Malware Analysis Report

2025-01-03 07:58

Sample ID 230428-3rwh3aah3w
Target 464-63-0x0000000000400000-0x0000000000654000-memory.dmp
SHA256 1a8be8bc190cc9a7cae29c0964376b4c0bcd61a1f9adbd06c7d1ff91f9e0395d
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

1a8be8bc190cc9a7cae29c0964376b4c0bcd61a1f9adbd06c7d1ff91f9e0395d

Threat Level: Known bad

The file 464-63-0x0000000000400000-0x0000000000654000-memory.dmp was found to be: Known bad.

Malicious Activity Summary

blustealer stealer

BluStealer

Blustealer family

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-04-28 23:45

Signatures

Blustealer family

blustealer

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-04-28 23:45

Reported

2023-04-28 23:47

Platform

win7-20230220-en

Max time kernel

28s

Max time network

31s

Command Line

"C:\Users\Admin\AppData\Local\Temp\464-63-0x0000000000400000-0x0000000000654000-memory.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\464-63-0x0000000000400000-0x0000000000654000-memory.exe

"C:\Users\Admin\AppData\Local\Temp\464-63-0x0000000000400000-0x0000000000654000-memory.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1340 -s 144

Network

N/A

Files

memory/1340-54-0x0000000000400000-0x0000000000654000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-04-28 23:45

Reported

2023-04-28 23:47

Platform

win10v2004-20230221-en

Max time kernel

110s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\464-63-0x0000000000400000-0x0000000000654000-memory.exe"

Signatures

BluStealer

stealer blustealer

Processes

C:\Users\Admin\AppData\Local\Temp\464-63-0x0000000000400000-0x0000000000654000-memory.exe

"C:\Users\Admin\AppData\Local\Temp\464-63-0x0000000000400000-0x0000000000654000-memory.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 176 -p 4656 -ip 4656

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4656 -s 408

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
IE 20.54.89.15:443 tcp
US 52.182.143.210:443 tcp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 2.36.159.162.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 233.141.123.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
NL 173.223.113.164:443 tcp
NL 173.223.113.131:80 tcp
US 204.79.197.203:80 tcp

Files

memory/4656-133-0x0000000000400000-0x0000000000654000-memory.dmp