Malware Analysis Report

2024-11-16 13:01

Sample ID 240523-z47v3sha22
Target 8b9b4d3c1585b27dace4029dca8f59a00d6462ca2ed404fa02ffdbb379cbdb5d.exe
SHA256 8b9b4d3c1585b27dace4029dca8f59a00d6462ca2ed404fa02ffdbb379cbdb5d
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

8b9b4d3c1585b27dace4029dca8f59a00d6462ca2ed404fa02ffdbb379cbdb5d

Threat Level: Known bad

The file 8b9b4d3c1585b27dace4029dca8f59a00d6462ca2ed404fa02ffdbb379cbdb5d.exe 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 21:17

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 21:17

Reported

2024-05-23 21:19

Platform

win7-20240508-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8b9b4d3c1585b27dace4029dca8f59a00d6462ca2ed404fa02ffdbb379cbdb5d.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 2176 wrote to memory of 848 N/A C:\Users\Admin\AppData\Local\Temp\8b9b4d3c1585b27dace4029dca8f59a00d6462ca2ed404fa02ffdbb379cbdb5d.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2176 wrote to memory of 848 N/A C:\Users\Admin\AppData\Local\Temp\8b9b4d3c1585b27dace4029dca8f59a00d6462ca2ed404fa02ffdbb379cbdb5d.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2176 wrote to memory of 848 N/A C:\Users\Admin\AppData\Local\Temp\8b9b4d3c1585b27dace4029dca8f59a00d6462ca2ed404fa02ffdbb379cbdb5d.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2176 wrote to memory of 848 N/A C:\Users\Admin\AppData\Local\Temp\8b9b4d3c1585b27dace4029dca8f59a00d6462ca2ed404fa02ffdbb379cbdb5d.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 848 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 848 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 848 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 848 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 3036 wrote to memory of 1716 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 3036 wrote to memory of 1716 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 3036 wrote to memory of 1716 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 3036 wrote to memory of 1716 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\8b9b4d3c1585b27dace4029dca8f59a00d6462ca2ed404fa02ffdbb379cbdb5d.exe

"C:\Users\Admin\AppData\Local\Temp\8b9b4d3c1585b27dace4029dca8f59a00d6462ca2ed404fa02ffdbb379cbdb5d.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

memory/2176-0-0x0000000000400000-0x000000000042A000-memory.dmp

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

MD5 6797ac655c89deea5493cb7d5a5f4d6e
SHA1 00f8c6819c8a90f8ee4f5e791ecb87197e81ea11
SHA256 99bbbc78b49e108b7afea1e0c903d0d4774d92669456e58f033e9e416b991271
SHA512 2612428d2a4ef1e171543cd84d91341ca0d0effcfd06b8354d07aebb4a2fb4055a111c890246ed06258c2ac8c82cf784779b3f93273ccb92a33fad0755cff488

memory/2176-8-0x0000000000400000-0x000000000042A000-memory.dmp

memory/848-10-0x0000000000400000-0x000000000042A000-memory.dmp

memory/848-12-0x0000000000400000-0x000000000042A000-memory.dmp

\Windows\SysWOW64\omsecor.exe

MD5 3b18cc3eb7d0a6c1a610d3fc8e1b8ece
SHA1 b238a0fbc28ed28901baa1cab8a59fadec1d6828
SHA256 78bfe5e1215159b42f641f5024c5a6b4323ff5a9f656f06ecf1d05fff2fad35b
SHA512 c15601d7182e67b88ec24754971c9d03c56d506413eb06a413d808733408aa471f78b0be0fda8e8972be10ad9c4e34cc094b432c85ec0071095e6b01a3353fb1

memory/848-17-0x0000000000390000-0x00000000003BA000-memory.dmp

memory/848-23-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1716-35-0x0000000000400000-0x000000000042A000-memory.dmp

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

MD5 aabc8b785b48dd0ca353df2f5ac1459b
SHA1 dbbcf22a9451313ec27d4aba11802cfd8aa1bae0
SHA256 635e7ebd0e8a28a153dd70a349b9c058399f35d3ce453fe1e9ad072387ede6ae
SHA512 9f25f6b6e203235c357b94f360961148e2534423228fc0c3f6c0efd496eac2c3fb16e4f411e50c394f3f8cdeb6463aaceceac11f7196d27394588f589771ae93

memory/3036-33-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1716-37-0x0000000000400000-0x000000000042A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-23 21:17

Reported

2024-05-23 21:20

Platform

win10v2004-20240226-en

Max time kernel

142s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8b9b4d3c1585b27dace4029dca8f59a00d6462ca2ed404fa02ffdbb379cbdb5d.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\8b9b4d3c1585b27dace4029dca8f59a00d6462ca2ed404fa02ffdbb379cbdb5d.exe

"C:\Users\Admin\AppData\Local\Temp\8b9b4d3c1585b27dace4029dca8f59a00d6462ca2ed404fa02ffdbb379cbdb5d.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=4340 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --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 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
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 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 73.91.225.64.in-addr.arpa udp
US 8.8.8.8:53 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 8.8.8.8:53 249.138.73.23.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 13.73.50.20.in-addr.arpa udp

Files

memory/4888-0-0x0000000000400000-0x000000000042A000-memory.dmp

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

MD5 6797ac655c89deea5493cb7d5a5f4d6e
SHA1 00f8c6819c8a90f8ee4f5e791ecb87197e81ea11
SHA256 99bbbc78b49e108b7afea1e0c903d0d4774d92669456e58f033e9e416b991271
SHA512 2612428d2a4ef1e171543cd84d91341ca0d0effcfd06b8354d07aebb4a2fb4055a111c890246ed06258c2ac8c82cf784779b3f93273ccb92a33fad0755cff488

memory/4004-4-0x0000000000400000-0x000000000042A000-memory.dmp

memory/4888-6-0x0000000000400000-0x000000000042A000-memory.dmp

memory/4004-7-0x0000000000400000-0x000000000042A000-memory.dmp

memory/3180-11-0x0000000000400000-0x000000000042A000-memory.dmp

C:\Windows\SysWOW64\omsecor.exe

MD5 3937c43beb91517c9a18be48baebce47
SHA1 4249ffe9811610250ae1c9ed57b2ced4da483d89
SHA256 33c76664958ea31b53430be1d99b037b8070ab5bd9e614d7c99f35765e7bf23e
SHA512 e715f597fe66d9244cb87a4aec2df0e41de8a903f8d3bf2a1601a0bc66c4293af112fe99b8329894c0750eecf6e06c8d62a6d71cd120643d4288afc8cebfbdd6

memory/4004-13-0x0000000000400000-0x000000000042A000-memory.dmp

memory/3180-14-0x0000000000400000-0x000000000042A000-memory.dmp