Malware Analysis Report

2024-11-16 13:01

Sample ID 240520-ff57sscd64
Target fb499ec5c2e95098bb357a8709af4f1e7286225170151ee37ebdfc09159ced88
SHA256 fb499ec5c2e95098bb357a8709af4f1e7286225170151ee37ebdfc09159ced88
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

fb499ec5c2e95098bb357a8709af4f1e7286225170151ee37ebdfc09159ced88

Threat Level: Known bad

The file fb499ec5c2e95098bb357a8709af4f1e7286225170151ee37ebdfc09159ced88 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

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-20 04:49

Signatures

Neconyd family

neconyd

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-20 04:49

Reported

2024-05-20 04:52

Platform

win7-20240221-en

Max time kernel

145s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fb499ec5c2e95098bb357a8709af4f1e7286225170151ee37ebdfc09159ced88.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 2184 wrote to memory of 856 N/A C:\Users\Admin\AppData\Local\Temp\fb499ec5c2e95098bb357a8709af4f1e7286225170151ee37ebdfc09159ced88.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2184 wrote to memory of 856 N/A C:\Users\Admin\AppData\Local\Temp\fb499ec5c2e95098bb357a8709af4f1e7286225170151ee37ebdfc09159ced88.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2184 wrote to memory of 856 N/A C:\Users\Admin\AppData\Local\Temp\fb499ec5c2e95098bb357a8709af4f1e7286225170151ee37ebdfc09159ced88.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2184 wrote to memory of 856 N/A C:\Users\Admin\AppData\Local\Temp\fb499ec5c2e95098bb357a8709af4f1e7286225170151ee37ebdfc09159ced88.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 856 wrote to memory of 2904 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 856 wrote to memory of 2904 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 856 wrote to memory of 2904 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 856 wrote to memory of 2904 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2904 wrote to memory of 1608 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2904 wrote to memory of 1608 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2904 wrote to memory of 1608 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2904 wrote to memory of 1608 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\fb499ec5c2e95098bb357a8709af4f1e7286225170151ee37ebdfc09159ced88.exe

"C:\Users\Admin\AppData\Local\Temp\fb499ec5c2e95098bb357a8709af4f1e7286225170151ee37ebdfc09159ced88.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

memory/2184-1-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 44d3d34054a04ecd2cba9aa7220cb21e
SHA1 8c02b4a7302c883f2e42551e78ca13588c383cd8
SHA256 a1166d7ece5945db0a559a5f61b4320f17a066a88efcf877362ee2277d4707cd
SHA512 45f7671d0cb17c4ef6a983e8bf443d413057d3c47aaa08e5d37043bc0c8ed28d394af8b920f91c409145655a0cdeb1be6df4952fa58b88cfb7b7e65603d6e6c8

memory/856-9-0x0000000000400000-0x000000000042B000-memory.dmp

memory/856-11-0x0000000000400000-0x000000000042B000-memory.dmp

\Windows\SysWOW64\omsecor.exe

MD5 f3e765e587c29bb37dca6b6eec21d777
SHA1 223474df92609c4d6e58986e4206c34e9453007d
SHA256 7a191fecea9827a6c580b9bfa1d48609284e383e69132b7a8db409426cb97308
SHA512 8c59eee6ae85bd97a923f9327268dbba798d864110f482938699bd59acddafdfd55ee195015d33f94f8229e01efae02265c70367c67332dfd2f27c33d2c39bd2

memory/856-16-0x0000000000280000-0x00000000002AB000-memory.dmp

memory/856-22-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 37ea85be5d5536b9ab0f2321f899e3cd
SHA1 f5b0b84e8f3c6d7101f8ef8ab02043ed44507838
SHA256 0d0bd56b78867e500a01a23a90eaafd92a7f49541027381b57f25b64927b488d
SHA512 be089d941e00a2fe6ad5f66cacf5927265a5c3d553998a28e68459103c3ac390ddeb718c0417d5d922755fd79436bc7ca1c82b2224c0e9838a22416c9ea2d90c

memory/2904-28-0x00000000002A0000-0x00000000002CB000-memory.dmp

memory/2904-33-0x0000000000400000-0x000000000042B000-memory.dmp

memory/1608-36-0x0000000000400000-0x000000000042B000-memory.dmp

memory/1608-37-0x0000000000400000-0x000000000042B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-20 04:49

Reported

2024-05-20 04:52

Platform

win10v2004-20240508-en

Max time kernel

146s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fb499ec5c2e95098bb357a8709af4f1e7286225170151ee37ebdfc09159ced88.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\fb499ec5c2e95098bb357a8709af4f1e7286225170151ee37ebdfc09159ced88.exe

"C:\Users\Admin\AppData\Local\Temp\fb499ec5c2e95098bb357a8709af4f1e7286225170151ee37ebdfc09159ced88.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 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 233.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 240.221.184.93.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 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 73.91.225.64.in-addr.arpa udp
US 8.8.8.8:53 58.99.105.20.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 29.243.111.52.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 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 64.225.91.73:80 mkkuei4kdsz.com tcp

Files

memory/2216-0-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 44d3d34054a04ecd2cba9aa7220cb21e
SHA1 8c02b4a7302c883f2e42551e78ca13588c383cd8
SHA256 a1166d7ece5945db0a559a5f61b4320f17a066a88efcf877362ee2277d4707cd
SHA512 45f7671d0cb17c4ef6a983e8bf443d413057d3c47aaa08e5d37043bc0c8ed28d394af8b920f91c409145655a0cdeb1be6df4952fa58b88cfb7b7e65603d6e6c8

memory/2216-5-0x0000000000400000-0x000000000042B000-memory.dmp

memory/5040-6-0x0000000000400000-0x000000000042B000-memory.dmp

memory/5040-7-0x0000000000400000-0x000000000042B000-memory.dmp

C:\Windows\SysWOW64\omsecor.exe

MD5 fe14603f28fe438073656d794e1e6622
SHA1 3e8d96174a6dfdd82c73870729a325b30c29bba7
SHA256 be82b0c1c2a45865e0f9bed918b91431edf4be135e4079ed641e92ff28658fe9
SHA512 0b0e6978c01066899c8781c7f02a9d961069a8eddfb04b9213e1b3f1ebdc7ea9fd8b988ae2258e9f824c9af024d336708fd051277c225efa8f52397a9c6e2f9f

memory/3284-13-0x0000000000400000-0x000000000042B000-memory.dmp

memory/5040-12-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 587fbff0aceedaad6b6aa8941b9599ca
SHA1 69854975718f295b07bc639079ed807248ed73de
SHA256 29fb9aab5cc62a9b4c943e841dc9ddf4910f2e1419466825f0e74b8cc9589cd5
SHA512 5935a5f0026cfbef4507bf4e9aee11a290ea63a012e7e8993d9a2a8ed5a14d68e1534abfdf8ae9da95ed58891a82c35d7449d77302639b6360cfe3fab91e4a85

memory/3284-16-0x0000000000400000-0x000000000042B000-memory.dmp

memory/900-19-0x0000000000400000-0x000000000042B000-memory.dmp

memory/900-20-0x0000000000400000-0x000000000042B000-memory.dmp