neconyd | c3b44afca040e0f46e23246d0bcc9bb809dd9801efdf4fe959e0b0d6859d65c1

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
31-12-2024 12:05

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General

Target

c3b44afca040e0f46e23246d0bcc9bb809dd9801efdf4fe959e0b0d6859d65c1N.exe
Size

96KB
MD5

e3c633e3a73e66f06a4191e7412c3bf0
SHA1

32f994aef5edacda4cc4a54b86e0787415e53461
SHA256

c3b44afca040e0f46e23246d0bcc9bb809dd9801efdf4fe959e0b0d6859d65c1
SHA512

4800b7fcc0bf6fbe2546ee3c58899112b79909e52efb480ab93377093f1422a401c6c8e86fb68b15c8ff28c3b2188e4cf229e4b5887a1a4a2b5d17cba992e476
SSDEEP

1536:7nAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxL:7Gs8cd8eXlYairZYqMddH13L

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
2256	omsecor.exe
420	omsecor.exe
3840	omsecor.exe
2544	omsecor.exe
2896	omsecor.exe
2244	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 2716 set thread context of 2900	2716	c3b44afca040e0f46e23246d0bcc9bb809dd9801efdf4fe959e0b0d6859d65c1N.exe	83
PID 2256 set thread context of 420	2256	omsecor.exe	88
PID 3840 set thread context of 2544	3840	omsecor.exe	101
PID 2896 set thread context of 2244	2896	omsecor.exe	104

Program crash 4 IoCs

pid	pid_target	Process	procid_target
2532	2716	WerFault.exe	82
4940	2256	WerFault.exe	86
3716	3840	WerFault.exe	100
4520	2896	WerFault.exe	103

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	c3b44afca040e0f46e23246d0bcc9bb809dd9801efdf4fe959e0b0d6859d65c1N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c3b44afca040e0f46e23246d0bcc9bb809dd9801efdf4fe959e0b0d6859d65c1N.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2716 wrote to memory of 2900	2716	c3b44afca040e0f46e23246d0bcc9bb809dd9801efdf4fe959e0b0d6859d65c1N.exe	83
PID 2716 wrote to memory of 2900	2716	c3b44afca040e0f46e23246d0bcc9bb809dd9801efdf4fe959e0b0d6859d65c1N.exe	83
PID 2716 wrote to memory of 2900	2716	c3b44afca040e0f46e23246d0bcc9bb809dd9801efdf4fe959e0b0d6859d65c1N.exe	83
PID 2716 wrote to memory of 2900	2716	c3b44afca040e0f46e23246d0bcc9bb809dd9801efdf4fe959e0b0d6859d65c1N.exe	83
PID 2716 wrote to memory of 2900	2716	c3b44afca040e0f46e23246d0bcc9bb809dd9801efdf4fe959e0b0d6859d65c1N.exe	83
PID 2900 wrote to memory of 2256	2900	c3b44afca040e0f46e23246d0bcc9bb809dd9801efdf4fe959e0b0d6859d65c1N.exe	86
PID 2900 wrote to memory of 2256	2900	c3b44afca040e0f46e23246d0bcc9bb809dd9801efdf4fe959e0b0d6859d65c1N.exe	86
PID 2900 wrote to memory of 2256	2900	c3b44afca040e0f46e23246d0bcc9bb809dd9801efdf4fe959e0b0d6859d65c1N.exe	86
PID 2256 wrote to memory of 420	2256	omsecor.exe	88
PID 2256 wrote to memory of 420	2256	omsecor.exe	88
PID 2256 wrote to memory of 420	2256	omsecor.exe	88
PID 2256 wrote to memory of 420	2256	omsecor.exe	88
PID 2256 wrote to memory of 420	2256	omsecor.exe	88
PID 420 wrote to memory of 3840	420	omsecor.exe	100
PID 420 wrote to memory of 3840	420	omsecor.exe	100
PID 420 wrote to memory of 3840	420	omsecor.exe	100
PID 3840 wrote to memory of 2544	3840	omsecor.exe	101
PID 3840 wrote to memory of 2544	3840	omsecor.exe	101
PID 3840 wrote to memory of 2544	3840	omsecor.exe	101
PID 3840 wrote to memory of 2544	3840	omsecor.exe	101
PID 3840 wrote to memory of 2544	3840	omsecor.exe	101
PID 2544 wrote to memory of 2896	2544	omsecor.exe	103
PID 2544 wrote to memory of 2896	2544	omsecor.exe	103
PID 2544 wrote to memory of 2896	2544	omsecor.exe	103
PID 2896 wrote to memory of 2244	2896	omsecor.exe	104
PID 2896 wrote to memory of 2244	2896	omsecor.exe	104
PID 2896 wrote to memory of 2244	2896	omsecor.exe	104
PID 2896 wrote to memory of 2244	2896	omsecor.exe	104
PID 2896 wrote to memory of 2244	2896	omsecor.exe	104

