neconyd | 813bd52d23f1d483921ee2d2c667ebab1c7a8df0f17bfa78534b80699752353c

Analysis

max time kernel
115s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
02-02-2025 07:38

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General

Target

813bd52d23f1d483921ee2d2c667ebab1c7a8df0f17bfa78534b80699752353c.exe
Size

96KB
MD5

7fcd7e5707d004b75fb0760d1e26bb82
SHA1

0f7a4d3519bb949d4ce79640c88104acd4cabd10
SHA256

813bd52d23f1d483921ee2d2c667ebab1c7a8df0f17bfa78534b80699752353c
SHA512

4a678ace5c8cc26ca5b01cfa22be29de5c46479ce2c3b678f303a18ff0547233b0a7d12ac4f4e56cb4770c202d09a12a5beb47150c73164c5b6cda540e2f512a
SSDEEP

1536:unAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxj:uGs8cd8eXlYairZYqMddH13j

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
3520	omsecor.exe
1172	omsecor.exe
3324	omsecor.exe
3864	omsecor.exe
4412	omsecor.exe
2424	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 2988 set thread context of 3108	2988	813bd52d23f1d483921ee2d2c667ebab1c7a8df0f17bfa78534b80699752353c.exe	84
PID 3520 set thread context of 1172	3520	omsecor.exe	89
PID 3324 set thread context of 3864	3324	omsecor.exe	99
PID 4412 set thread context of 2424	4412	omsecor.exe	103

Program crash 4 IoCs

pid	pid_target	Process	procid_target
2076	2988	WerFault.exe	82
4152	3520	WerFault.exe	87
3868	3324	WerFault.exe	98
3952	4412	WerFault.exe	101

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	813bd52d23f1d483921ee2d2c667ebab1c7a8df0f17bfa78534b80699752353c.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	813bd52d23f1d483921ee2d2c667ebab1c7a8df0f17bfa78534b80699752353c.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 3108	2988	813bd52d23f1d483921ee2d2c667ebab1c7a8df0f17bfa78534b80699752353c.exe	84
PID 2988 wrote to memory of 3108	2988	813bd52d23f1d483921ee2d2c667ebab1c7a8df0f17bfa78534b80699752353c.exe	84
PID 2988 wrote to memory of 3108	2988	813bd52d23f1d483921ee2d2c667ebab1c7a8df0f17bfa78534b80699752353c.exe	84
PID 2988 wrote to memory of 3108	2988	813bd52d23f1d483921ee2d2c667ebab1c7a8df0f17bfa78534b80699752353c.exe	84
PID 2988 wrote to memory of 3108	2988	813bd52d23f1d483921ee2d2c667ebab1c7a8df0f17bfa78534b80699752353c.exe	84
PID 3108 wrote to memory of 3520	3108	813bd52d23f1d483921ee2d2c667ebab1c7a8df0f17bfa78534b80699752353c.exe	87
PID 3108 wrote to memory of 3520	3108	813bd52d23f1d483921ee2d2c667ebab1c7a8df0f17bfa78534b80699752353c.exe	87
PID 3108 wrote to memory of 3520	3108	813bd52d23f1d483921ee2d2c667ebab1c7a8df0f17bfa78534b80699752353c.exe	87
PID 3520 wrote to memory of 1172	3520	omsecor.exe	89
PID 3520 wrote to memory of 1172	3520	omsecor.exe	89
PID 3520 wrote to memory of 1172	3520	omsecor.exe	89
PID 3520 wrote to memory of 1172	3520	omsecor.exe	89
PID 3520 wrote to memory of 1172	3520	omsecor.exe	89
PID 1172 wrote to memory of 3324	1172	omsecor.exe	98
PID 1172 wrote to memory of 3324	1172	omsecor.exe	98
PID 1172 wrote to memory of 3324	1172	omsecor.exe	98
PID 3324 wrote to memory of 3864	3324	omsecor.exe	99
PID 3324 wrote to memory of 3864	3324	omsecor.exe	99
PID 3324 wrote to memory of 3864	3324	omsecor.exe	99
PID 3324 wrote to memory of 3864	3324	omsecor.exe	99
PID 3324 wrote to memory of 3864	3324	omsecor.exe	99
PID 3864 wrote to memory of 4412	3864	omsecor.exe	101
PID 3864 wrote to memory of 4412	3864	omsecor.exe	101
PID 3864 wrote to memory of 4412	3864	omsecor.exe	101
PID 4412 wrote to memory of 2424	4412	omsecor.exe	103
PID 4412 wrote to memory of 2424	4412	omsecor.exe	103
PID 4412 wrote to memory of 2424	4412	omsecor.exe	103
PID 4412 wrote to memory of 2424	4412	omsecor.exe	103
PID 4412 wrote to memory of 2424	4412	omsecor.exe	103

