neconyd | a661df1f7438dac5d67caccb49ad394bed40737bff41cfd73c167c0070aff94d

Analysis

max time kernel
115s
max time network
120s
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, 00:56

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a661df1f7438dac5d67caccb49ad394bed40737bff41cfd73c167c0070aff94d.exe
Size

96KB
MD5

b2ff87546ca464dc1f535d7794c2e568
SHA1

c20292bd2d72021d41514e77880d27232c2f2065
SHA256

a661df1f7438dac5d67caccb49ad394bed40737bff41cfd73c167c0070aff94d
SHA512

24759c0481c8aedf1210054a5205bbabbb8c058706864fd268976fdfd4a6f4cf4180cddcd5b7b9cd5a508ea27a24d37c8fb502d70d12c0625af226fffe600725
SSDEEP

1536:xnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxJ:xGs8cd8eXlYairZYqMddH13J

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
4432	omsecor.exe
4996	omsecor.exe
5044	omsecor.exe
1592	omsecor.exe
4620	omsecor.exe
4984	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 2288 set thread context of 3472	2288	a661df1f7438dac5d67caccb49ad394bed40737bff41cfd73c167c0070aff94d.exe	85
PID 4432 set thread context of 4996	4432	omsecor.exe	89
PID 5044 set thread context of 1592	5044	omsecor.exe	114
PID 4620 set thread context of 4984	4620	omsecor.exe	118

Program crash 4 IoCs

pid	pid_target	Process	procid_target
3944	2288	WerFault.exe	84
5108	4432	WerFault.exe	87
2432	5044	WerFault.exe	113
4788	4620	WerFault.exe	116

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	a661df1f7438dac5d67caccb49ad394bed40737bff41cfd73c167c0070aff94d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a661df1f7438dac5d67caccb49ad394bed40737bff41cfd73c167c0070aff94d.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 2288 wrote to memory of 3472	2288	a661df1f7438dac5d67caccb49ad394bed40737bff41cfd73c167c0070aff94d.exe	85
PID 2288 wrote to memory of 3472	2288	a661df1f7438dac5d67caccb49ad394bed40737bff41cfd73c167c0070aff94d.exe	85
PID 2288 wrote to memory of 3472	2288	a661df1f7438dac5d67caccb49ad394bed40737bff41cfd73c167c0070aff94d.exe	85
PID 2288 wrote to memory of 3472	2288	a661df1f7438dac5d67caccb49ad394bed40737bff41cfd73c167c0070aff94d.exe	85
PID 2288 wrote to memory of 3472	2288	a661df1f7438dac5d67caccb49ad394bed40737bff41cfd73c167c0070aff94d.exe	85
PID 3472 wrote to memory of 4432	3472	a661df1f7438dac5d67caccb49ad394bed40737bff41cfd73c167c0070aff94d.exe	87
PID 3472 wrote to memory of 4432	3472	a661df1f7438dac5d67caccb49ad394bed40737bff41cfd73c167c0070aff94d.exe	87
PID 3472 wrote to memory of 4432	3472	a661df1f7438dac5d67caccb49ad394bed40737bff41cfd73c167c0070aff94d.exe	87
PID 4432 wrote to memory of 4996	4432	omsecor.exe	89
PID 4432 wrote to memory of 4996	4432	omsecor.exe	89
PID 4432 wrote to memory of 4996	4432	omsecor.exe	89
PID 4432 wrote to memory of 4996	4432	omsecor.exe	89
PID 4432 wrote to memory of 4996	4432	omsecor.exe	89
PID 4996 wrote to memory of 5044	4996	omsecor.exe	113
PID 4996 wrote to memory of 5044	4996	omsecor.exe	113
PID 4996 wrote to memory of 5044	4996	omsecor.exe	113
PID 5044 wrote to memory of 1592	5044	omsecor.exe	114
PID 5044 wrote to memory of 1592	5044	omsecor.exe	114
PID 5044 wrote to memory of 1592	5044	omsecor.exe	114
PID 5044 wrote to memory of 1592	5044	omsecor.exe	114
PID 5044 wrote to memory of 1592	5044	omsecor.exe	114
PID 1592 wrote to memory of 4620	1592	omsecor.exe	116
PID 1592 wrote to memory of 4620	1592	omsecor.exe	116
PID 1592 wrote to memory of 4620	1592	omsecor.exe	116
PID 4620 wrote to memory of 4984	4620	omsecor.exe	118
PID 4620 wrote to memory of 4984	4620	omsecor.exe	118
PID 4620 wrote to memory of 4984	4620	omsecor.exe	118
PID 4620 wrote to memory of 4984	4620	omsecor.exe	118
PID 4620 wrote to memory of 4984	4620	omsecor.exe	118

