neconyd | c900f2a4119484877f293c23124cb8766f6015a2f0afa2616af5230ce1bc91df

Analysis

max time kernel
115s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
01-02-2025 13:12

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General

Target

c900f2a4119484877f293c23124cb8766f6015a2f0afa2616af5230ce1bc91df.exe
Size

96KB
MD5

640036c324b6763e3397bdc9d5065426
SHA1

cb5ef36508ef3ecd646a80375141bc7379677a7e
SHA256

c900f2a4119484877f293c23124cb8766f6015a2f0afa2616af5230ce1bc91df
SHA512

e75a5e9d79d5df89f113a4d2ac5fba0d16dc201944e4dd0a6d440f4b569512dad11eaf57382569691aa307e8d85ce4acaf67c379a8524f20aa0ff319ee06cc35
SSDEEP

1536:MnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxp:MGs8cd8eXlYairZYqMddH13p

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
2148	omsecor.exe
812	omsecor.exe
1596	omsecor.exe
4864	omsecor.exe
2448	omsecor.exe
4964	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 4776 set thread context of 2312	4776	c900f2a4119484877f293c23124cb8766f6015a2f0afa2616af5230ce1bc91df.exe	85
PID 2148 set thread context of 812	2148	omsecor.exe	90
PID 1596 set thread context of 4864	1596	omsecor.exe	99
PID 2448 set thread context of 4964	2448	omsecor.exe	103

Program crash 4 IoCs

pid	pid_target	Process	procid_target
1600	4776	WerFault.exe	84
2016	2148	WerFault.exe	88
4168	1596	WerFault.exe	98
1832	2448	WerFault.exe	101

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	c900f2a4119484877f293c23124cb8766f6015a2f0afa2616af5230ce1bc91df.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c900f2a4119484877f293c23124cb8766f6015a2f0afa2616af5230ce1bc91df.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 4776 wrote to memory of 2312	4776	c900f2a4119484877f293c23124cb8766f6015a2f0afa2616af5230ce1bc91df.exe	85
PID 4776 wrote to memory of 2312	4776	c900f2a4119484877f293c23124cb8766f6015a2f0afa2616af5230ce1bc91df.exe	85
PID 4776 wrote to memory of 2312	4776	c900f2a4119484877f293c23124cb8766f6015a2f0afa2616af5230ce1bc91df.exe	85
PID 4776 wrote to memory of 2312	4776	c900f2a4119484877f293c23124cb8766f6015a2f0afa2616af5230ce1bc91df.exe	85
PID 4776 wrote to memory of 2312	4776	c900f2a4119484877f293c23124cb8766f6015a2f0afa2616af5230ce1bc91df.exe	85
PID 2312 wrote to memory of 2148	2312	c900f2a4119484877f293c23124cb8766f6015a2f0afa2616af5230ce1bc91df.exe	88
PID 2312 wrote to memory of 2148	2312	c900f2a4119484877f293c23124cb8766f6015a2f0afa2616af5230ce1bc91df.exe	88
PID 2312 wrote to memory of 2148	2312	c900f2a4119484877f293c23124cb8766f6015a2f0afa2616af5230ce1bc91df.exe	88
PID 2148 wrote to memory of 812	2148	omsecor.exe	90
PID 2148 wrote to memory of 812	2148	omsecor.exe	90
PID 2148 wrote to memory of 812	2148	omsecor.exe	90
PID 2148 wrote to memory of 812	2148	omsecor.exe	90
PID 2148 wrote to memory of 812	2148	omsecor.exe	90
PID 812 wrote to memory of 1596	812	omsecor.exe	98
PID 812 wrote to memory of 1596	812	omsecor.exe	98
PID 812 wrote to memory of 1596	812	omsecor.exe	98
PID 1596 wrote to memory of 4864	1596	omsecor.exe	99
PID 1596 wrote to memory of 4864	1596	omsecor.exe	99
PID 1596 wrote to memory of 4864	1596	omsecor.exe	99
PID 1596 wrote to memory of 4864	1596	omsecor.exe	99
PID 1596 wrote to memory of 4864	1596	omsecor.exe	99
PID 4864 wrote to memory of 2448	4864	omsecor.exe	101
PID 4864 wrote to memory of 2448	4864	omsecor.exe	101
PID 4864 wrote to memory of 2448	4864	omsecor.exe	101
PID 2448 wrote to memory of 4964	2448	omsecor.exe	103
PID 2448 wrote to memory of 4964	2448	omsecor.exe	103
PID 2448 wrote to memory of 4964	2448	omsecor.exe	103
PID 2448 wrote to memory of 4964	2448	omsecor.exe	103
PID 2448 wrote to memory of 4964	2448	omsecor.exe	103

