Malware Analysis Report

2024-09-11 08:40

Sample ID 240612-fh11vs1epl
Target d7fd283daa1f7d0fae9046435ec692c5a1e4bdca93307efff979b72ef20e24ae
SHA256 d7fd283daa1f7d0fae9046435ec692c5a1e4bdca93307efff979b72ef20e24ae
Tags
neconyd trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

d7fd283daa1f7d0fae9046435ec692c5a1e4bdca93307efff979b72ef20e24ae

Threat Level: Known bad

The file d7fd283daa1f7d0fae9046435ec692c5a1e4bdca93307efff979b72ef20e24ae was found to be: Known bad.

Malicious Activity Summary

neconyd trojan

Neconyd

Neconyd family

Executes dropped EXE

Loads dropped DLL

Drops file in System32 directory

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-12 04:53

Signatures

Neconyd family

neconyd

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-12 04:53

Reported

2024-06-12 04:55

Platform

win7-20240508-en

Max time kernel

146s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d7fd283daa1f7d0fae9046435ec692c5a1e4bdca93307efff979b72ef20e24ae.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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d7fd283daa1f7d0fae9046435ec692c5a1e4bdca93307efff979b72ef20e24ae.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\d7fd283daa1f7d0fae9046435ec692c5a1e4bdca93307efff979b72ef20e24ae.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\omsecor.exe N/A
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:\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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1580 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\d7fd283daa1f7d0fae9046435ec692c5a1e4bdca93307efff979b72ef20e24ae.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1580 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\d7fd283daa1f7d0fae9046435ec692c5a1e4bdca93307efff979b72ef20e24ae.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1580 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\d7fd283daa1f7d0fae9046435ec692c5a1e4bdca93307efff979b72ef20e24ae.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1580 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\d7fd283daa1f7d0fae9046435ec692c5a1e4bdca93307efff979b72ef20e24ae.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2652 wrote to memory of 868 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2652 wrote to memory of 868 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2652 wrote to memory of 868 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2652 wrote to memory of 868 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 868 wrote to memory of 688 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 868 wrote to memory of 688 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 868 wrote to memory of 688 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 868 wrote to memory of 688 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\d7fd283daa1f7d0fae9046435ec692c5a1e4bdca93307efff979b72ef20e24ae.exe

"C:\Users\Admin\AppData\Local\Temp\d7fd283daa1f7d0fae9046435ec692c5a1e4bdca93307efff979b72ef20e24ae.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
US 8.8.8.8:53 lousta.net udp
US 8.8.8.8:53 mkkuei4kdsz.com udp
US 8.8.8.8:53 ow5dirasuek.com udp
US 8.8.8.8:53 lousta.net udp
US 8.8.8.8:53 lousta.net udp
US 8.8.8.8:53 mkkuei4kdsz.com udp

Files

memory/1580-0-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 dc3d113247c3ce8123eaa923936460d1
SHA1 eb033d03ff2f7432076299b119c3c2db0fe7f612
SHA256 5a0b1326d75675986346db5ed25625fa71a43a1b83a7a63d94125c2179614ad5
SHA512 4a82bae20a19a33f17c61e2c43a741bf5c14fcffd40209897fef661f852516aa0a2f1f0c9deafc255da6967ce37a00d1d3d0bcbab0a57d79fee18ae8f0b201e6

memory/1580-10-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2652-12-0x0000000000400000-0x000000000042B000-memory.dmp

memory/1580-9-0x0000000000220000-0x000000000024B000-memory.dmp

memory/1580-8-0x0000000000220000-0x000000000024B000-memory.dmp

memory/2652-14-0x0000000000400000-0x000000000042B000-memory.dmp

\Windows\SysWOW64\omsecor.exe

MD5 5f75c640dd92df7777b2ea1d913486a3
SHA1 0cc000d161ac714f70738b6328f450ad9e3f4596
SHA256 7f30f553dd0dd73538bcbd85ede27bb84fed84788c5665f8ed46cb82dce3a4c7
SHA512 3988833d5223617f6ffc70ebe78b5396217df1e57a13f89ddf4973a04952e61cf3fe51fcdad329b0f994a7a55d5c96006d8bc46a1e8d151b6199fab1075546c7

