Malware Analysis Report

2024-11-16 12:58

Sample ID 240819-kgt85sxdll
Target 5ccdd452b15d8d13d4a14ba31f8f1240N.exe
SHA256 660a7afce6338968a621b18576514376c78c9c973c27b6369bb52faab6c4c494
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

660a7afce6338968a621b18576514376c78c9c973c27b6369bb52faab6c4c494

Threat Level: Known bad

The file 5ccdd452b15d8d13d4a14ba31f8f1240N.exe was found to be: Known bad.

Malicious Activity Summary

upx neconyd discovery trojan

Neconyd family

Neconyd

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

2024-08-19 08:34

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

2024-08-19 08:34

Reported

2024-08-19 08:36

Platform

win7-20240704-en

Max time kernel

16s

Max time network

18s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5ccdd452b15d8d13d4a14ba31f8f1240N.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\5ccdd452b15d8d13d4a14ba31f8f1240N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5ccdd452b15d8d13d4a14ba31f8f1240N.exe

"C:\Users\Admin\AppData\Local\Temp\5ccdd452b15d8d13d4a14ba31f8f1240N.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2240 -s 36

Network

N/A

Files

memory/2240-1-0x0000000000400000-0x000000000044F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-19 08:34

Reported

2024-08-19 08:36

Platform

win10v2004-20240802-en

Max time kernel

104s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5ccdd452b15d8d13d4a14ba31f8f1240N.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\5ccdd452b15d8d13d4a14ba31f8f1240N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5ccdd452b15d8d13d4a14ba31f8f1240N.exe

"C:\Users\Admin\AppData\Local\Temp\5ccdd452b15d8d13d4a14ba31f8f1240N.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1400 -ip 1400

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1400 -s 224

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.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
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/1400-0-0x0000000000400000-0x000000000044F000-memory.dmp

memory/1400-1-0x0000000000400000-0x000000000044F000-memory.dmp