C:\Users\Admin\AppData\Local\Temp\a661df1f7438dac5d67caccb49ad394bed40737bff41cfd73c167c0070aff94d.exe
"C:\Users\Admin\AppData\Local\Temp\a661df1f7438dac5d67caccb49ad394bed40737bff41cfd73c167c0070aff94d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2288
- C:\Users\Admin\AppData\Local\Temp\a661df1f7438dac5d67caccb49ad394bed40737bff41cfd73c167c0070aff94d.exe
  C:\Users\Admin\AppData\Local\Temp\a661df1f7438dac5d67caccb49ad394bed40737bff41cfd73c167c0070aff94d.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3472
- - 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:4432
  - - 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:4996
    - - 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:5044
      - 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:1592
        
        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:4620
        
        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:4984
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4620 -s 260
        8⤵
        Program crash
        
        PID:4788
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 5044 -s 296
        6⤵
        Program crash
        
        PID:2432
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4432 -s 288
      4⤵
      Program crash
      PID:5108
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2288 -s 288
  2⤵
  - Program crash
  PID:3944

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2288 -ip 2288
1⤵
PID:1396

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4432 -ip 4432
1⤵
PID:4808

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 5044 -ip 5044
1⤵
PID:4144

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4620 -ip 4620
1⤵
PID:1620

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
3a91d282f2e5f6fe6c823073200ebdba

SHA1
b4eef5209bb4fc28900b29bcdb4b7395d1b5f8c0

SHA256
e1be6b3319ebe58890935c4585b5bc94c7fd65cf9b9e49df47b87c47d708a331

SHA512
66595e23868559676c46c96b9bc3a4be634406ac2f438730cfd889292a8b1507f31694119e58ca03ff5bbf7cb844a5d78bd87bd077262515e1466fb6191944da

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

Filesize
96KB

MD5
b680aff7c5eb7d61b7b65647b98a98b0

SHA1
993451bf1f0e83beafd84fffbaed179989c3e2e3

SHA256
27fc27d7f892045cb9eab70f457701b47fa1279bc19c6bb23f49336ebaa1c0e6

SHA512
357299e68124e88f56be79919847200448b8cc53b73cc2bdbe1fb2809b18a989ebea6383cd9ec1aced58f63d619e5316e1ec9852ffbce8aaa04b8d54798a9e8d

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

Filesize
96KB

MD5
97699a43fbb8a5f94cee99da549f2acb

SHA1
fbda85f14814778ed7fde4a4d4b4fc82ca024837

SHA256
561e95db1bd218ba19e558512e1978ab8f882a6feac1322e484e9b41bc818903

SHA512
2fbf7dba9310d91e6dbb10f77922349bf546bc15374c8367eea1a25fc1d5aa586c33abfbceec5ef98c1e31aff965f8b8c795fd6e1ab23b087e3161b1710f68dc

Download Submit
memory/1592-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1592-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1592-35-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2288-16-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2288-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3472-7-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3472-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3472-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3472-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4432-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4432-9-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4620-43-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4984-52-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4984-47-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4984-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4996-21-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4996-29-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4996-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4996-24-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4996-13-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4996-18-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4996-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5044-30-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/5044-50-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download