Malware Analysis Report

2024-10-19 06:32

Sample ID 240628-nzmhss1blp
Target 73399ca48340bd7a31da27d573966f23371fe4ea82625ee3b7ce2772386b9e04
SHA256 73399ca48340bd7a31da27d573966f23371fe4ea82625ee3b7ce2772386b9e04
Tags
quasar newoffice 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

73399ca48340bd7a31da27d573966f23371fe4ea82625ee3b7ce2772386b9e04

Threat Level: Known bad

The file 73399ca48340bd7a31da27d573966f23371fe4ea82625ee3b7ce2772386b9e04 was found to be: Known bad.

Malicious Activity Summary

quasar newoffice spyware trojan

Quasar RAT

Quasar payload

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-28 11:50

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-28 11:50

Reported

2024-06-28 11:52

Platform

win10v2004-20240508-en

Max time kernel

93s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\73399ca48340bd7a31da27d573966f23371fe4ea82625ee3b7ce2772386b9e04.exe"

Signatures

Quasar RAT

trojan spyware quasar

Quasar payload

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\73399ca48340bd7a31da27d573966f23371fe4ea82625ee3b7ce2772386b9e04.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\73399ca48340bd7a31da27d573966f23371fe4ea82625ee3b7ce2772386b9e04.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\73399ca48340bd7a31da27d573966f23371fe4ea82625ee3b7ce2772386b9e04.exe

"C:\Users\Admin\AppData\Local\Temp\73399ca48340bd7a31da27d573966f23371fe4ea82625ee3b7ce2772386b9e04.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
HK 117.18.7.76:3782 tcp
US 8.8.8.8:53 ipwho.is udp
DE 195.201.57.90:443 ipwho.is tcp
US 8.8.8.8:53 76.7.18.117.in-addr.arpa udp
US 8.8.8.8:53 90.57.201.195.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

memory/1452-0-0x0000021CF2420000-0x0000021CF2745000-memory.dmp

memory/1452-1-0x0000021CF2420000-0x0000021CF2745000-memory.dmp

memory/1452-2-0x00007FFB42F03000-0x00007FFB42F05000-memory.dmp

memory/1452-3-0x0000021CF4F70000-0x0000021CF5294000-memory.dmp

memory/1452-4-0x00007FFB42F00000-0x00007FFB439C1000-memory.dmp

memory/1452-5-0x00007FFB42F00000-0x00007FFB439C1000-memory.dmp

memory/1452-6-0x00007FFB42F00000-0x00007FFB439C1000-memory.dmp

memory/1452-7-0x00007FFB42F00000-0x00007FFB439C1000-memory.dmp

memory/1452-8-0x0000021CF4500000-0x0000021CF4550000-memory.dmp

memory/1452-9-0x0000021CF5C00000-0x0000021CF5CB2000-memory.dmp

memory/1452-12-0x0000021CF4E30000-0x0000021CF4E42000-memory.dmp

memory/1452-13-0x0000021CF4ED0000-0x0000021CF4F0C000-memory.dmp

memory/1452-14-0x00007FFB42F03000-0x00007FFB42F05000-memory.dmp

memory/1452-15-0x00007FFB42F00000-0x00007FFB439C1000-memory.dmp

memory/1452-16-0x00007FFB42F00000-0x00007FFB439C1000-memory.dmp

memory/1452-17-0x00007FFB42F00000-0x00007FFB439C1000-memory.dmp

memory/1452-18-0x00007FFB42F00000-0x00007FFB439C1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-28 11:50

Reported

2024-06-28 11:52

Platform

win11-20240611-en

Max time kernel

148s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\73399ca48340bd7a31da27d573966f23371fe4ea82625ee3b7ce2772386b9e04.exe"

Signatures

Quasar RAT

trojan spyware quasar

Quasar payload

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\73399ca48340bd7a31da27d573966f23371fe4ea82625ee3b7ce2772386b9e04.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\73399ca48340bd7a31da27d573966f23371fe4ea82625ee3b7ce2772386b9e04.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\73399ca48340bd7a31da27d573966f23371fe4ea82625ee3b7ce2772386b9e04.exe

"C:\Users\Admin\AppData\Local\Temp\73399ca48340bd7a31da27d573966f23371fe4ea82625ee3b7ce2772386b9e04.exe"

Network

Country Destination Domain Proto
HK 117.18.7.76:3782 tcp
DE 195.201.57.90:443 ipwho.is tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 90.57.201.195.in-addr.arpa udp

Files

memory/2620-0-0x000001876F1C0000-0x000001876F4E5000-memory.dmp

memory/2620-1-0x000001876F1C0000-0x000001876F4E5000-memory.dmp

memory/2620-2-0x00007FFD6FD83000-0x00007FFD6FD85000-memory.dmp

memory/2620-3-0x0000018771E80000-0x00000187721A4000-memory.dmp

memory/2620-4-0x00007FFD6FD80000-0x00007FFD70842000-memory.dmp

memory/2620-5-0x00007FFD6FD80000-0x00007FFD70842000-memory.dmp

memory/2620-6-0x00007FFD6FD80000-0x00007FFD70842000-memory.dmp

memory/2620-7-0x00007FFD6FD80000-0x00007FFD70842000-memory.dmp

memory/2620-8-0x0000018771AF0000-0x0000018771B40000-memory.dmp

memory/2620-9-0x0000018771D80000-0x0000018771E32000-memory.dmp

memory/2620-12-0x0000018771C40000-0x0000018771C52000-memory.dmp

memory/2620-13-0x0000018771CC0000-0x0000018771CFC000-memory.dmp

memory/2620-14-0x00007FFD6FD83000-0x00007FFD6FD85000-memory.dmp

memory/2620-15-0x00007FFD6FD80000-0x00007FFD70842000-memory.dmp

memory/2620-16-0x00007FFD6FD80000-0x00007FFD70842000-memory.dmp

memory/2620-17-0x00007FFD6FD80000-0x00007FFD70842000-memory.dmp

memory/2620-18-0x00007FFD6FD80000-0x00007FFD70842000-memory.dmp