C:\Users\Admin\AppData\Local\Temp\813bd52d23f1d483921ee2d2c667ebab1c7a8df0f17bfa78534b80699752353c.exe
"C:\Users\Admin\AppData\Local\Temp\813bd52d23f1d483921ee2d2c667ebab1c7a8df0f17bfa78534b80699752353c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2988
- C:\Users\Admin\AppData\Local\Temp\813bd52d23f1d483921ee2d2c667ebab1c7a8df0f17bfa78534b80699752353c.exe
  C:\Users\Admin\AppData\Local\Temp\813bd52d23f1d483921ee2d2c667ebab1c7a8df0f17bfa78534b80699752353c.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3108
- - 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:3520
  - - 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:1172
    - - 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:3324
      - 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:3864
        
        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:4412
        
        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:2424
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4412 -s 256
        8⤵
        Program crash
        
        PID:3952
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3324 -s 276
        6⤵
        Program crash
        
        PID:3868
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3520 -s 288
      4⤵
      Program crash
      PID:4152
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2988 -s 288
  2⤵
  - Program crash
  PID:2076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2988 -ip 2988
1⤵
PID:2044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3520 -ip 3520
1⤵
PID:2628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3324 -ip 3324
1⤵
PID:4968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 4412 -ip 4412
1⤵
PID:3088

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
da488decbb181a77a787658592fc0b73

SHA1
cddf220bb794c18782bb2ab403ed02b9a7f26ebf

SHA256
912b29fe2f82eb2febbabe7e70bc3411219fe4399f32a0989793543aad033414

SHA512
0c2b969b7f61fd9946aaeec9c68e436c03fbc175bdb4cb0ac8ed1492364410b747f0080bef9ef970a56028f1d8e2aed04f8d26330fb06b8414d7328b26b3872e

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

Filesize
96KB

MD5
37ba62fb8d62d2516ffbadb264bcc022

SHA1
918072b2edc0a846ee3fa453b4e86fb99881ec17

SHA256
5ae77db0fb0f80d57f81d20c8398563815892ccaaea5d7b19c9bf40e423027db

SHA512
c75f652582c0b61ffa78f2a0a875a57d91769bfe4b38b26653bb6fca3f47a744d629a15160feba5c68559f91ceeb781015d2b715399b83044313319e4fdb05f4

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

Filesize
96KB

MD5
aa7a3263feac2ac642acb2d2a4681629

SHA1
b55234813effba2cafd1a8951557767b436d1f31

SHA256
1bc716334ae7491bceaff47a003cabb75d269394aa1005cdd614a8ebf6f7d259

SHA512
23cfe89c24013542017cfd83b9f765c8cf5b60f478943f71730a5655a796d7a6941026e9fdbdbae8d27944c9b1398b521062b529a9307af536474a0f4086cc05

Download Submit
memory/1172-23-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1172-31-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1172-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1172-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1172-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1172-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1172-27-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2424-54-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2424-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2424-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2988-19-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2988-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3108-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3108-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3108-6-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3108-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3324-32-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3324-52-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3520-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3520-10-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3864-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3864-43-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3864-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4412-45-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download