neconyd | 18950759b4044717a5c028ff457af1eb524556aa634a52a1014c386458486842

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
23/01/2025, 21:08

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General

Target

18950759b4044717a5c028ff457af1eb524556aa634a52a1014c386458486842.exe
Size

96KB
MD5

b3713e03f5213be6bdd7366e5961730c
SHA1

9e4087a0ba8e77c162201bd559b400ad520ef3ed
SHA256

18950759b4044717a5c028ff457af1eb524556aa634a52a1014c386458486842
SHA512

15faab5cd6251d5dcb0454fd5251643c9d71f6e3b472e0db318da7b11229d13cb8cdf620d8fb2851bc62fc0db5fe018f3574a0cc0fc15fd7ef0884f96eeda109
SSDEEP

1536:rnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxz:rGs8cd8eXlYairZYqMddH13z

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
4636	omsecor.exe
4520	omsecor.exe
5092	omsecor.exe
4804	omsecor.exe
4208	omsecor.exe
1964	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 1548 set thread context of 4500	1548	18950759b4044717a5c028ff457af1eb524556aa634a52a1014c386458486842.exe	83
PID 4636 set thread context of 4520	4636	omsecor.exe	88
PID 5092 set thread context of 4804	5092	omsecor.exe	108
PID 4208 set thread context of 1964	4208	omsecor.exe	111

Program crash 4 IoCs

pid	pid_target	Process	procid_target
4744	1548	WerFault.exe	82
780	4636	WerFault.exe	85
3476	5092	WerFault.exe	107
2884	4208	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	18950759b4044717a5c028ff457af1eb524556aa634a52a1014c386458486842.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	18950759b4044717a5c028ff457af1eb524556aa634a52a1014c386458486842.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 1548 wrote to memory of 4500	1548	18950759b4044717a5c028ff457af1eb524556aa634a52a1014c386458486842.exe	83
PID 1548 wrote to memory of 4500	1548	18950759b4044717a5c028ff457af1eb524556aa634a52a1014c386458486842.exe	83
PID 1548 wrote to memory of 4500	1548	18950759b4044717a5c028ff457af1eb524556aa634a52a1014c386458486842.exe	83
PID 1548 wrote to memory of 4500	1548	18950759b4044717a5c028ff457af1eb524556aa634a52a1014c386458486842.exe	83
PID 1548 wrote to memory of 4500	1548	18950759b4044717a5c028ff457af1eb524556aa634a52a1014c386458486842.exe	83
PID 4500 wrote to memory of 4636	4500	18950759b4044717a5c028ff457af1eb524556aa634a52a1014c386458486842.exe	85
PID 4500 wrote to memory of 4636	4500	18950759b4044717a5c028ff457af1eb524556aa634a52a1014c386458486842.exe	85
PID 4500 wrote to memory of 4636	4500	18950759b4044717a5c028ff457af1eb524556aa634a52a1014c386458486842.exe	85
PID 4636 wrote to memory of 4520	4636	omsecor.exe	88
PID 4636 wrote to memory of 4520	4636	omsecor.exe	88
PID 4636 wrote to memory of 4520	4636	omsecor.exe	88
PID 4636 wrote to memory of 4520	4636	omsecor.exe	88
PID 4636 wrote to memory of 4520	4636	omsecor.exe	88
PID 4520 wrote to memory of 5092	4520	omsecor.exe	107
PID 4520 wrote to memory of 5092	4520	omsecor.exe	107
PID 4520 wrote to memory of 5092	4520	omsecor.exe	107
PID 5092 wrote to memory of 4804	5092	omsecor.exe	108
PID 5092 wrote to memory of 4804	5092	omsecor.exe	108
PID 5092 wrote to memory of 4804	5092	omsecor.exe	108
PID 5092 wrote to memory of 4804	5092	omsecor.exe	108
PID 5092 wrote to memory of 4804	5092	omsecor.exe	108
PID 4804 wrote to memory of 4208	4804	omsecor.exe	110
PID 4804 wrote to memory of 4208	4804	omsecor.exe	110
PID 4804 wrote to memory of 4208	4804	omsecor.exe	110
PID 4208 wrote to memory of 1964	4208	omsecor.exe	111
PID 4208 wrote to memory of 1964	4208	omsecor.exe	111
PID 4208 wrote to memory of 1964	4208	omsecor.exe	111
PID 4208 wrote to memory of 1964	4208	omsecor.exe	111
PID 4208 wrote to memory of 1964	4208	omsecor.exe	111

C:\Users\Admin\AppData\Local\Temp\18950759b4044717a5c028ff457af1eb524556aa634a52a1014c386458486842.exe
"C:\Users\Admin\AppData\Local\Temp\18950759b4044717a5c028ff457af1eb524556aa634a52a1014c386458486842.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1548
- C:\Users\Admin\AppData\Local\Temp\18950759b4044717a5c028ff457af1eb524556aa634a52a1014c386458486842.exe
  C:\Users\Admin\AppData\Local\Temp\18950759b4044717a5c028ff457af1eb524556aa634a52a1014c386458486842.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4500
- - 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:4636
  - - 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:4520
    - - 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:5092
      - 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:4804
        
        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:4208
        
        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:1964
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4208 -s 256
        8⤵
        Program crash
        
        PID:2884
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 5092 -s 292
        6⤵
        Program crash
        
        PID:3476
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4636 -s 288
      4⤵
      Program crash
      PID:780
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1548 -s 288
  2⤵
  - Program crash
  PID:4744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1548 -ip 1548
1⤵
PID:3948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4636 -ip 4636
1⤵
PID:1376

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5092 -ip 5092
1⤵
PID:2352

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4208 -ip 4208
1⤵
PID:4284

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
84cf20a5260621e56fe134c6ea12238a

SHA1
f14dc943baf0f89e0b3ffe49eb743d4d5041922c

SHA256
488da3e8da00ea033d695ad99164aff0b61d118a695d03601e6b1d1f54b79ff8

SHA512
b936d60883c2c1cdfca41b5f7225ecdcc90c1ef93f0c7499653d23d63f9978070842d382d06c5e02ec2a09122f0f7fc108ccdde16cd1771d7607a98c8a1ee0a7

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

Filesize
96KB

MD5
3dc705843b8a411cf70ae4498fccdb74

SHA1
49d7acf95bc90b22e07a464ba1fbb5e9289b6ffc

SHA256
a12d69cc9ada4ce3b4deb3ea21ffbae3e1abd1955ebe48a6aa1237cc2342a485

SHA512
eca1bd9743e51252d2087bd9bdb7380806a3f4552f072d6d978fceff164b20ef3c882d0b45f91ac45ad2395d62c13424ea0e54d278eae2ceabaaa5d41bb2b253

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

Filesize
96KB

MD5
72288fd6bd4ff0bea148afcb0cbfd7a4

SHA1
b494a8c33a1bef2d89f146adcf2748aee1548f27

SHA256
1f5716fcc43857b855eb0ff3b7d158645d64a70162b1054bc0c85e4d9d5646c8

SHA512
33b1a95b65d43559718e5505aaa5755f64e6afdc2a5cbbb97f03180191d8a1616cc45957a68268ffa6d0787bec8244f6ef271a437f749fdc275e7592fad29f6d

Download Submit
memory/1548-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1548-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1964-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1964-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1964-54-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4208-44-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4500-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4500-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4500-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4500-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4520-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4520-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4520-22-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4520-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4520-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4520-30-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4520-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4636-8-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4636-18-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4804-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4804-42-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4804-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5092-32-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/5092-53-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download