Malware Analysis Report

2024-11-16 13:01

Sample ID 240524-etj12scg61
Target a429df49c86acbc085af51d9591e3124c756adad4a2b29439f03a73209cfe48d.exe
SHA256 a429df49c86acbc085af51d9591e3124c756adad4a2b29439f03a73209cfe48d
Tags
neconyd trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

a429df49c86acbc085af51d9591e3124c756adad4a2b29439f03a73209cfe48d

Threat Level: Known bad

The file a429df49c86acbc085af51d9591e3124c756adad4a2b29439f03a73209cfe48d.exe was found to be: Known bad.

Malicious Activity Summary

neconyd trojan

Neconyd

Neconyd family

Loads dropped DLL

Executes dropped EXE

Drops file in System32 directory

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-24 04:13

Signatures

Neconyd family

neconyd

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-24 04:13

Reported

2024-05-24 04:16

Platform

win10v2004-20240226-en

Max time kernel

141s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a429df49c86acbc085af51d9591e3124c756adad4a2b29439f03a73209cfe48d.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

Processes

C:\Users\Admin\AppData\Local\Temp\a429df49c86acbc085af51d9591e3124c756adad4a2b29439f03a73209cfe48d.exe

"C:\Users\Admin\AppData\Local\Temp\a429df49c86acbc085af51d9591e3124c756adad4a2b29439f03a73209cfe48d.exe"

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

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

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1324 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8

C:\Windows\SysWOW64\omsecor.exe

C:\Windows\System32\omsecor.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.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 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
GB 142.250.187.202:443 tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 0.205.248.87.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 73.91.225.64.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 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 229.198.34.52.in-addr.arpa 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 23.173.189.20.in-addr.arpa udp

Files

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

MD5 3274c97d92bdca57ce3954c6537bd592
SHA1 bacd49f80520e9a6e3f12447af870da379b525a3
SHA256 b189e640c0fc7b216bf31450974619656c10f72416d334eedf263fb51c864460
SHA512 0d14129bfe0f8f991b6a9bed0c2ce49eefa8e7a6a1e192bae499119d086c7b60c57a5c140a0adb3547c9dd1b8772ecd4f03abe2de3248e0e867fbe804c5f7fb8

C:\Windows\SysWOW64\omsecor.exe

MD5 d9fa43eee017c76ae92316e2c7ce6b0e
SHA1 e6a25bea094ec3e468b25da6f8056dd87e27cd16
SHA256 095bfb28f0a1fc75bf482d83ca53b9ba73d9305e672e110746daddbf734438b8
SHA512 38e9a065fec766daab5a02263e6e128c50dd13d0c1a16dcfa437d7a602166c8318c55ad5ecd45c4172a3e0bbdb9c61a7ed798253c1c2bea05cec24cfb6f3807b

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-24 04:13

Reported

2024-05-24 04:16

Platform

win7-20240508-en

Max time kernel

145s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a429df49c86acbc085af51d9591e3124c756adad4a2b29439f03a73209cfe48d.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 1704 wrote to memory of 2488 N/A C:\Users\Admin\AppData\Local\Temp\a429df49c86acbc085af51d9591e3124c756adad4a2b29439f03a73209cfe48d.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1704 wrote to memory of 2488 N/A C:\Users\Admin\AppData\Local\Temp\a429df49c86acbc085af51d9591e3124c756adad4a2b29439f03a73209cfe48d.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1704 wrote to memory of 2488 N/A C:\Users\Admin\AppData\Local\Temp\a429df49c86acbc085af51d9591e3124c756adad4a2b29439f03a73209cfe48d.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1704 wrote to memory of 2488 N/A C:\Users\Admin\AppData\Local\Temp\a429df49c86acbc085af51d9591e3124c756adad4a2b29439f03a73209cfe48d.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2488 wrote to memory of 2640 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2488 wrote to memory of 2640 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2488 wrote to memory of 2640 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2488 wrote to memory of 2640 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2640 wrote to memory of 1984 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2640 wrote to memory of 1984 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2640 wrote to memory of 1984 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2640 wrote to memory of 1984 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a429df49c86acbc085af51d9591e3124c756adad4a2b29439f03a73209cfe48d.exe

"C:\Users\Admin\AppData\Local\Temp\a429df49c86acbc085af51d9591e3124c756adad4a2b29439f03a73209cfe48d.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
US 64.225.91.73:80 mkkuei4kdsz.com tcp

Files

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

MD5 3274c97d92bdca57ce3954c6537bd592
SHA1 bacd49f80520e9a6e3f12447af870da379b525a3
SHA256 b189e640c0fc7b216bf31450974619656c10f72416d334eedf263fb51c864460
SHA512 0d14129bfe0f8f991b6a9bed0c2ce49eefa8e7a6a1e192bae499119d086c7b60c57a5c140a0adb3547c9dd1b8772ecd4f03abe2de3248e0e867fbe804c5f7fb8

\Windows\SysWOW64\omsecor.exe

MD5 8ae066743239ec4218d87606b4a0dc64
SHA1 9ba60d71ab01c08aeadf5fb5e61b0ffd55a1a6e8
SHA256 47a9e0863f23ab4a6dd721c97f9f3cad28a0570cbfe34ecd8b7df35e1f08f4b4
SHA512 5a83dc8df6024a04c61b0778651d03da7c5af2da8bf332cf8f081d09e6f44cd6f738a617194f2e805c2206a2a38edbca8b7ac24962342ce64a1c79cc187cfe0d

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

MD5 3a6e05d2a87373083ff9b22a0119f257
SHA1 25faebf17987f8e47af795f1f154d3cf88663224
SHA256 195a8aabc566d6427c8c36bba69272b43fb4ee471698ad02c7ab4d21342c5b11
SHA512 022708e25cea1b25e5b74514d09c9eef10c1d76b9ba18693cb3e0ae867ec7d23dade5fb6e4d18d617f6dbb89455c62594c413af9991ca5c22111ecc16bf21e42