Malware Analysis Report

2024-10-23 21:28

Sample ID 240417-rcq49aah95
Target fe4ed0e2c6d830596d168ee32dc8a44239ca1705635187f67a0e40234c0f4c14
SHA256 fe4ed0e2c6d830596d168ee32dc8a44239ca1705635187f67a0e40234c0f4c14
Tags
office04 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

fe4ed0e2c6d830596d168ee32dc8a44239ca1705635187f67a0e40234c0f4c14

Threat Level: Known bad

The file fe4ed0e2c6d830596d168ee32dc8a44239ca1705635187f67a0e40234c0f4c14 was found to be: Known bad.

Malicious Activity Summary

office04 quasar spyware trojan

Quasar family

Quasar payload

Quasar RAT

Looks up external IP address via web service

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-17 14:03

Signatures

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

2024-04-17 14:03

Reported

2024-04-17 14:06

Platform

win7-20240221-en

Max time kernel

131s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\83892117f96867db66c1e6676822a4c0d6691cde60449ee47457f4cc31410fce.exe"

Signatures

Quasar RAT

trojan spyware quasar

Quasar payload

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

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\83892117f96867db66c1e6676822a4c0d6691cde60449ee47457f4cc31410fce.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\83892117f96867db66c1e6676822a4c0d6691cde60449ee47457f4cc31410fce.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\83892117f96867db66c1e6676822a4c0d6691cde60449ee47457f4cc31410fce.exe

"C:\Users\Admin\AppData\Local\Temp\83892117f96867db66c1e6676822a4c0d6691cde60449ee47457f4cc31410fce.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 qztadmin.duckdns.org udp
CO 186.169.36.138:9782 qztadmin.duckdns.org tcp
CO 186.169.36.138:9782 qztadmin.duckdns.org tcp
CO 186.169.36.138:9782 qztadmin.duckdns.org tcp
US 8.8.8.8:53 qztadmin.duckdns.org udp
CO 186.169.36.138:9782 qztadmin.duckdns.org tcp
CO 186.169.36.138:9782 qztadmin.duckdns.org tcp
CO 186.169.36.138:9782 qztadmin.duckdns.org tcp

Files

memory/1648-0-0x00000000011E0000-0x000000000123E000-memory.dmp

memory/1648-1-0x0000000074D50000-0x000000007543E000-memory.dmp

memory/1648-2-0x0000000000C20000-0x0000000000C60000-memory.dmp

memory/1648-4-0x0000000074D50000-0x000000007543E000-memory.dmp

memory/1648-5-0x0000000000C20000-0x0000000000C60000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-17 14:03

Reported

2024-04-17 14:06

Platform

win10v2004-20240412-en

Max time kernel

147s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\83892117f96867db66c1e6676822a4c0d6691cde60449ee47457f4cc31410fce.exe"

Signatures

Quasar RAT

trojan spyware quasar

Quasar payload

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

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\83892117f96867db66c1e6676822a4c0d6691cde60449ee47457f4cc31410fce.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\83892117f96867db66c1e6676822a4c0d6691cde60449ee47457f4cc31410fce.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\83892117f96867db66c1e6676822a4c0d6691cde60449ee47457f4cc31410fce.exe

"C:\Users\Admin\AppData\Local\Temp\83892117f96867db66c1e6676822a4c0d6691cde60449ee47457f4cc31410fce.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 18.24.18.2.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 248.81.21.2.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 ip-api.com udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 qztadmin.duckdns.org udp
US 8.8.8.8:53 1.112.95.208.in-addr.arpa udp
CO 186.169.36.138:9782 qztadmin.duckdns.org tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
CO 186.169.36.138:9782 qztadmin.duckdns.org tcp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 24.139.73.23.in-addr.arpa udp
CO 186.169.36.138:9782 qztadmin.duckdns.org tcp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 qztadmin.duckdns.org udp
CO 186.169.36.138:9782 qztadmin.duckdns.org tcp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 202.142.123.92.in-addr.arpa udp
CO 186.169.36.138:9782 qztadmin.duckdns.org tcp
CO 186.169.36.138:9782 qztadmin.duckdns.org tcp
US 8.8.8.8:53 13.179.89.13.in-addr.arpa udp

Files

memory/5008-1-0x0000000075390000-0x0000000075B40000-memory.dmp

memory/5008-0-0x0000000000CE0000-0x0000000000D3E000-memory.dmp

memory/5008-2-0x0000000005BF0000-0x0000000006194000-memory.dmp

memory/5008-3-0x0000000005640000-0x00000000056D2000-memory.dmp

memory/5008-4-0x0000000003100000-0x0000000003110000-memory.dmp

memory/5008-5-0x00000000057E0000-0x0000000005846000-memory.dmp

memory/5008-6-0x0000000006540000-0x0000000006552000-memory.dmp

memory/5008-7-0x0000000006980000-0x00000000069BC000-memory.dmp

memory/5008-9-0x0000000006F00000-0x0000000006F0A000-memory.dmp

memory/5008-10-0x0000000075390000-0x0000000075B40000-memory.dmp

memory/5008-11-0x0000000003100000-0x0000000003110000-memory.dmp