Malware Analysis Report

2024-11-16 12:57

Sample ID 240816-t4k4esydmr
Target 1551e397032422b7be9f3acf6b493f80N.exe
SHA256 363398a090c54729e81564abed2726cad47a9c607d27b526b6234e34ada84b3c
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

363398a090c54729e81564abed2726cad47a9c607d27b526b6234e34ada84b3c

Threat Level: Known bad

The file 1551e397032422b7be9f3acf6b493f80N.exe was found to be: Known bad.

Malicious Activity Summary

upx neconyd discovery trojan

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

2024-08-16 16:36

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

2024-08-16 16:36

Reported

2024-08-16 16:38

Platform

win7-20240708-en

Max time kernel

16s

Max time network

17s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1551e397032422b7be9f3acf6b493f80N.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\1551e397032422b7be9f3acf6b493f80N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1551e397032422b7be9f3acf6b493f80N.exe

"C:\Users\Admin\AppData\Local\Temp\1551e397032422b7be9f3acf6b493f80N.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3060 -s 36

Network

N/A

Files

memory/3060-1-0x0000000000400000-0x000000000044F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-16 16:36

Reported

2024-08-16 16:38

Platform

win10v2004-20240802-en

Max time kernel

99s

Max time network

100s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1551e397032422b7be9f3acf6b493f80N.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\1551e397032422b7be9f3acf6b493f80N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1551e397032422b7be9f3acf6b493f80N.exe

"C:\Users\Admin\AppData\Local\Temp\1551e397032422b7be9f3acf6b493f80N.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1020 -ip 1020

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1020 -s 228

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp

Files

memory/1020-0-0x0000000000400000-0x000000000044F000-memory.dmp

memory/1020-1-0x0000000000400000-0x000000000044F000-memory.dmp