Malware Analysis Report

2024-11-16 12:59

Sample ID 240817-lh58gasamr
Target 3e3fa0e04bcf2b77e3648e6255a4e6b0N.exe
SHA256 6e3e8d35ccae4dc4f6c99f32be7e0edfaf13280a29147d20d7a4f0ef7325255b
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: 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

6e3e8d35ccae4dc4f6c99f32be7e0edfaf13280a29147d20d7a4f0ef7325255b

Threat Level: Known bad

The file 3e3fa0e04bcf2b77e3648e6255a4e6b0N.exe was found to be: Known bad.

Malicious Activity Summary

neconyd discovery trojan upx

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 09:33

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 09:33

Reported

2024-08-17 09:35

Platform

win7-20240704-en

Max time kernel

22s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3e3fa0e04bcf2b77e3648e6255a4e6b0N.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\3e3fa0e04bcf2b77e3648e6255a4e6b0N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3e3fa0e04bcf2b77e3648e6255a4e6b0N.exe

"C:\Users\Admin\AppData\Local\Temp\3e3fa0e04bcf2b77e3648e6255a4e6b0N.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2720 -s 36

Network

N/A

Files

memory/2720-1-0x0000000000400000-0x000000000044F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-17 09:33

Reported

2024-08-17 09:35

Platform

win10v2004-20240802-en

Max time kernel

101s

Max time network

102s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3e3fa0e04bcf2b77e3648e6255a4e6b0N.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\3e3fa0e04bcf2b77e3648e6255a4e6b0N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3e3fa0e04bcf2b77e3648e6255a4e6b0N.exe

"C:\Users\Admin\AppData\Local\Temp\3e3fa0e04bcf2b77e3648e6255a4e6b0N.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4664 -ip 4664

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4664 -s 224

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.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 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.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/4664-0-0x0000000000400000-0x000000000044F000-memory.dmp

memory/4664-1-0x0000000000400000-0x000000000044F000-memory.dmp