C:\Users\Admin\AppData\Local\Temp\c3b44afca040e0f46e23246d0bcc9bb809dd9801efdf4fe959e0b0d6859d65c1N.exe
"C:\Users\Admin\AppData\Local\Temp\c3b44afca040e0f46e23246d0bcc9bb809dd9801efdf4fe959e0b0d6859d65c1N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2716
- C:\Users\Admin\AppData\Local\Temp\c3b44afca040e0f46e23246d0bcc9bb809dd9801efdf4fe959e0b0d6859d65c1N.exe
  C:\Users\Admin\AppData\Local\Temp\c3b44afca040e0f46e23246d0bcc9bb809dd9801efdf4fe959e0b0d6859d65c1N.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2900
- - 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:2256
  - - 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:420
    - - 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:3840
      - 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:2544
        
        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:2896
        
        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:2244
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2896 -s 256
        8⤵
        Program crash
        
        PID:4520
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3840 -s 292
        6⤵
        Program crash
        
        PID:3716
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2256 -s 292
      4⤵
      Program crash
      PID:4940
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2716 -s 288
  2⤵
  - Program crash
  PID:2532

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2716 -ip 2716
1⤵
PID:2312

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2256 -ip 2256
1⤵
PID:1512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 3840 -ip 3840
1⤵
PID:4168

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2896 -ip 2896
1⤵
PID:2848

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
4308fbaabd117a6f781824fc2887f32d

SHA1
7bc3b981bddc8665ee525208d59d6de843a77d8a

SHA256
bfbc33a1966f9c2ba2daa6a2fcd2b86d7f0f6fa9c2738f95b85becbca6a6c8fe

SHA512
b806f016046bedb88f9da606772b2767c02b60e095be3ef8828fc87b86fbdb9a8ad0d4a9cb33aa7b836c05ecb38194f259356f713ef845dbb308df62e4e10962

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

Filesize
96KB

MD5
2f302f500edee250920957482838a1dc

SHA1
e43fef95c39d303ade69a53c01918ff043a08987

SHA256
54b5ff8763932bc56faa588957a2adec0280f75849219943a0f38cac61ece5be

SHA512
a469f4668e752a054f863bf632a07ec7daf1ef62524b0eaf53409fd220d09b5d328bf7e40ed9d79cde49067ce2415574c1d71080e0f95cafac30fca1c2459f8f

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

Filesize
96KB

MD5
f3eca57d05dbfd48aa64674dcc565f31

SHA1
b9639cb9401ca9bb6d4b64be91f2e3ca7435ae21

SHA256
09ba5f6bf754933e3d0f9cfbf17eee6cb1928cf9a154fce7dfd927595869537b

SHA512
918c129df30f4cbd9cee1828c8a73d1faeb45e4ab2f4d799b799c20a4027988350dbf3f065c9bf1124be2fe19178e3b8f0763abee43f0ca72273899d29abcaa6

Download Submit
memory/420-34-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/420-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/420-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/420-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/420-27-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/420-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/420-23-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2244-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2244-51-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2244-55-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2256-10-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2256-19-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2544-39-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2544-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2544-41-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2716-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2716-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2896-46-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2900-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2900-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2900-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2900-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3840-35-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3840-53-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download