Malware Analysis Report

2024-11-16 12:57

Sample ID 240817-k4t7naxgng
Target db7fd9d0c2d889846bada4b4a8834fc0N.exe
SHA256 9f50f624547e4e800737e131524259ee09c6454e1821de6c34aadf1d58029cd6
Tags
upx neconyd discovery trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

9f50f624547e4e800737e131524259ee09c6454e1821de6c34aadf1d58029cd6

Threat Level: Known bad

The file db7fd9d0c2d889846bada4b4a8834fc0N.exe was found to be: Known bad.

Malicious Activity Summary

upx neconyd discovery trojan

Neconyd

Neconyd family

UPX packed file

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-17 09:09

Signatures

Neconyd family

neconyd

UPX packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-17 09:09

Reported

2024-08-17 09:11

Platform

win7-20240704-en

Max time kernel

119s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\db7fd9d0c2d889846bada4b4a8834fc0N.exe"

Signatures

Neconyd

trojan neconyd

UPX packed file

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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\db7fd9d0c2d889846bada4b4a8834fc0N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\db7fd9d0c2d889846bada4b4a8834fc0N.exe

"C:\Users\Admin\AppData\Local\Temp\db7fd9d0c2d889846bada4b4a8834fc0N.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2420 -s 36

Network

N/A

Files

memory/2420-1-0x0000000000400000-0x000000000044F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-17 09:09

Reported

2024-08-17 09:11

Platform

win10v2004-20240802-en

Max time kernel

103s

Max time network

104s

Command Line

"C:\Users\Admin\AppData\Local\Temp\db7fd9d0c2d889846bada4b4a8834fc0N.exe"

Signatures

Neconyd

trojan neconyd

UPX packed file

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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\db7fd9d0c2d889846bada4b4a8834fc0N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\db7fd9d0c2d889846bada4b4a8834fc0N.exe

"C:\Users\Admin\AppData\Local\Temp\db7fd9d0c2d889846bada4b4a8834fc0N.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2152 -ip 2152

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2152 -s 224

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.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 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/2152-0-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2152-1-0x0000000000400000-0x000000000044F000-memory.dmp