neconyd | f3eb9e4768684f44ab5dd8bc53d7c960ffb8a1403500aac361bc68daa2f95a87

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
12-01-2025 10:29

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General

Target

f3eb9e4768684f44ab5dd8bc53d7c960ffb8a1403500aac361bc68daa2f95a87N.exe
Size

96KB
MD5

b31153cf408fccc14297b6f43e514640
SHA1

085eeae4d04bf3a083e4984a65dadd732ab5c2a3
SHA256

f3eb9e4768684f44ab5dd8bc53d7c960ffb8a1403500aac361bc68daa2f95a87
SHA512

0707d619f1bce898564b39c6fcbb9cb544890a27b74f6baff6e9a4d1d6aadfde00f621f09681791039d2a13f337b45a88ec60bbcd6d226f6fb9918b9173e18b2
SSDEEP

1536:lnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxL:lGs8cd8eXlYairZYqMddH13L

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
4028	omsecor.exe
1120	omsecor.exe
2680	omsecor.exe
4808	omsecor.exe
1068	omsecor.exe
3624	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 2216 set thread context of 3272	2216	f3eb9e4768684f44ab5dd8bc53d7c960ffb8a1403500aac361bc68daa2f95a87N.exe	83
PID 4028 set thread context of 1120	4028	omsecor.exe	87
PID 2680 set thread context of 4808	2680	omsecor.exe	107
PID 1068 set thread context of 3624	1068	omsecor.exe	111

Program crash 4 IoCs

pid	pid_target	Process	procid_target
3548	4028	WerFault.exe	86
3716	2216	WerFault.exe	82
4224	2680	WerFault.exe	106
2612	1068	WerFault.exe	109

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	f3eb9e4768684f44ab5dd8bc53d7c960ffb8a1403500aac361bc68daa2f95a87N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f3eb9e4768684f44ab5dd8bc53d7c960ffb8a1403500aac361bc68daa2f95a87N.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 2216 wrote to memory of 3272	2216	f3eb9e4768684f44ab5dd8bc53d7c960ffb8a1403500aac361bc68daa2f95a87N.exe	83
PID 2216 wrote to memory of 3272	2216	f3eb9e4768684f44ab5dd8bc53d7c960ffb8a1403500aac361bc68daa2f95a87N.exe	83
PID 2216 wrote to memory of 3272	2216	f3eb9e4768684f44ab5dd8bc53d7c960ffb8a1403500aac361bc68daa2f95a87N.exe	83
PID 2216 wrote to memory of 3272	2216	f3eb9e4768684f44ab5dd8bc53d7c960ffb8a1403500aac361bc68daa2f95a87N.exe	83
PID 2216 wrote to memory of 3272	2216	f3eb9e4768684f44ab5dd8bc53d7c960ffb8a1403500aac361bc68daa2f95a87N.exe	83
PID 3272 wrote to memory of 4028	3272	f3eb9e4768684f44ab5dd8bc53d7c960ffb8a1403500aac361bc68daa2f95a87N.exe	86
PID 3272 wrote to memory of 4028	3272	f3eb9e4768684f44ab5dd8bc53d7c960ffb8a1403500aac361bc68daa2f95a87N.exe	86
PID 3272 wrote to memory of 4028	3272	f3eb9e4768684f44ab5dd8bc53d7c960ffb8a1403500aac361bc68daa2f95a87N.exe	86
PID 4028 wrote to memory of 1120	4028	omsecor.exe	87
PID 4028 wrote to memory of 1120	4028	omsecor.exe	87
PID 4028 wrote to memory of 1120	4028	omsecor.exe	87
PID 4028 wrote to memory of 1120	4028	omsecor.exe	87
PID 4028 wrote to memory of 1120	4028	omsecor.exe	87
PID 1120 wrote to memory of 2680	1120	omsecor.exe	106
PID 1120 wrote to memory of 2680	1120	omsecor.exe	106
PID 1120 wrote to memory of 2680	1120	omsecor.exe	106
PID 2680 wrote to memory of 4808	2680	omsecor.exe	107
PID 2680 wrote to memory of 4808	2680	omsecor.exe	107
PID 2680 wrote to memory of 4808	2680	omsecor.exe	107
PID 2680 wrote to memory of 4808	2680	omsecor.exe	107
PID 2680 wrote to memory of 4808	2680	omsecor.exe	107
PID 4808 wrote to memory of 1068	4808	omsecor.exe	109
PID 4808 wrote to memory of 1068	4808	omsecor.exe	109
PID 4808 wrote to memory of 1068	4808	omsecor.exe	109
PID 1068 wrote to memory of 3624	1068	omsecor.exe	111
PID 1068 wrote to memory of 3624	1068	omsecor.exe	111
PID 1068 wrote to memory of 3624	1068	omsecor.exe	111
PID 1068 wrote to memory of 3624	1068	omsecor.exe	111
PID 1068 wrote to memory of 3624	1068	omsecor.exe	111

