neconyd | 5f21c755308d6f97c3e2c728919674b97e1a8aa1bdc1ac7cbff65f84833cd825

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
16-12-2024 06:13

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General

Target

5f21c755308d6f97c3e2c728919674b97e1a8aa1bdc1ac7cbff65f84833cd825N.exe
Size

96KB
MD5

b68f49ecd7ced38a0036962cdefc7370
SHA1

2506566a81706d4432705bb7ea662bb4bc5b66cb
SHA256

5f21c755308d6f97c3e2c728919674b97e1a8aa1bdc1ac7cbff65f84833cd825
SHA512

5a712b5a0b1782a95ef26d206872a3f27f5f1fea9f1939284e834fcceb55175d32350059d630d59ca19ce8e9164419a9930c60f5b9b02c58ae753ee216398ba7
SSDEEP

1536:snAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxL:sGs8cd8eXlYairZYqMddH13L

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
1672	omsecor.exe
1996	omsecor.exe
1920	omsecor.exe
4972	omsecor.exe
2076	omsecor.exe
1476	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 3736 set thread context of 4660	3736	5f21c755308d6f97c3e2c728919674b97e1a8aa1bdc1ac7cbff65f84833cd825N.exe	83
PID 1672 set thread context of 1996	1672	omsecor.exe	87
PID 1920 set thread context of 4972	1920	omsecor.exe	108
PID 2076 set thread context of 1476	2076	omsecor.exe	112

Program crash 4 IoCs

pid	pid_target	Process	procid_target
2916	3736	WerFault.exe	82
4216	1672	WerFault.exe	86
2916	1920	WerFault.exe	107
2384	2076	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	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5f21c755308d6f97c3e2c728919674b97e1a8aa1bdc1ac7cbff65f84833cd825N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5f21c755308d6f97c3e2c728919674b97e1a8aa1bdc1ac7cbff65f84833cd825N.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 3736 wrote to memory of 4660	3736	5f21c755308d6f97c3e2c728919674b97e1a8aa1bdc1ac7cbff65f84833cd825N.exe	83
PID 3736 wrote to memory of 4660	3736	5f21c755308d6f97c3e2c728919674b97e1a8aa1bdc1ac7cbff65f84833cd825N.exe	83
PID 3736 wrote to memory of 4660	3736	5f21c755308d6f97c3e2c728919674b97e1a8aa1bdc1ac7cbff65f84833cd825N.exe	83
PID 3736 wrote to memory of 4660	3736	5f21c755308d6f97c3e2c728919674b97e1a8aa1bdc1ac7cbff65f84833cd825N.exe	83
PID 3736 wrote to memory of 4660	3736	5f21c755308d6f97c3e2c728919674b97e1a8aa1bdc1ac7cbff65f84833cd825N.exe	83
PID 4660 wrote to memory of 1672	4660	5f21c755308d6f97c3e2c728919674b97e1a8aa1bdc1ac7cbff65f84833cd825N.exe	86
PID 4660 wrote to memory of 1672	4660	5f21c755308d6f97c3e2c728919674b97e1a8aa1bdc1ac7cbff65f84833cd825N.exe	86
PID 4660 wrote to memory of 1672	4660	5f21c755308d6f97c3e2c728919674b97e1a8aa1bdc1ac7cbff65f84833cd825N.exe	86
PID 1672 wrote to memory of 1996	1672	omsecor.exe	87
PID 1672 wrote to memory of 1996	1672	omsecor.exe	87
PID 1672 wrote to memory of 1996	1672	omsecor.exe	87
PID 1672 wrote to memory of 1996	1672	omsecor.exe	87
PID 1672 wrote to memory of 1996	1672	omsecor.exe	87
PID 1996 wrote to memory of 1920	1996	omsecor.exe	107
PID 1996 wrote to memory of 1920	1996	omsecor.exe	107
PID 1996 wrote to memory of 1920	1996	omsecor.exe	107
PID 1920 wrote to memory of 4972	1920	omsecor.exe	108
PID 1920 wrote to memory of 4972	1920	omsecor.exe	108
PID 1920 wrote to memory of 4972	1920	omsecor.exe	108
PID 1920 wrote to memory of 4972	1920	omsecor.exe	108
PID 1920 wrote to memory of 4972	1920	omsecor.exe	108
PID 4972 wrote to memory of 2076	4972	omsecor.exe	110
PID 4972 wrote to memory of 2076	4972	omsecor.exe	110
PID 4972 wrote to memory of 2076	4972	omsecor.exe	110
PID 2076 wrote to memory of 1476	2076	omsecor.exe	112
PID 2076 wrote to memory of 1476	2076	omsecor.exe	112
PID 2076 wrote to memory of 1476	2076	omsecor.exe	112
PID 2076 wrote to memory of 1476	2076	omsecor.exe	112
PID 2076 wrote to memory of 1476	2076	omsecor.exe	112

