neconyd | fcc463783421288a64d9504a5da80ff3f19d7dc994b35311403fe33cac412c9d

Analysis

max time kernel
115s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
25/02/2025, 00:44

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

fcc463783421288a64d9504a5da80ff3f19d7dc994b35311403fe33cac412c9d.exe
Size

96KB
MD5

fae8a07b6d4983746602b7ec8082db35
SHA1

200702a5331d4c705f69621105e7e6170e47d046
SHA256

fcc463783421288a64d9504a5da80ff3f19d7dc994b35311403fe33cac412c9d
SHA512

a9c8a9183cdafeae5e96db5bcca2b9f7b7135dbb6e0f2efb2c1e7dffee8dc5d3e7a6933d4f9846066ada01169d04622a9d9537c6148e7c823ac339a1e6e7a260
SSDEEP

1536:OnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxD:OGs8cd8eXlYairZYqMddH13D

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
1008	omsecor.exe
1504	omsecor.exe
3908	omsecor.exe
640	omsecor.exe
4616	omsecor.exe
4044	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 3672 set thread context of 1720	3672	fcc463783421288a64d9504a5da80ff3f19d7dc994b35311403fe33cac412c9d.exe	84
PID 1008 set thread context of 1504	1008	omsecor.exe	90
PID 3908 set thread context of 640	3908	omsecor.exe	116
PID 4616 set thread context of 4044	4616	omsecor.exe	120

Program crash 4 IoCs

pid	pid_target	Process	procid_target
3564	3672	WerFault.exe	83
1388	1008	WerFault.exe	88
3620	3908	WerFault.exe	115
396	4616	WerFault.exe	118

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	fcc463783421288a64d9504a5da80ff3f19d7dc994b35311403fe33cac412c9d.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	fcc463783421288a64d9504a5da80ff3f19d7dc994b35311403fe33cac412c9d.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 3672 wrote to memory of 1720	3672	fcc463783421288a64d9504a5da80ff3f19d7dc994b35311403fe33cac412c9d.exe	84
PID 3672 wrote to memory of 1720	3672	fcc463783421288a64d9504a5da80ff3f19d7dc994b35311403fe33cac412c9d.exe	84
PID 3672 wrote to memory of 1720	3672	fcc463783421288a64d9504a5da80ff3f19d7dc994b35311403fe33cac412c9d.exe	84
PID 3672 wrote to memory of 1720	3672	fcc463783421288a64d9504a5da80ff3f19d7dc994b35311403fe33cac412c9d.exe	84
PID 3672 wrote to memory of 1720	3672	fcc463783421288a64d9504a5da80ff3f19d7dc994b35311403fe33cac412c9d.exe	84
PID 1720 wrote to memory of 1008	1720	fcc463783421288a64d9504a5da80ff3f19d7dc994b35311403fe33cac412c9d.exe	88
PID 1720 wrote to memory of 1008	1720	fcc463783421288a64d9504a5da80ff3f19d7dc994b35311403fe33cac412c9d.exe	88
PID 1720 wrote to memory of 1008	1720	fcc463783421288a64d9504a5da80ff3f19d7dc994b35311403fe33cac412c9d.exe	88
PID 1008 wrote to memory of 1504	1008	omsecor.exe	90
PID 1008 wrote to memory of 1504	1008	omsecor.exe	90
PID 1008 wrote to memory of 1504	1008	omsecor.exe	90
PID 1008 wrote to memory of 1504	1008	omsecor.exe	90
PID 1008 wrote to memory of 1504	1008	omsecor.exe	90
PID 1504 wrote to memory of 3908	1504	omsecor.exe	115
PID 1504 wrote to memory of 3908	1504	omsecor.exe	115
PID 1504 wrote to memory of 3908	1504	omsecor.exe	115
PID 3908 wrote to memory of 640	3908	omsecor.exe	116
PID 3908 wrote to memory of 640	3908	omsecor.exe	116
PID 3908 wrote to memory of 640	3908	omsecor.exe	116
PID 3908 wrote to memory of 640	3908	omsecor.exe	116
PID 3908 wrote to memory of 640	3908	omsecor.exe	116
PID 640 wrote to memory of 4616	640	omsecor.exe	118
PID 640 wrote to memory of 4616	640	omsecor.exe	118
PID 640 wrote to memory of 4616	640	omsecor.exe	118
PID 4616 wrote to memory of 4044	4616	omsecor.exe	120
PID 4616 wrote to memory of 4044	4616	omsecor.exe	120
PID 4616 wrote to memory of 4044	4616	omsecor.exe	120
PID 4616 wrote to memory of 4044	4616	omsecor.exe	120
PID 4616 wrote to memory of 4044	4616	omsecor.exe	120