C:\Users\Admin\AppData\Local\Temp\f3eb9e4768684f44ab5dd8bc53d7c960ffb8a1403500aac361bc68daa2f95a87N.exe
"C:\Users\Admin\AppData\Local\Temp\f3eb9e4768684f44ab5dd8bc53d7c960ffb8a1403500aac361bc68daa2f95a87N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2216
- C:\Users\Admin\AppData\Local\Temp\f3eb9e4768684f44ab5dd8bc53d7c960ffb8a1403500aac361bc68daa2f95a87N.exe
  C:\Users\Admin\AppData\Local\Temp\f3eb9e4768684f44ab5dd8bc53d7c960ffb8a1403500aac361bc68daa2f95a87N.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3272
- - 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:4028
  - - 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:1120
    - - 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:2680
      - 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:4808
        
        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:1068
        
        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:3624
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1068 -s 268
        8⤵
        Program crash
        
        PID:2612
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2680 -s 296
        6⤵
        Program crash
        
        PID:4224
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4028 -s 296
      4⤵
      Program crash
      PID:3548
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 272
  2⤵
  - Program crash
  PID:3716

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2216 -ip 2216
1⤵
PID:920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4028 -ip 4028
1⤵
PID:3512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 2680 -ip 2680
1⤵
PID:1420

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 1068 -ip 1068
1⤵
PID:4448

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
91750ab944c1c3ed87db2ca1f470e2ff

SHA1
d205f58c8758e3522dfd3d823e61fb63696208bd

SHA256
fe6e0da767135c98c0df2165169c3c2e0d843ea2dda7b17597722bb1624d59f7

SHA512
91d06f452219e5fbf6216b5333847216ac4ca5eb02b6ada148de0f8c0c1cb8059fc0bd9bc92e9afbcf2a917597fa89e245e39dc635e236d4fe4d2836f89e83c0

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

Filesize
96KB

MD5
747e770aa0d155bef88d67b3e6a9782b

SHA1
85cf8d34488e9611d5b21a4f74074c127e79aa10

SHA256
1a5bb84a544f98ce01402ebbd8eb018f4a526bc45899ccc1f18f0023ef1c8342

SHA512
82cd2d4faa174f55f9897ddde80b8d29437bc99c219c7f123e40af5c3c4030007f107ef23725b952473c3fd6e50b3d32bc84fe338d459b5b91b56faaeca7fbca

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

Filesize
96KB

MD5
8b3d476fd9cf74a68e765e2ce597f83c

SHA1
ef3829683eb8016d321801fcfa1696798fb67c72

SHA256
449687adb4a1f4913c699461ea0a36932cbaf478528e40a6688db18efb7bf14a

SHA512
9b777e39d63c3882cc73105ab9b08275918d95a491f6fdc95d1e12be9d4b809a2faf442f9e56e0170039476c7355b2c340997b4aba0e955edea447c4f3d15ac6

Download Submit
memory/1068-44-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1120-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1120-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1120-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1120-29-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1120-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1120-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1120-22-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2216-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2216-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2680-32-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2680-51-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3272-9-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3272-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3272-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3272-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3624-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3624-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3624-53-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4028-18-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4028-11-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4808-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4808-39-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4808-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download