Malware Analysis Report

2025-01-18 04:18

Sample ID 240101-ajddasbbg4
Target binggo.exe
SHA256 fb9851c55cf1b38c16336e7bf2a27baf53f148b9349221c30a5964e0f9f4dfb9
Tags
office04 quasar spyware trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

fb9851c55cf1b38c16336e7bf2a27baf53f148b9349221c30a5964e0f9f4dfb9

Threat Level: Known bad

The file binggo.exe was found to be: Known bad.

Malicious Activity Summary

office04 quasar spyware trojan

Quasar family

Quasar RAT

Quasar payload

Executes dropped EXE

Checks computer location settings

Unsigned PE

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

Suspicious use of SendNotifyMessage

Creates scheduled task(s)

Runs ping.exe

Suspicious use of FindShellTrayWindow

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-01 00:14

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

2024-01-01 00:14

Reported

2024-01-01 00:17

Platform

win10v2004-20231215-en

Max time kernel

145s

Max time network

154s

Command Line

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

Signatures

Quasar RAT

trojan spyware quasar

Quasar payload

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Roaming\SubDir\Client.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\SubDir\Client.exe N/A

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SYSTEM32\schtasks.exe N/A
N/A N/A C:\Windows\SYSTEM32\schtasks.exe N/A

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\system32\PING.EXE N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\binggo.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\SubDir\Client.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\SubDir\Client.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4764 wrote to memory of 1856 N/A C:\Users\Admin\AppData\Local\Temp\binggo.exe C:\Windows\SYSTEM32\schtasks.exe
PID 4764 wrote to memory of 1856 N/A C:\Users\Admin\AppData\Local\Temp\binggo.exe C:\Windows\SYSTEM32\schtasks.exe
PID 4764 wrote to memory of 4048 N/A C:\Users\Admin\AppData\Local\Temp\binggo.exe C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
PID 4764 wrote to memory of 4048 N/A C:\Users\Admin\AppData\Local\Temp\binggo.exe C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
PID 4048 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Roaming\SubDir\Client.exe C:\Windows\SYSTEM32\schtasks.exe
PID 4048 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Roaming\SubDir\Client.exe C:\Windows\SYSTEM32\schtasks.exe
PID 4048 wrote to memory of 4412 N/A C:\Users\Admin\AppData\Roaming\SubDir\Client.exe C:\Windows\SYSTEM32\schtasks.exe
PID 4048 wrote to memory of 4412 N/A C:\Users\Admin\AppData\Roaming\SubDir\Client.exe C:\Windows\SYSTEM32\schtasks.exe
PID 4048 wrote to memory of 3876 N/A C:\Users\Admin\AppData\Roaming\SubDir\Client.exe C:\Windows\system32\cmd.exe
PID 4048 wrote to memory of 3876 N/A C:\Users\Admin\AppData\Roaming\SubDir\Client.exe C:\Windows\system32\cmd.exe
PID 3876 wrote to memory of 4848 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\chcp.com
PID 3876 wrote to memory of 4848 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\chcp.com
PID 3876 wrote to memory of 3376 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\PING.EXE
PID 3876 wrote to memory of 3376 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\PING.EXE

Uses Task Scheduler COM API

persistence

Processes

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

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

C:\Windows\SYSTEM32\schtasks.exe

"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f

C:\Users\Admin\AppData\Roaming\SubDir\Client.exe

"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"

C:\Windows\SYSTEM32\schtasks.exe

"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f

C:\Windows\SYSTEM32\schtasks.exe

"schtasks" /delete /tn "Quasar Client Startup" /f

C:\Windows\system32\PING.EXE

ping -n 10 localhost

C:\Windows\system32\chcp.com

chcp 65001

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\pmHbxgjSmzIj.bat" "

Network

Country Destination Domain Proto
US 8.8.8.8:53 4.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 147.185.221.17:56251 tcp
US 8.8.8.8:53 130.211.222.173.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 138.91.171.81:80 tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 how-additional.gl.at.ply.gg udp
US 147.185.221.17:56251 how-additional.gl.at.ply.gg tcp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 104.241.123.92.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 17.ip.gl.ply.gg udp
US 147.185.221.17:56258 17.ip.gl.ply.gg tcp
US 8.8.8.8:53 17.221.185.147.in-addr.arpa udp
US 8.8.8.8:53 ipwho.is udp
DE 195.201.57.90:443 ipwho.is tcp
US 8.8.8.8:53 211.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 90.57.201.195.in-addr.arpa udp
US 8.8.8.8:53 32.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 211.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
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 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 udp
N/A 20.223.35.26:443 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp

Files

memory/4764-0-0x00000000002D0000-0x00000000005F4000-memory.dmp

memory/4764-1-0x00007FFD88CC0000-0x00007FFD89781000-memory.dmp

memory/4764-2-0x000000001B210000-0x000000001B220000-memory.dmp

C:\Users\Admin\AppData\Roaming\SubDir\Client.exe

MD5 c214ecc5641207cfbe4029de8eca7af4
SHA1 f82b6683681721c4f225a20a04a7afdddf4a2848
SHA256 49976aed1bb99a26896040c6278427dd1f39e7f525989f7b2059552c92e3d4a0
SHA512 39880e62d3140df113a3500c41191ec6a5368daf92d3802f7457f18f66fafcbaa2c85d54f451703ef81655c0fd4ecb339ad4b8c357c8f7cc22f69b28bede50d0

memory/4048-9-0x00007FFD88CC0000-0x00007FFD89781000-memory.dmp

memory/4764-8-0x00007FFD88CC0000-0x00007FFD89781000-memory.dmp

memory/4048-10-0x000000001BC90000-0x000000001BCA0000-memory.dmp

memory/4048-11-0x000000001C820000-0x000000001C870000-memory.dmp

memory/4048-12-0x000000001C930000-0x000000001C9E2000-memory.dmp

memory/4048-13-0x00007FFD88CC0000-0x00007FFD89781000-memory.dmp

memory/4048-14-0x000000001BC90000-0x000000001BCA0000-memory.dmp

memory/4048-18-0x000000001D130000-0x000000001D16C000-memory.dmp

memory/4048-17-0x000000001C8A0000-0x000000001C8B2000-memory.dmp

memory/4048-19-0x000000001D470000-0x000000001D619000-memory.dmp

memory/4048-27-0x00007FFD88CC0000-0x00007FFD89781000-memory.dmp

memory/4048-25-0x000000001D470000-0x000000001D619000-memory.dmp