C:\Users\Admin\AppData\Local\Temp\5f21c755308d6f97c3e2c728919674b97e1a8aa1bdc1ac7cbff65f84833cd825N.exe
"C:\Users\Admin\AppData\Local\Temp\5f21c755308d6f97c3e2c728919674b97e1a8aa1bdc1ac7cbff65f84833cd825N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3736
- C:\Users\Admin\AppData\Local\Temp\5f21c755308d6f97c3e2c728919674b97e1a8aa1bdc1ac7cbff65f84833cd825N.exe
  C:\Users\Admin\AppData\Local\Temp\5f21c755308d6f97c3e2c728919674b97e1a8aa1bdc1ac7cbff65f84833cd825N.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4660
- - 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:1672
  - - 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:1996
    - - 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:1920
      - 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:4972
        
        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:2076
        
        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:1476
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 256
        8⤵
        Program crash
        
        PID:2384
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1920 -s 292
        6⤵
        Program crash
        
        PID:2916
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1672 -s 276
      4⤵
      Program crash
      PID:4216
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3736 -s 288
  2⤵
  - Program crash
  PID:2916

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3736 -ip 3736
1⤵
PID:1540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1672 -ip 1672
1⤵
PID:1396

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1920 -ip 1920
1⤵
PID:4012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2076 -ip 2076
1⤵
PID:3184

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
84d33ac4981657b8cebf6ed67c718b27

SHA1
d46794bfa78db728218e9f140b82af433a8d472a

SHA256
8fdfc9a654ff4fce83be06df8417a7c4bec9f3eaa84e871ccc61bfd3ac25547a

SHA512
52a074d76b71ab70ba547e3d0e61bf2da77590bf7104fbca3b9dacc7b5e3a77d081735f3994cbb1b2a6d55c031d4e06ceadf847d42cc218cf3902386451b1a71

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

Filesize
96KB

MD5
907a8dc35445936cd31d0f26eba9481f

SHA1
8af3dc64ea78d61d71b8eea3e3cb575d4edf37d4

SHA256
52b79c15a7f78ce008fd55daec1bc55cf6210ec3c349fff6f780d12a233e7150

SHA512
69e8c117258bceee4813454a973608ffdd76d1b05585382163b3455bb8ced111c6724d8e8130660ba4a2e0e699e5da260149c8acc7f5becbea08ee4860d75e99

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

Filesize
96KB

MD5
e7d7f3a3b87ddaac5c8bf946bbdb40ab

SHA1
3ef54bf6d5141ca8b1431c593a8f862a82df0e20

SHA256
57790981271281b1df6749df41fc37508e4cd6245f92070dbb21cf493be7af60

SHA512
1308df66d0ea023fdc7583af2735b5279402f0dcd1c39c145e50d02e3fcae2353102cfc3b998ced074c204992949649f9a60335412d8aa16582543fe59e64c6f

Download Submit
memory/1476-53-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1476-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1476-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1672-8-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1672-16-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1920-51-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1920-33-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1996-21-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1996-24-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1996-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1996-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1996-32-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1996-18-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1996-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2076-44-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3736-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3736-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4660-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4660-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4660-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4660-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4972-39-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4972-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4972-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download