Malware Analysis Report

2025-08-11 02:00

Sample ID 240509-d33n3sgc7t
Target e02812b194b10cf235ad607cd7136d00_NEIKI
SHA256 38bcf03076a1739ccd1c21dd369e622a334e0df14aa66532463cbba73b3fb54f
Tags
backdoor trojan dropper berbew
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

38bcf03076a1739ccd1c21dd369e622a334e0df14aa66532463cbba73b3fb54f

Threat Level: Known bad

The file e02812b194b10cf235ad607cd7136d00_NEIKI was found to be: Known bad.

Malicious Activity Summary

backdoor trojan dropper berbew

Malware Dropper & Backdoor - Berbew

Berbew family

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-09 03:32

Signatures

Berbew family

berbew

Malware Dropper & Backdoor - Berbew

backdoor trojan dropper
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

2024-05-09 03:32

Reported

2024-05-09 03:35

Platform

win7-20240508-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e02812b194b10cf235ad607cd7136d00_NEIKI.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\e02812b194b10cf235ad607cd7136d00_NEIKI.exe

"C:\Users\Admin\AppData\Local\Temp\e02812b194b10cf235ad607cd7136d00_NEIKI.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2928 -s 36

Network

N/A

Files

memory/2928-0-0x0000000000400000-0x000000000043F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-09 03:32

Reported

2024-05-09 03:35

Platform

win10v2004-20240426-en

Max time kernel

141s

Max time network

108s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e02812b194b10cf235ad607cd7136d00_NEIKI.exe"

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e02812b194b10cf235ad607cd7136d00_NEIKI.exe

"C:\Users\Admin\AppData\Local\Temp\e02812b194b10cf235ad607cd7136d00_NEIKI.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3956 -ip 3956

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3956 -s 232

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
BE 88.221.83.187:443 www.bing.com tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 187.83.221.88.in-addr.arpa udp
BE 88.221.83.187:443 www.bing.com tcp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.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 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp

Files

memory/3956-0-0x0000000000400000-0x000000000043F000-memory.dmp