Malware Analysis Report

2024-11-16 13:01

Sample ID 240523-d17j9acd84
Target d38337c22ba50c9f064ccb348439a030b78ea3348691d47db33e74f4338e04b8
SHA256 d38337c22ba50c9f064ccb348439a030b78ea3348691d47db33e74f4338e04b8
Tags
neconyd trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

d38337c22ba50c9f064ccb348439a030b78ea3348691d47db33e74f4338e04b8

Threat Level: Known bad

The file d38337c22ba50c9f064ccb348439a030b78ea3348691d47db33e74f4338e04b8 was found to be: Known bad.

Malicious Activity Summary

neconyd trojan

Neconyd family

Neconyd

Executes dropped EXE

Loads dropped DLL

Drops file in System32 directory

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-23 03:29

Signatures

Neconyd family

neconyd

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-23 03:29

Reported

2024-05-23 03:32

Platform

win7-20240508-en

Max time kernel

145s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d38337c22ba50c9f064ccb348439a030b78ea3348691d47db33e74f4338e04b8.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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 956 wrote to memory of 2240 N/A C:\Users\Admin\AppData\Local\Temp\d38337c22ba50c9f064ccb348439a030b78ea3348691d47db33e74f4338e04b8.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 956 wrote to memory of 2240 N/A C:\Users\Admin\AppData\Local\Temp\d38337c22ba50c9f064ccb348439a030b78ea3348691d47db33e74f4338e04b8.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 956 wrote to memory of 2240 N/A C:\Users\Admin\AppData\Local\Temp\d38337c22ba50c9f064ccb348439a030b78ea3348691d47db33e74f4338e04b8.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 956 wrote to memory of 2240 N/A C:\Users\Admin\AppData\Local\Temp\d38337c22ba50c9f064ccb348439a030b78ea3348691d47db33e74f4338e04b8.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2240 wrote to memory of 1904 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2240 wrote to memory of 1904 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2240 wrote to memory of 1904 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2240 wrote to memory of 1904 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 1904 wrote to memory of 1600 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1904 wrote to memory of 1600 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1904 wrote to memory of 1600 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1904 wrote to memory of 1600 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\d38337c22ba50c9f064ccb348439a030b78ea3348691d47db33e74f4338e04b8.exe

"C:\Users\Admin\AppData\Local\Temp\d38337c22ba50c9f064ccb348439a030b78ea3348691d47db33e74f4338e04b8.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 35.91.124.102:80 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 0e89d29b955135582fe032ae0482c5c5
SHA1 8dae715664484a7fca2c247c347a13504afb24a0
SHA256 7551c09c571b5c26b241ce28e76aa7e09e22828b8f20fd7a2e7dd15c1e45f6fa
SHA512 b2ed104cf5552358b827b98ad36248e0dd297b6ec9b46a0dbee18fd5eb52a5aeeff96f2c05ad5e0fb07714dcf7c457b37d85df756afcaa65aca7e56781b2595a

\Windows\SysWOW64\omsecor.exe

MD5 9741a85dba7dd5e69d384baf407c7205
SHA1 4bb619b872c203374bf0bd78a0f7feca53798aae
SHA256 e9c738dd4bbf8a9ff2b91591c76e8f07933820d9e432e9d49741b79c46f4d19e
SHA512 f9d4e14b273b495bc5e6c5146c83824c9cd35d9e92a963e558d8a6a4626c08b61f10e2d07e07661dc4b2736e820d0a17695353881dcb97892f6d8a7b1c595048

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

MD5 cc384f0d5b415a2b786930865e987f8e
SHA1 0b88f89be38ccdd67f65a720e4729e02eb0c940a
SHA256 72b195dd69485eec3e7f4cca7e571fb7c791b7d98509bd3dcadbffa18f61f858
SHA512 4deaaa235e9bd35c2a3a249115f365f7b93eddd075a6b91465b3d9355a3e6fcd0f88d5876319eca8d39043b3376e01e39f81cabb55a86ed6285f07a231442544

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-23 03:29

Reported

2024-05-23 03:32

Platform

win10v2004-20240426-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d38337c22ba50c9f064ccb348439a030b78ea3348691d47db33e74f4338e04b8.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 opened for modification C:\Windows\SysWOW64\merocz.xc6 C:\Windows\SysWOW64\omsecor.exe N/A
File created C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d38337c22ba50c9f064ccb348439a030b78ea3348691d47db33e74f4338e04b8.exe

"C:\Users\Admin\AppData\Local\Temp\d38337c22ba50c9f064ccb348439a030b78ea3348691d47db33e74f4338e04b8.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 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 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 mkkuei4kdsz.com udp
US 64.225.91.73:80 mkkuei4kdsz.com tcp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 73.91.225.64.in-addr.arpa udp
US 8.8.8.8:53 ow5dirasuek.com udp
US 35.91.124.102:80 ow5dirasuek.com tcp
US 8.8.8.8:53 102.124.91.35.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
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 0e89d29b955135582fe032ae0482c5c5
SHA1 8dae715664484a7fca2c247c347a13504afb24a0
SHA256 7551c09c571b5c26b241ce28e76aa7e09e22828b8f20fd7a2e7dd15c1e45f6fa
SHA512 b2ed104cf5552358b827b98ad36248e0dd297b6ec9b46a0dbee18fd5eb52a5aeeff96f2c05ad5e0fb07714dcf7c457b37d85df756afcaa65aca7e56781b2595a

C:\Windows\SysWOW64\omsecor.exe

MD5 b435f9177d11d2dcecf375a292608172
SHA1 79cb07154195a8a8540b565b9af5cc8f5b0e07bd
SHA256 4c40c695442cbae019e6d37ed85a02c1802775f9eebcc8f62d4126c851db91db
SHA512 712da6fdb7ab0e8e67d86b6e3dd169de0c5461b42d8933f7ee047b11e25eecedf9c2f1c5fca6082af6470a47d6daee6b6d36d769e670d7b59e572ab89ddb0587