Malware Analysis Report

2024-11-16 12:59

Sample ID 240817-bklxhaycmc
Target ba597939b0c8b030f6c784f09b81ad20N.exe
SHA256 363cc808119ff6d73c47055c2b8a9cc97d8bfc8a873042aae1e3cc6c28e3b9f8
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

363cc808119ff6d73c47055c2b8a9cc97d8bfc8a873042aae1e3cc6c28e3b9f8

Threat Level: Known bad

The file ba597939b0c8b030f6c784f09b81ad20N.exe was found to be: Known bad.

Malicious Activity Summary

neconyd discovery trojan upx

Neconyd family

Neconyd

UPX packed file

System Location Discovery: System Language Discovery

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-17 01:12

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

2024-08-17 01:12

Reported

2024-08-17 01:14

Platform

win10v2004-20240802-en

Max time kernel

96s

Max time network

97s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ba597939b0c8b030f6c784f09b81ad20N.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\ba597939b0c8b030f6c784f09b81ad20N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ba597939b0c8b030f6c784f09b81ad20N.exe

"C:\Users\Admin\AppData\Local\Temp\ba597939b0c8b030f6c784f09b81ad20N.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4156 -ip 4156

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4156 -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 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.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 18.31.95.13.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 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

memory/4156-0-0x0000000000400000-0x000000000044F000-memory.dmp

memory/4156-1-0x0000000000400000-0x000000000044F000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-17 01:12

Reported

2024-08-17 01:14

Platform

win7-20240704-en

Max time kernel

31s

Max time network

17s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ba597939b0c8b030f6c784f09b81ad20N.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\ba597939b0c8b030f6c784f09b81ad20N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ba597939b0c8b030f6c784f09b81ad20N.exe

"C:\Users\Admin\AppData\Local\Temp\ba597939b0c8b030f6c784f09b81ad20N.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2872 -s 36

Network

N/A

Files

memory/2872-1-0x0000000000400000-0x000000000044F000-memory.dmp