memory/2652-17-0x0000000000810000-0x000000000083B000-memory.dmp

memory/2652-23-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 7fc4669d393a18c90b9b5858099f0aa9
SHA1 98e1a2593f08fe03cddc7ef09311d4dc61cc2928
SHA256 3dd18eaac34c24f7206dda3bc16b840215c3ce3118744e64111846925024bf81
SHA512 42b96dbdca328839298da6a6454c4cc49119dc0ddaa1d818250aa2d47cb276c9c4666570bcf5d45d957cdea8f035e590fa6fd7f903957dcfe4b6a1e721476526

memory/688-35-0x0000000000400000-0x000000000042B000-memory.dmp

memory/868-27-0x0000000000400000-0x000000000042B000-memory.dmp

memory/688-37-0x0000000000400000-0x000000000042B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-12 04:53

Reported

2024-06-12 04:55

Platform

win10v2004-20240226-en

Max time kernel

143s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d7fd283daa1f7d0fae9046435ec692c5a1e4bdca93307efff979b72ef20e24ae.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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3216 wrote to memory of 1668 N/A C:\Users\Admin\AppData\Local\Temp\d7fd283daa1f7d0fae9046435ec692c5a1e4bdca93307efff979b72ef20e24ae.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 3216 wrote to memory of 1668 N/A C:\Users\Admin\AppData\Local\Temp\d7fd283daa1f7d0fae9046435ec692c5a1e4bdca93307efff979b72ef20e24ae.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 3216 wrote to memory of 1668 N/A C:\Users\Admin\AppData\Local\Temp\d7fd283daa1f7d0fae9046435ec692c5a1e4bdca93307efff979b72ef20e24ae.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1668 wrote to memory of 3668 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 1668 wrote to memory of 3668 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 1668 wrote to memory of 3668 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\d7fd283daa1f7d0fae9046435ec692c5a1e4bdca93307efff979b72ef20e24ae.exe

"C:\Users\Admin\AppData\Local\Temp\d7fd283daa1f7d0fae9046435ec692c5a1e4bdca93307efff979b72ef20e24ae.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=3700 --field-trial-handle=3192,i,2785050981002401924,4037047756083432660,262144 --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 lousta.net udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 171.255.166.193.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 159.113.53.23.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 13.107.253.64:443 tcp
FI 193.166.255.171:80 lousta.net tcp
NL 52.142.223.178:80 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 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 8.8.8.8:53 229.198.34.52.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 208.143.182.52.in-addr.arpa udp

Files

memory/3216-0-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 dc3d113247c3ce8123eaa923936460d1
SHA1 eb033d03ff2f7432076299b119c3c2db0fe7f612
SHA256 5a0b1326d75675986346db5ed25625fa71a43a1b83a7a63d94125c2179614ad5
SHA512 4a82bae20a19a33f17c61e2c43a741bf5c14fcffd40209897fef661f852516aa0a2f1f0c9deafc255da6967ce37a00d1d3d0bcbab0a57d79fee18ae8f0b201e6

memory/1668-5-0x0000000000400000-0x000000000042B000-memory.dmp

memory/3216-6-0x0000000000400000-0x000000000042B000-memory.dmp

memory/1668-7-0x0000000000400000-0x000000000042B000-memory.dmp

C:\Windows\SysWOW64\omsecor.exe

MD5 efa71cb9ad8a61e610054887015740a3
SHA1 dabbefd99a1af75822e4df7d38dd133c72505264
SHA256 50278bf37d78e519739479949085e4109b5272460948d9bbb3e7b8958784bfce
SHA512 3f0ffb5a9f574ddac1721eaaaf8d0005ef54fc2a8b7b52394dab7ba3d6ffad0c910b15e91aa5267e8363ccdaedf042e56a37923d310e2d50ad06f9caa9bd4977

memory/3668-11-0x0000000000400000-0x000000000042B000-memory.dmp

memory/1668-13-0x0000000000400000-0x000000000042B000-memory.dmp

memory/3668-14-0x0000000000400000-0x000000000042B000-memory.dmp