Malware Analysis Report

2024-09-11 08:37

Sample ID 240608-3ahwmsaf46
Target 50278bf37d78e519739479949085e4109b5272460948d9bbb3e7b8958784bfce
SHA256 50278bf37d78e519739479949085e4109b5272460948d9bbb3e7b8958784bfce
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

50278bf37d78e519739479949085e4109b5272460948d9bbb3e7b8958784bfce

Threat Level: Known bad

The file 50278bf37d78e519739479949085e4109b5272460948d9bbb3e7b8958784bfce was found to be: Known bad.

Malicious Activity Summary

neconyd trojan

Neconyd family

Neconyd

Loads dropped DLL

Executes dropped EXE

Drops file in System32 directory

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-08 23:18

Signatures

Neconyd family

neconyd

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-08 23:18

Reported

2024-06-08 23:30

Platform

win7-20231129-en

Max time kernel

146s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\50278bf37d78e519739479949085e4109b5272460948d9bbb3e7b8958784bfce.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\50278bf37d78e519739479949085e4109b5272460948d9bbb3e7b8958784bfce.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\50278bf37d78e519739479949085e4109b5272460948d9bbb3e7b8958784bfce.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 836 wrote to memory of 2328 N/A C:\Users\Admin\AppData\Local\Temp\50278bf37d78e519739479949085e4109b5272460948d9bbb3e7b8958784bfce.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 836 wrote to memory of 2328 N/A C:\Users\Admin\AppData\Local\Temp\50278bf37d78e519739479949085e4109b5272460948d9bbb3e7b8958784bfce.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 836 wrote to memory of 2328 N/A C:\Users\Admin\AppData\Local\Temp\50278bf37d78e519739479949085e4109b5272460948d9bbb3e7b8958784bfce.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 836 wrote to memory of 2328 N/A C:\Users\Admin\AppData\Local\Temp\50278bf37d78e519739479949085e4109b5272460948d9bbb3e7b8958784bfce.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2328 wrote to memory of 2012 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2328 wrote to memory of 2012 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2328 wrote to memory of 2012 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2328 wrote to memory of 2012 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2012 wrote to memory of 1208 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2012 wrote to memory of 1208 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2012 wrote to memory of 1208 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2012 wrote to memory of 1208 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\50278bf37d78e519739479949085e4109b5272460948d9bbb3e7b8958784bfce.exe

"C:\Users\Admin\AppData\Local\Temp\50278bf37d78e519739479949085e4109b5272460948d9bbb3e7b8958784bfce.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/836-0-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 2e3a04c7437f52b16f134cf7a56f2961
SHA1 bc2dc3ce8cbae3f2625c4dea1b12f81468f5c3a1
SHA256 16eecd31e364d097bac9c975f13f6163b2a80cf251364561a6c1cab33ee10db0
SHA512 2db0788feb00a4170d7cb080b5677c5fa7baa19dc1d8ca624cd85de200452a06f86592eec3e061c81bc278f4e4528847c40c877430d4d0b7da2d45dba04b8c62

memory/836-8-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2328-11-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2328-12-0x0000000000400000-0x000000000042B000-memory.dmp

\Windows\SysWOW64\omsecor.exe

MD5 7efd26ec4108afa01250afd06d682c3d
SHA1 44ff2eff77391e73eba0c8cb74da133b89958ffb
SHA256 feb7729122bbf01e151cdb2b9707df3edfcf34ce091f4cc54e1cb0c045fa623d
SHA512 51d2c2976fab4404d454ea5dcf3bae1d472d483d92e848adeb48f95469dbec9bf13c5c6a608cf15df35825b5803c0a69032c2e61e7171815233f510855c8d7cd

memory/2328-17-0x0000000000430000-0x000000000045B000-memory.dmp

memory/2328-24-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2012-25-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 04ff573ba6d9fd30e5a5f9abcf496c18
SHA1 87d29bf1c23c07be06698bc965fbeb3c736be88c
SHA256 3f1266d33a12b1d265026c21bd232edf25565714192187d88b0390ca93305941
SHA512 0ccab192cf9cb28fab20a2802ff5d933c4bbdc57e1a95d4aa5ca7694f291d7350ab07bbf1fce8f0e6e2b9eef0f38e10d1cd49ac352961bd767f7234920754720

memory/1208-36-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2012-34-0x0000000000400000-0x000000000042B000-memory.dmp

memory/1208-38-0x0000000000400000-0x000000000042B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-08 23:18

Reported

2024-06-08 23:30

Platform

win10v2004-20240508-en

Max time kernel

145s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\50278bf37d78e519739479949085e4109b5272460948d9bbb3e7b8958784bfce.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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1448 wrote to memory of 5104 N/A C:\Users\Admin\AppData\Local\Temp\50278bf37d78e519739479949085e4109b5272460948d9bbb3e7b8958784bfce.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1448 wrote to memory of 5104 N/A C:\Users\Admin\AppData\Local\Temp\50278bf37d78e519739479949085e4109b5272460948d9bbb3e7b8958784bfce.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1448 wrote to memory of 5104 N/A C:\Users\Admin\AppData\Local\Temp\50278bf37d78e519739479949085e4109b5272460948d9bbb3e7b8958784bfce.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 5104 wrote to memory of 816 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 5104 wrote to memory of 816 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 5104 wrote to memory of 816 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\50278bf37d78e519739479949085e4109b5272460948d9bbb3e7b8958784bfce.exe

"C:\Users\Admin\AppData\Local\Temp\50278bf37d78e519739479949085e4109b5272460948d9bbb3e7b8958784bfce.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

Network

Country Destination Domain Proto
US 8.8.8.8:53 lousta.net udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 142.53.16.96.in-addr.arpa udp
US 8.8.8.8:53 mkkuei4kdsz.com udp
US 64.225.91.73:80 mkkuei4kdsz.com tcp
US 8.8.8.8:53 240.221.184.93.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
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/1448-1-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 2e3a04c7437f52b16f134cf7a56f2961
SHA1 bc2dc3ce8cbae3f2625c4dea1b12f81468f5c3a1
SHA256 16eecd31e364d097bac9c975f13f6163b2a80cf251364561a6c1cab33ee10db0
SHA512 2db0788feb00a4170d7cb080b5677c5fa7baa19dc1d8ca624cd85de200452a06f86592eec3e061c81bc278f4e4528847c40c877430d4d0b7da2d45dba04b8c62

memory/5104-5-0x0000000000400000-0x000000000042B000-memory.dmp

memory/5104-6-0x0000000000400000-0x000000000042B000-memory.dmp

C:\Windows\SysWOW64\omsecor.exe

MD5 4a556c31348147f486aeb974128aaafb
SHA1 9177e7b4e3c7f0068418b0a9489cbe408becbc0d
SHA256 eb4a836eb58e64d0c0adce053c304509df64ddc3b627009882579c80a1ef4bb6
SHA512 399260c9be7c3ae9e5831584b0b1dbb4bb0a6c43f303bc4a99684ba0e01cc120d5b3a2847e7250be516ce0aea8d887a6d7573d022c302878463c4952f4115405

memory/816-11-0x0000000000400000-0x000000000042B000-memory.dmp

memory/5104-10-0x0000000000400000-0x000000000042B000-memory.dmp

memory/816-13-0x0000000000400000-0x000000000042B000-memory.dmp