C:\Users\Admin\AppData\Local\Temp\c900f2a4119484877f293c23124cb8766f6015a2f0afa2616af5230ce1bc91df.exe
"C:\Users\Admin\AppData\Local\Temp\c900f2a4119484877f293c23124cb8766f6015a2f0afa2616af5230ce1bc91df.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4776
- C:\Users\Admin\AppData\Local\Temp\c900f2a4119484877f293c23124cb8766f6015a2f0afa2616af5230ce1bc91df.exe
  C:\Users\Admin\AppData\Local\Temp\c900f2a4119484877f293c23124cb8766f6015a2f0afa2616af5230ce1bc91df.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2312
- - 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:2148
  - - 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:812
    - - 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:1596
      - 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:4864
        
        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:2448
        
        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:4964
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 260
        8⤵
        Program crash
        
        PID:1832
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1596 -s 292
        6⤵
        Program crash
        
        PID:4168
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2148 -s 288
      4⤵
      Program crash
      PID:2016
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4776 -s 288
  2⤵
  - Program crash
  PID:1600

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4776 -ip 4776
1⤵
PID:2904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2148 -ip 2148
1⤵
PID:5088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1596 -ip 1596
1⤵
PID:1412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2448 -ip 2448
1⤵
PID:4848

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
d23cb2f7260109f1ba0fb6a0c421036e

SHA1
cbe67a2dcb3dd4f7d65d1f35500de8b2bbdc7f8b

SHA256
8b365b619bcbb897cafb1c5eeb4ef9b5db811f4d102b44f613812c3f4e7892c2

SHA512
4214744bd82f9185238f82e79cfc0430e794d587b2e7093a2ac9b114cb8af60c229bb8aead6d2f12f8def54baa7c6ba353640a8b16f924a86929c729c8e69d2b

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

Filesize
96KB

MD5
396dcf79429d24a795687d8bc6bbf3d3

SHA1
822b4e76c6b1d67998a2846d8d9f0f8a3e898905

SHA256
03333317fec29ef3fa3de254256eaad62365ce7b7fa044eb367a9448eabb8fd1

SHA512
96133042e16ff9b2716e878330aa587e64429fec78e0150fa7edd9ed3c1fea02f3bc6afe761b13f412e579dde65d8971b846323e8bcaae8961dafaf11aef6578

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

Filesize
96KB

MD5
ea7d52c40b23c2c8cbabfee3f14050b7

SHA1
573abbe289d9b7f8512624b6abba91ddcd94fad0

SHA256
25d53ffca18dc1d793fcd7843a489fdb84b2e1b0391b75987d3e070399122139

SHA512
c6b80132c476bb957b74b7b70f7c1423f735b31eb89818eb1d351a0662b28b61e84f78a3988e76b0c5ae43613d2b076f1ff2258766950aa946537ba849a8b6a3

Download Submit
memory/812-23-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/812-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/812-34-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/812-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/812-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/812-27-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/812-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1596-35-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2148-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2148-10-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2312-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2312-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2312-6-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2312-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2448-54-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2448-45-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4776-19-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

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

Filesize
140KB

Download
memory/4864-41-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4864-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4864-39-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4964-51-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4964-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4964-55-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download