Malware Analysis Report

2025-01-03 07:45

Sample ID 230426-y1a69sde3z
Target 1252-63-0x0000000000400000-0x0000000000654000-memory.dmp
SHA256 e52445a9c1be8de0ff3a3d06d332f301df3c4eab1e036ae75a85ffc49bd1f2b7
Tags
blustealer stealer
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

e52445a9c1be8de0ff3a3d06d332f301df3c4eab1e036ae75a85ffc49bd1f2b7

Threat Level: Known bad

The file 1252-63-0x0000000000400000-0x0000000000654000-memory.dmp was found to be: Known bad.

Malicious Activity Summary

blustealer stealer

BluStealer

Blustealer family

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-04-26 20:14

Signatures

Blustealer family

blustealer

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-04-26 20:14

Reported

2023-04-26 20:17

Platform

win7-20230220-en

Max time kernel

30s

Max time network

34s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1252-63-0x0000000000400000-0x0000000000654000-memory.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\1252-63-0x0000000000400000-0x0000000000654000-memory.exe

"C:\Users\Admin\AppData\Local\Temp\1252-63-0x0000000000400000-0x0000000000654000-memory.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1236 -s 144

Network

N/A

Files

memory/1236-54-0x0000000000400000-0x0000000000654000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-04-26 20:14

Reported

2023-04-26 20:17

Platform

win10v2004-20230220-en

Max time kernel

135s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1252-63-0x0000000000400000-0x0000000000654000-memory.exe"

Signatures

BluStealer

stealer blustealer

Processes

C:\Users\Admin\AppData\Local\Temp\1252-63-0x0000000000400000-0x0000000000654000-memory.exe

"C:\Users\Admin\AppData\Local\Temp\1252-63-0x0000000000400000-0x0000000000654000-memory.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4176 -ip 4176

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4176 -s 412

Network

Country Destination Domain Proto
US 8.8.8.8:53 42.220.44.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 52.152.110.14:443 tcp
IE 13.69.239.72:443 tcp
US 52.152.110.14:443 tcp
US 8.8.8.8:53 63.13.109.52.in-addr.arpa udp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
NL 173.223.113.164:443 tcp
US 52.152.110.14:443 tcp
US 52.152.110.14:443 tcp
US 52.152.110.14:443 tcp
US 52.152.110.14:443 tcp

Files

memory/4176-133-0x0000000000400000-0x0000000000654000-memory.dmp