Malware Analysis Report

2025-06-16 05:31

Sample ID 240314-2yv1fabg89
Target bb004c673ce411201dd96cf3ca45337b2f423195bc464b923d92fa3694e0bc64
SHA256 bb004c673ce411201dd96cf3ca45337b2f423195bc464b923d92fa3694e0bc64
Tags
quasar spyware trojan
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

bb004c673ce411201dd96cf3ca45337b2f423195bc464b923d92fa3694e0bc64

Threat Level: Known bad

The file bb004c673ce411201dd96cf3ca45337b2f423195bc464b923d92fa3694e0bc64 was found to be: Known bad.

Malicious Activity Summary

quasar spyware trojan

Quasar RAT

Quasar payload

Detects executables containing base64 encoded User Agent

Quasar family

Detects executables containing base64 encoded User Agent

Unsigned PE

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-14 22:59

Signatures

Detects executables containing base64 encoded User Agent

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

Quasar family

quasar

Quasar payload

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

2024-03-14 22:59

Reported

2024-03-14 23:02

Platform

win7-20240221-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bb004c673ce411201dd96cf3ca45337b2f423195bc464b923d92fa3694e0bc64.exe"

Signatures

Quasar RAT

trojan spyware quasar

Quasar payload

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

Detects executables containing base64 encoded User Agent

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bb004c673ce411201dd96cf3ca45337b2f423195bc464b923d92fa3694e0bc64.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bb004c673ce411201dd96cf3ca45337b2f423195bc464b923d92fa3694e0bc64.exe

"C:\Users\Admin\AppData\Local\Temp\bb004c673ce411201dd96cf3ca45337b2f423195bc464b923d92fa3694e0bc64.exe"

Network

Country Destination Domain Proto
N/A 192.168.1.56:4782 tcp
N/A 192.168.1.56:4782 tcp
N/A 192.168.1.56:4782 tcp
N/A 192.168.1.56:4782 tcp
N/A 192.168.1.56:4782 tcp
N/A 192.168.1.56:4782 tcp
N/A 192.168.1.56:4782 tcp

Files

memory/2452-0-0x0000000000C70000-0x0000000000FF0000-memory.dmp

memory/2452-1-0x000007FEF57A0000-0x000007FEF618C000-memory.dmp

memory/2452-2-0x000000001B110000-0x000000001B190000-memory.dmp

memory/2452-3-0x000007FEF57A0000-0x000007FEF618C000-memory.dmp

memory/2452-4-0x000000001B110000-0x000000001B190000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-14 22:59

Reported

2024-03-14 23:02

Platform

win10v2004-20240226-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bb004c673ce411201dd96cf3ca45337b2f423195bc464b923d92fa3694e0bc64.exe"

Signatures

Quasar RAT

trojan spyware quasar

Quasar payload

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

Detects executables containing base64 encoded User Agent

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bb004c673ce411201dd96cf3ca45337b2f423195bc464b923d92fa3694e0bc64.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bb004c673ce411201dd96cf3ca45337b2f423195bc464b923d92fa3694e0bc64.exe

"C:\Users\Admin\AppData\Local\Temp\bb004c673ce411201dd96cf3ca45337b2f423195bc464b923d92fa3694e0bc64.exe"

Network

Country Destination Domain Proto
N/A 192.168.1.56:4782 tcp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 45.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 100.5.17.2.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
N/A 192.168.1.56:4782 tcp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 55.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 211.135.221.88.in-addr.arpa udp
NL 52.142.223.178:80 tcp
N/A 192.168.1.56:4782 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
N/A 192.168.1.56:4782 tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
N/A 192.168.1.56:4782 tcp
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
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
N/A 192.168.1.56:4782 tcp
N/A 192.168.1.56:4782 tcp

Files

memory/4832-0-0x0000000000470000-0x00000000007F0000-memory.dmp

memory/4832-1-0x00007FFABF1B0000-0x00007FFABFC71000-memory.dmp

memory/4832-2-0x000000001B5D0000-0x000000001B5E0000-memory.dmp

memory/4832-3-0x000000001B7E0000-0x000000001B830000-memory.dmp

memory/4832-4-0x000000001B8F0000-0x000000001B9A2000-memory.dmp

memory/4832-5-0x00007FFABF1B0000-0x00007FFABFC71000-memory.dmp