Malware Analysis Report

2024-10-19 06:32

Sample ID 240627-2ynlcswgla
Target Rat remove.bat
SHA256 a003924092f4eed3281ccd3f82d95548a809a09436ee07b01b6d738a7c1f809d
Tags
seroxen 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

a003924092f4eed3281ccd3f82d95548a809a09436ee07b01b6d738a7c1f809d

Threat Level: Known bad

The file Rat remove.bat was found to be: Known bad.

Malicious Activity Summary

seroxen quasar spyware trojan

Quasar RAT

Quasar family

Quasar payload

Checks computer location settings

Looks up external IP address via web service

Unsigned PE

Enumerates physical storage devices

Scheduled Task/Job: Scheduled Task

Suspicious use of WriteProcessMemory

Runs ping.exe

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-27 22:59

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

2024-06-27 22:59

Reported

2024-06-27 23:02

Platform

win10v2004-20240611-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Rat remove.exe"

Signatures

Quasar RAT

trojan spyware quasar

Quasar payload

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\Rat remove.exe N/A

Looks up external IP address via web service

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

Enumerates physical storage devices

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A
N/A N/A C:\Windows\SysWOW64\SCHTASKS.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of SetWindowsHookEx

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5004 wrote to memory of 740 N/A C:\Users\Admin\AppData\Local\Temp\Rat remove.exe C:\Windows\SysWOW64\schtasks.exe
PID 5004 wrote to memory of 740 N/A C:\Users\Admin\AppData\Local\Temp\Rat remove.exe C:\Windows\SysWOW64\schtasks.exe
PID 5004 wrote to memory of 740 N/A C:\Users\Admin\AppData\Local\Temp\Rat remove.exe C:\Windows\SysWOW64\schtasks.exe
PID 5004 wrote to memory of 3492 N/A C:\Users\Admin\AppData\Local\Temp\Rat remove.exe C:\Windows\SysWOW64\schtasks.exe
PID 5004 wrote to memory of 3492 N/A C:\Users\Admin\AppData\Local\Temp\Rat remove.exe C:\Windows\SysWOW64\schtasks.exe
PID 5004 wrote to memory of 3492 N/A C:\Users\Admin\AppData\Local\Temp\Rat remove.exe C:\Windows\SysWOW64\schtasks.exe
PID 5004 wrote to memory of 4080 N/A C:\Users\Admin\AppData\Local\Temp\Rat remove.exe C:\Windows\SysWOW64\cmd.exe
PID 5004 wrote to memory of 4080 N/A C:\Users\Admin\AppData\Local\Temp\Rat remove.exe C:\Windows\SysWOW64\cmd.exe
PID 5004 wrote to memory of 4080 N/A C:\Users\Admin\AppData\Local\Temp\Rat remove.exe C:\Windows\SysWOW64\cmd.exe
PID 4080 wrote to memory of 4824 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 4080 wrote to memory of 4824 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 4080 wrote to memory of 4824 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 4080 wrote to memory of 2756 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 4080 wrote to memory of 2756 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 4080 wrote to memory of 2756 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 5004 wrote to memory of 4136 N/A C:\Users\Admin\AppData\Local\Temp\Rat remove.exe C:\Windows\SysWOW64\SCHTASKS.exe
PID 5004 wrote to memory of 4136 N/A C:\Users\Admin\AppData\Local\Temp\Rat remove.exe C:\Windows\SysWOW64\SCHTASKS.exe
PID 5004 wrote to memory of 4136 N/A C:\Users\Admin\AppData\Local\Temp\Rat remove.exe C:\Windows\SysWOW64\SCHTASKS.exe

Processes

C:\Users\Admin\AppData\Local\Temp\Rat remove.exe

"C:\Users\Admin\AppData\Local\Temp\Rat remove.exe"

C:\Windows\SysWOW64\schtasks.exe

"schtasks" /create /tn "Windows Defender Anti-Malware Disable Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\Rat remove.exe" /rl HIGHEST /f

C:\Windows\SysWOW64\schtasks.exe

"schtasks" /delete /tn "Windows Defender Anti-Malware Disable Startup" /f

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\KCD6eaFyephK.bat" "

C:\Windows\SysWOW64\chcp.com

chcp 65001

C:\Windows\SysWOW64\PING.EXE

ping -n 10 localhost

C:\Windows\SysWOW64\SCHTASKS.exe

"SCHTASKS.exe" /create /tn "$77Rat remove.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\Rat remove.exe'" /sc onlogon /rl HIGHEST

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 ip-api.com udp
US 8.8.8.8:53 g.bing.com udp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 github.com udp
US 8.8.8.8:53 1.112.95.208.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 147.185.221.20:47638 tcp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 20.221.185.147.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
GB 20.26.156.215:443 github.com tcp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 215.156.26.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 35.15.31.184.in-addr.arpa udp
US 147.185.221.20:47638 tcp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 github.com udp
GB 20.26.156.215:443 github.com tcp
US 8.8.8.8:53 udp

Files

memory/5004-0-0x00000000751DE000-0x00000000751DF000-memory.dmp

memory/5004-1-0x00000000003F0000-0x000000000045C000-memory.dmp

memory/5004-2-0x00000000053F0000-0x0000000005994000-memory.dmp

memory/5004-3-0x0000000004E40000-0x0000000004ED2000-memory.dmp

memory/5004-4-0x00000000751D0000-0x0000000075980000-memory.dmp

memory/5004-5-0x0000000004F70000-0x0000000004FD6000-memory.dmp

memory/5004-6-0x0000000005CC0000-0x0000000005CD2000-memory.dmp

memory/5004-7-0x0000000006200000-0x000000000623C000-memory.dmp

memory/5004-8-0x0000000006630000-0x000000000663A000-memory.dmp

memory/5004-10-0x00000000751DE000-0x00000000751DF000-memory.dmp

memory/5004-11-0x00000000751D0000-0x0000000075980000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\KCD6eaFyephK.bat

MD5 f1bd35827fbb8eb1d811e4f220a0fab7
SHA1 5f8da21f02f50db692ed4aeef8902d15be6759c5
SHA256 44e55090488a6aac5b6f1d6cbe3ea0b5ab62df7989411f83a8c79414fbcdd7e2
SHA512 4ad8e10ff454d5bc65085876c93311c0824e43ebbad169af4469820944758e3947999f84a72d42c4e529fba313f6712073358425d98e129e1d47b594b561c951

memory/5004-17-0x00000000751D0000-0x0000000075980000-memory.dmp