Malware Analysis Report

2025-08-10 22:47

Sample ID 250127-sbp18svjhm
Target e4097944eaa0ec098ff4af9747b0fcfdf4fd17d1b693cb6d08016e83b11b4a24N.exe
SHA256 e4097944eaa0ec098ff4af9747b0fcfdf4fd17d1b693cb6d08016e83b11b4a24
Tags
berbew backdoor discovery
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

e4097944eaa0ec098ff4af9747b0fcfdf4fd17d1b693cb6d08016e83b11b4a24

Threat Level: Known bad

The file e4097944eaa0ec098ff4af9747b0fcfdf4fd17d1b693cb6d08016e83b11b4a24N.exe was found to be: Known bad.

Malicious Activity Summary

berbew backdoor discovery

Berbew

Berbew family

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-27 14:57

Signatures

Berbew family

berbew

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-27 14:57

Reported

2025-01-27 14:59

Platform

win7-20240903-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e4097944eaa0ec098ff4af9747b0fcfdf4fd17d1b693cb6d08016e83b11b4a24N.exe"

Signatures

Berbew

backdoor berbew

Berbew family

berbew

Processes

C:\Users\Admin\AppData\Local\Temp\e4097944eaa0ec098ff4af9747b0fcfdf4fd17d1b693cb6d08016e83b11b4a24N.exe

"C:\Users\Admin\AppData\Local\Temp\e4097944eaa0ec098ff4af9747b0fcfdf4fd17d1b693cb6d08016e83b11b4a24N.exe"

Network

N/A

Files

memory/2112-0-0x0000000000400000-0x000000000045B000-memory.dmp

memory/2112-1-0x0000000000400000-0x000000000045B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-27 14:57

Reported

2025-01-27 14:59

Platform

win10v2004-20241007-en

Max time kernel

91s

Max time network

92s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e4097944eaa0ec098ff4af9747b0fcfdf4fd17d1b693cb6d08016e83b11b4a24N.exe"

Signatures

Berbew

backdoor berbew

Berbew family

berbew

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\e4097944eaa0ec098ff4af9747b0fcfdf4fd17d1b693cb6d08016e83b11b4a24N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e4097944eaa0ec098ff4af9747b0fcfdf4fd17d1b693cb6d08016e83b11b4a24N.exe

"C:\Users\Admin\AppData\Local\Temp\e4097944eaa0ec098ff4af9747b0fcfdf4fd17d1b693cb6d08016e83b11b4a24N.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3580 -ip 3580

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3580 -s 220

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 167.173.78.104.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp

Files

memory/3580-0-0x0000000000400000-0x000000000045B000-memory.dmp

memory/3580-1-0x0000000000400000-0x000000000045B000-memory.dmp