Malware Analysis Report

2024-11-16 13:01

Sample ID 240519-2e5ersea83
Target 668488d8e53fe8c3e1fff8d0025024a1a4608782b126382f1d29041f7f97fa23
SHA256 668488d8e53fe8c3e1fff8d0025024a1a4608782b126382f1d29041f7f97fa23
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

668488d8e53fe8c3e1fff8d0025024a1a4608782b126382f1d29041f7f97fa23

Threat Level: Known bad

The file 668488d8e53fe8c3e1fff8d0025024a1a4608782b126382f1d29041f7f97fa23 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

2024-05-19 22:30

Signatures

Neconyd family

neconyd

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-19 22:30

Reported

2024-05-19 22:33

Platform

win7-20240221-en

Max time kernel

120s

Max time network

130s

Command Line

"C:\Users\Admin\AppData\Local\Temp\668488d8e53fe8c3e1fff8d0025024a1a4608782b126382f1d29041f7f97fa23.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 1912 wrote to memory of 2576 N/A C:\Users\Admin\AppData\Local\Temp\668488d8e53fe8c3e1fff8d0025024a1a4608782b126382f1d29041f7f97fa23.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1912 wrote to memory of 2576 N/A C:\Users\Admin\AppData\Local\Temp\668488d8e53fe8c3e1fff8d0025024a1a4608782b126382f1d29041f7f97fa23.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1912 wrote to memory of 2576 N/A C:\Users\Admin\AppData\Local\Temp\668488d8e53fe8c3e1fff8d0025024a1a4608782b126382f1d29041f7f97fa23.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1912 wrote to memory of 2576 N/A C:\Users\Admin\AppData\Local\Temp\668488d8e53fe8c3e1fff8d0025024a1a4608782b126382f1d29041f7f97fa23.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2576 wrote to memory of 1016 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2576 wrote to memory of 1016 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2576 wrote to memory of 1016 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2576 wrote to memory of 1016 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 1016 wrote to memory of 2096 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1016 wrote to memory of 2096 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1016 wrote to memory of 2096 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1016 wrote to memory of 2096 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\668488d8e53fe8c3e1fff8d0025024a1a4608782b126382f1d29041f7f97fa23.exe

"C:\Users\Admin\AppData\Local\Temp\668488d8e53fe8c3e1fff8d0025024a1a4608782b126382f1d29041f7f97fa23.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
FI 193.166.255.171:80 lousta.net tcp
FI 193.166.255.171:80 lousta.net tcp

Files

memory/1912-0-0x0000000000400000-0x000000000042A000-memory.dmp

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

MD5 967fb98aba3fb7e9d8729fceee6ad210
SHA1 f29a856ec32285357ed5ccbeba1d03142a001825
SHA256 a65f620bd1fc4f28e92c585ef798b11e76d1bd4065a80e24fe5bd4e5b2ca3fbc
SHA512 c43ff7a0b146d9b96bc56aee82480486ffd7f31831098ac2b4db28ed45e64c2438f3a99e9ff7c93aff308fe9295f25aa04e68e4f843e4664ca8a6ebb6395d734

memory/2576-10-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1912-8-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2576-12-0x0000000000400000-0x000000000042A000-memory.dmp

\Windows\SysWOW64\omsecor.exe

MD5 c8609176c7cac557d0700c64044b2d57
SHA1 a3a83a154dcf8367c1ad5a6504ede8ada9ba60e1
SHA256 648a774740137c364c9dfbdd9ec57d15d11e9c9b975ef387860dccf9147c4d1d
SHA512 fe295d98a00445d905820ce518272db2f9a7b86f6b312e80ba624aef45a04159f4e0de5b820b3bfd1283a3c3ea8a0dcf9c2fa70ccafea436d3e89212505fe07c

memory/2576-21-0x0000000000400000-0x000000000042A000-memory.dmp

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

MD5 32dd0d6494acc78d4805d3c394eea867
SHA1 d835bc17f6b21162213f4a9c918d785abc4f9a93
SHA256 c15a0614489bb1eb9d118ed513cbca31edb689129bf59b370a2323350b6a8c65
SHA512 ff68caa595668793b6f1e6541f4db03167e4eb63cc5386a41e4d31eb4cafe7dd281be93d7026ba05951ea1aa1d20291a59b35e02c40481663427715fd0d5f9a0

memory/2096-33-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1016-31-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2576-15-0x0000000000280000-0x00000000002AA000-memory.dmp

memory/2096-35-0x0000000000400000-0x000000000042A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-19 22:30

Reported

2024-05-19 22:33

Platform

win10v2004-20240426-en

Max time kernel

146s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\668488d8e53fe8c3e1fff8d0025024a1a4608782b126382f1d29041f7f97fa23.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

Processes

C:\Users\Admin\AppData\Local\Temp\668488d8e53fe8c3e1fff8d0025024a1a4608782b126382f1d29041f7f97fa23.exe

"C:\Users\Admin\AppData\Local\Temp\668488d8e53fe8c3e1fff8d0025024a1a4608782b126382f1d29041f7f97fa23.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
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
BE 88.221.83.227:443 www.bing.com tcp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
BE 88.221.83.227:443 www.bing.com tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 227.83.221.88.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 mkkuei4kdsz.com udp
US 64.225.91.73:80 mkkuei4kdsz.com tcp
US 8.8.8.8:53 144.107.17.2.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 8.8.8.8:53 lousta.net udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 48.229.111.52.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 88.156.103.20.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 64.225.91.73:80 mkkuei4kdsz.com tcp

Files

memory/4016-1-0x0000000000400000-0x000000000042A000-memory.dmp

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

MD5 967fb98aba3fb7e9d8729fceee6ad210
SHA1 f29a856ec32285357ed5ccbeba1d03142a001825
SHA256 a65f620bd1fc4f28e92c585ef798b11e76d1bd4065a80e24fe5bd4e5b2ca3fbc
SHA512 c43ff7a0b146d9b96bc56aee82480486ffd7f31831098ac2b4db28ed45e64c2438f3a99e9ff7c93aff308fe9295f25aa04e68e4f843e4664ca8a6ebb6395d734

memory/4016-4-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1848-6-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1848-7-0x0000000000400000-0x000000000042A000-memory.dmp

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

MD5 471a54186f304e888e1cbc348fe47973
SHA1 677f2214e707647aa5c28b3e035c9d78c5039357
SHA256 c4ce6134c2a8185a5d2e5fb1471ba922f162d253a05bca8717ff0b49638e9e58
SHA512 0d23f52902d05be8838278fe6676b63c914157123f8ba54e3e9d7b511abf944d4bb8f3ac6efa429fa855c98517ad9be875845d59bdb943669603e40c77aa3f54

memory/3388-18-0x0000000000400000-0x000000000042A000-memory.dmp

memory/5056-17-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1848-12-0x0000000000400000-0x000000000042A000-memory.dmp

C:\Windows\SysWOW64\omsecor.exe

MD5 cf90b2244fe9a486b47dacec33833727
SHA1 5a940f1ed45cdcb8b2b3f071aebd19035144be6e
SHA256 4a99cc15081333621dfdf8ddbab324b80f238af513b1ad65758df5e856950f1d
SHA512 ef9de49c1c5f2bda951a026428b3d28aeaf48ed19b7f61af80f96282361e128efcf7160bf2515dbf1858025a1c907a30780af72a820fb12e342b9a58fcae1cf5

memory/5056-13-0x0000000000400000-0x000000000042A000-memory.dmp

memory/3388-20-0x0000000000400000-0x000000000042A000-memory.dmp