Malware Analysis Report

2024-11-16 12:57

Sample ID 240816-ncj46avhqk
Target 6dcd4834303e980aaf6332bc37a168e0N.exe
SHA256 13064ca0ed435e83f22b8ce2c845c21658f5e9ca4a2b907408dd98f7bd6694a8
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

13064ca0ed435e83f22b8ce2c845c21658f5e9ca4a2b907408dd98f7bd6694a8

Threat Level: Known bad

The file 6dcd4834303e980aaf6332bc37a168e0N.exe 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

2024-08-16 11:15

Signatures

Neconyd family

neconyd

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-16 11:15

Reported

2024-08-16 11:17

Platform

win7-20240729-en

Max time kernel

114s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6dcd4834303e980aaf6332bc37a168e0N.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\Local\Temp\6dcd4834303e980aaf6332bc37a168e0N.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
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\omsecor.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2208 wrote to memory of 2100 N/A C:\Users\Admin\AppData\Local\Temp\6dcd4834303e980aaf6332bc37a168e0N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2208 wrote to memory of 2100 N/A C:\Users\Admin\AppData\Local\Temp\6dcd4834303e980aaf6332bc37a168e0N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2208 wrote to memory of 2100 N/A C:\Users\Admin\AppData\Local\Temp\6dcd4834303e980aaf6332bc37a168e0N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2208 wrote to memory of 2100 N/A C:\Users\Admin\AppData\Local\Temp\6dcd4834303e980aaf6332bc37a168e0N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2100 wrote to memory of 2056 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2100 wrote to memory of 2056 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2100 wrote to memory of 2056 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2100 wrote to memory of 2056 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2056 wrote to memory of 2348 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2056 wrote to memory of 2348 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2056 wrote to memory of 2348 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2056 wrote to memory of 2348 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\6dcd4834303e980aaf6332bc37a168e0N.exe

"C:\Users\Admin\AppData\Local\Temp\6dcd4834303e980aaf6332bc37a168e0N.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
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

Files

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

MD5 e9ecfc2ad8d27df0fbc3e228837100f3
SHA1 f63ff0e56945ef878da8cc94baa79a66f87ba161
SHA256 dd8507dd608f00e81e5ab6db8d61a37d8e551e747e593fb7a30bbec5c44f60e7
SHA512 ce371c30014e67b790ce14f4a57e87ab19ed286d46a8665fb77df970a111f9faf866f3730f95d44ad208b0eb3e8aa9cbbf30d4808fff941c744e13fa29ceb8cc

\Windows\SysWOW64\omsecor.exe

MD5 0746b8878c5c3268f1f103e73d0f031c
SHA1 99fe872948ba2bf5dcb03ad2739a0b9677289362
SHA256 57125de68eaedeb734528d7e1b3d17cd4f3bc4134129f53e0066ef7e20b25fbd
SHA512 6db8aba948f559e6542b59d7f429b38322557bd61474f634a15920db60c805ee5f21e992422c2ff305464133651af8a334d35b9b411a14e007608f42bd6a91c1

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

MD5 2e076758da9e75bd6fb772b14144468a
SHA1 874a64f93d185da093395db19be281e8dc309cba
SHA256 e31c6c93bf7bed76d19c433eafeba276051fb65ffe1963c483875b2405f9b8a8
SHA512 4fc6fac848b1c4827cf0c2005701d5031e6c505c909d9a7a95969d3049682adddf2fe9defd395ad7b300409dfe12974d410f457f177ba33c55d4600eea0059ce

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-16 11:15

Reported

2024-08-16 11:17

Platform

win10v2004-20240802-en

Max time kernel

114s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6dcd4834303e980aaf6332bc37a168e0N.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

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
File opened for modification C:\Windows\SysWOW64\merocz.xc6 C:\Windows\SysWOW64\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\Local\Temp\6dcd4834303e980aaf6332bc37a168e0N.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

Processes

C:\Users\Admin\AppData\Local\Temp\6dcd4834303e980aaf6332bc37a168e0N.exe

"C:\Users\Admin\AppData\Local\Temp\6dcd4834303e980aaf6332bc37a168e0N.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

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 lousta.net udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 mkkuei4kdsz.com udp
US 64.225.91.73:80 mkkuei4kdsz.com tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 73.91.225.64.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 ow5dirasuek.com udp
US 52.34.198.229:80 ow5dirasuek.com tcp
US 8.8.8.8:53 229.198.34.52.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp

Files

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

MD5 e9ecfc2ad8d27df0fbc3e228837100f3
SHA1 f63ff0e56945ef878da8cc94baa79a66f87ba161
SHA256 dd8507dd608f00e81e5ab6db8d61a37d8e551e747e593fb7a30bbec5c44f60e7
SHA512 ce371c30014e67b790ce14f4a57e87ab19ed286d46a8665fb77df970a111f9faf866f3730f95d44ad208b0eb3e8aa9cbbf30d4808fff941c744e13fa29ceb8cc

C:\Windows\SysWOW64\omsecor.exe

MD5 37d2519ae8d3e97cc770961bbfb3dc32
SHA1 bb33100190b70ae7d4e6bba2c251874f902f498d
SHA256 6087f09efbb708ac52dd4b92379ba113548f646d34034d8a40b8ac0d1acd61b2
SHA512 5e789d438894f0666760b078d6b3261995dc7a5ced3b6a4bf2af1bb4055ebddcf7a0cda1bcfd38bf03c0853493788a70ba6a502c0ec8ffd1655581c657ce26df