Malware Analysis Report

2024-11-16 12:58

Sample ID 240819-pg85hsxarm
Target dcf223799ce125ff5c558098b9129290N.exe
SHA256 440fb2220a4cafea2dedec4bb511663e68092a1a0b42590d53950544d04f6f61
Tags
neconyd discovery trojan upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

440fb2220a4cafea2dedec4bb511663e68092a1a0b42590d53950544d04f6f61

Threat Level: Known bad

The file dcf223799ce125ff5c558098b9129290N.exe was found to be: Known bad.

Malicious Activity Summary

neconyd discovery trojan upx

Neconyd

Neconyd family

UPX packed file

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-19 12:19

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: behavioral2

Detonation Overview

Submitted

2024-08-19 12:19

Reported

2024-08-19 12:21

Platform

win10v2004-20240802-en

Max time kernel

103s

Max time network

105s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dcf223799ce125ff5c558098b9129290N.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\dcf223799ce125ff5c558098b9129290N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\dcf223799ce125ff5c558098b9129290N.exe

"C:\Users\Admin\AppData\Local\Temp\dcf223799ce125ff5c558098b9129290N.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 352 -p 1196 -ip 1196

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1196 -s 224

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp

Files

memory/1196-0-0x0000000000400000-0x000000000044F000-memory.dmp

memory/1196-1-0x0000000000400000-0x000000000044F000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-19 12:19

Reported

2024-08-19 12:21

Platform

win7-20240704-en

Max time kernel

118s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dcf223799ce125ff5c558098b9129290N.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\dcf223799ce125ff5c558098b9129290N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\dcf223799ce125ff5c558098b9129290N.exe

"C:\Users\Admin\AppData\Local\Temp\dcf223799ce125ff5c558098b9129290N.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2056 -s 36

Network

N/A

Files

memory/2056-1-0x0000000000400000-0x000000000044F000-memory.dmp