-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2144-27-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2144-30-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2696-34-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3472-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3472-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3472-54-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4040-53-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4040-45-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4192-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4192-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4192-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4192-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4224-18-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4224-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4508-43-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4508-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4508-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download