C:\Users\Admin\AppData\Local\Temp\fcc463783421288a64d9504a5da80ff3f19d7dc994b35311403fe33cac412c9d.exe
"C:\Users\Admin\AppData\Local\Temp\fcc463783421288a64d9504a5da80ff3f19d7dc994b35311403fe33cac412c9d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3672
- C:\Users\Admin\AppData\Local\Temp\fcc463783421288a64d9504a5da80ff3f19d7dc994b35311403fe33cac412c9d.exe
  C:\Users\Admin\AppData\Local\Temp\fcc463783421288a64d9504a5da80ff3f19d7dc994b35311403fe33cac412c9d.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1720
- - 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:1008
  - - 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:1504
    - - 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:3908
      - 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:640
        
        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:4616
        
        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:4044
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4616 -s 244
        8⤵
        Program crash
        
        PID:396
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3908 -s 292
        6⤵
        Program crash
        
        PID:3620
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1008 -s 288
      4⤵
      Program crash
      PID:1388
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3672 -s 300
  2⤵
  - Program crash
  PID:3564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3672 -ip 3672
1⤵
PID:3536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1008 -ip 1008
1⤵
PID:2820

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3908 -ip 3908
1⤵
PID:4312

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4616 -ip 4616
1⤵
PID:3116

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

Loading Replay Monitor...

Downloads

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

Filesize
96KB

MD5
109afd6d318991968556e56a4be20486

SHA1
400d9862337d7cd6d78267ff3480aaec337272a5

SHA256
fcf9ef3ec9050afaeb609dfba586851c0615fab2127daadf4f3d2198d1e0ded4

SHA512
31369363a24a4b59946b8e0ea51bd998601467501f0ebdfcf0b651078640d21669f6ab588fc6ea30123a3de37272a47fb9b4f5b45d7d1bd6da6a9fd6c6d0853c

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

Filesize
96KB

MD5
391e74d5b7aa9a298276ceabb1e5e566

SHA1
fab540db25478a652313a22528581ee657e63e16

SHA256
9703514741527b7659d550b60738171f968d47ce303bce0bb210fb6c1c0e857b

SHA512
e45daa9380901b08eed25d5b8c430595fbe7f71de6cd5eeca49220f54b71a62f25f9c24cd853a460be121fd002f8f414772302155d80f86887e08219488594b1

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

Filesize
96KB

MD5
b6ed50aab8ace8bcab85732ec564785c

SHA1
813ccc651c9c458702ab3cb301fd9e7053b3a705

SHA256
43303c92850f657577f12dd42a9e7c16a26cce6fd6d431e616911672de47974b

SHA512
8bbe8fe05d13551248d95b900fd21699fa5fb9cc25bae8378630162067f7b60c40afb39686189ede24eeef8f8372b21042ba96289a02677a31124040d9528817

Download Submit
memory/640-40-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/640-35-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/640-34-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1008-15-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1008-7-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1504-24-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1504-17-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1504-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1504-23-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1504-13-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1504-28-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1504-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1720-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1720-9-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1720-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1720-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3672-16-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3672-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3908-29-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3908-49-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4044-47-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4044-46-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4044-51-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4616-42-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4616-50-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download