Malware Analysis Report

2024-11-16 12:58

Sample ID 240818-wweyjszfqm
Target 027b355ff9b7a02c415e2fd6ef55a2c07ba97fb543e9848b44fbf5dff8b5dfc0
SHA256 027b355ff9b7a02c415e2fd6ef55a2c07ba97fb543e9848b44fbf5dff8b5dfc0
Tags
neconyd discovery trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

027b355ff9b7a02c415e2fd6ef55a2c07ba97fb543e9848b44fbf5dff8b5dfc0

Threat Level: Known bad

The file 027b355ff9b7a02c415e2fd6ef55a2c07ba97fb543e9848b44fbf5dff8b5dfc0 was found to be: Known bad.

Malicious Activity Summary

neconyd discovery trojan

Neconyd family

Neconyd

Executes dropped EXE

Loads dropped DLL

Drops file in System32 directory

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-18 18:16

Signatures

Neconyd family

neconyd

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-18 18:16

Reported

2024-08-18 18:18

Platform

win7-20240729-en

Max time kernel

145s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\027b355ff9b7a02c415e2fd6ef55a2c07ba97fb543e9848b44fbf5dff8b5dfc0.exe"

Signatures

Neconyd

trojan neconyd

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\omsecor.exe N/A
N/A N/A C:\Windows\SysWOW64\omsecor.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\omsecor.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\omsecor.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\027b355ff9b7a02c415e2fd6ef55a2c07ba97fb543e9848b44fbf5dff8b5dfc0.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\omsecor.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\omsecor.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 408 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\027b355ff9b7a02c415e2fd6ef55a2c07ba97fb543e9848b44fbf5dff8b5dfc0.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 408 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\027b355ff9b7a02c415e2fd6ef55a2c07ba97fb543e9848b44fbf5dff8b5dfc0.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 408 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\027b355ff9b7a02c415e2fd6ef55a2c07ba97fb543e9848b44fbf5dff8b5dfc0.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 408 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\027b355ff9b7a02c415e2fd6ef55a2c07ba97fb543e9848b44fbf5dff8b5dfc0.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1728 wrote to memory of 1900 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 1728 wrote to memory of 1900 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 1728 wrote to memory of 1900 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 1728 wrote to memory of 1900 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 1900 wrote to memory of 2148 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1900 wrote to memory of 2148 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1900 wrote to memory of 2148 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1900 wrote to memory of 2148 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\027b355ff9b7a02c415e2fd6ef55a2c07ba97fb543e9848b44fbf5dff8b5dfc0.exe

"C:\Users\Admin\AppData\Local\Temp\027b355ff9b7a02c415e2fd6ef55a2c07ba97fb543e9848b44fbf5dff8b5dfc0.exe"

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

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

C:\Windows\SysWOW64\omsecor.exe

C:\Windows\System32\omsecor.exe

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 lousta.net udp
FI 193.166.255.171:80 lousta.net tcp
FI 193.166.255.171:80 lousta.net tcp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 mkkuei4kdsz.com udp
US 64.225.91.73:80 mkkuei4kdsz.com tcp
US 8.8.8.8:53 ow5dirasuek.com udp
US 52.34.198.229:80 ow5dirasuek.com tcp
FI 193.166.255.171:80 lousta.net tcp
FI 193.166.255.171:80 lousta.net tcp
US 64.225.91.73:80 mkkuei4kdsz.com tcp

Files

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

MD5 2ccdfbde0854295311e04da7faae2278
SHA1 798bdc2f05da5807900a4517559aa3cbf5ef47c4
SHA256 7b7ad20320a4a09461541d1d666a67e5c20f7c083e53f86ca6b9fac7d5bcdd72
SHA512 43a9fd37c376f5d21490e2ba29dffc43296e940857e6cac629ecf971bb8a429c87d944b372dedc8f9e9c320aa23da831d7f12378e3cc6eef510eaf65cfa6a7fc

\Windows\SysWOW64\omsecor.exe

MD5 92b4e7b917ea9e714c4375d35179501d
SHA1 df4a2685da4e3bf2936472f649909febdd042238
SHA256 bd6c19f5ff52ddba237c164e678c25c33cc2c8d3339c89fcfd2aa5e5c7bfe796
SHA512 0529932980a4ba9b087e97ff700567e0614da905d341b25d91f4396e2442a81f715d76dde78af63d5c9882c81f27300637bfbab0822428fced86d906b1466ff1

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

MD5 630e76076618ed6d53016a3d4d1bba9e
SHA1 b7fc3d244f094ed28df1377a31dc2bfd61549b3c
SHA256 debfd4c8fab8a4ea2e5b70b992d7d647e0b20abf8b1f57b183baddb99e1dc544
SHA512 8d0c4ad528fe6077625470606df3a7793a9bece7df0d2c1e032805c9e2a2b20ba62663c4cf91a6f84191816322a2e508b157eb4be295b23ed1798363b0801100

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-18 18:16

Reported

2024-08-18 18:16

Platform

win10v2004-20240802-en

Max time kernel

31s

Max time network

42s

Command Line

"C:\Users\Admin\AppData\Local\Temp\027b355ff9b7a02c415e2fd6ef55a2c07ba97fb543e9848b44fbf5dff8b5dfc0.exe"

Signatures

Neconyd

trojan neconyd

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\omsecor.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\omsecor.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\027b355ff9b7a02c415e2fd6ef55a2c07ba97fb543e9848b44fbf5dff8b5dfc0.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\027b355ff9b7a02c415e2fd6ef55a2c07ba97fb543e9848b44fbf5dff8b5dfc0.exe

"C:\Users\Admin\AppData\Local\Temp\027b355ff9b7a02c415e2fd6ef55a2c07ba97fb543e9848b44fbf5dff8b5dfc0.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 lousta.net udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 45.19.74.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp

Files

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

MD5 2ccdfbde0854295311e04da7faae2278
SHA1 798bdc2f05da5807900a4517559aa3cbf5ef47c4
SHA256 7b7ad20320a4a09461541d1d666a67e5c20f7c083e53f86ca6b9fac7d5bcdd72
SHA512 43a9fd37c376f5d21490e2ba29dffc43296e940857e6cac629ecf971bb8a429c87d944b372dedc8f9e9c320aa23da831d7f12378e3cc6eef510eaf65cfa6a7fc