Malware Analysis Report

2024-10-19 06:32

Sample ID 240627-3v8b2asanm
Target Remove.bat
SHA256 bcc8bd5e2381123b28409b8281612d2f3be649e4d4b8d998a9e397db109f631d
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

bcc8bd5e2381123b28409b8281612d2f3be649e4d4b8d998a9e397db109f631d

Threat Level: Known bad

The file Remove.bat was found to be: Known bad.

Malicious Activity Summary

seroxen quasar spyware trojan

Quasar family

Quasar RAT

Quasar payload

Looks up external IP address via web service

Unsigned PE

Scheduled Task/Job: Scheduled Task

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-27 23:51

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 23:51

Reported

2024-06-27 23:53

Platform

win10v2004-20240611-en

Max time kernel

131s

Max time network

136s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Remove.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

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\Remove.exe N/A

Suspicious use of SetWindowsHookEx

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

Processes

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

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

C:\Windows\SysWOW64\schtasks.exe

"schtasks" /create /tn "Update32" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\Remove.exe" /rl HIGHEST /f

C:\Windows\SysWOW64\SCHTASKS.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
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 github.com udp
GB 20.26.156.215:443 github.com tcp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 1.112.95.208.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 147.185.221.20:47638 tcp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 215.156.26.20.in-addr.arpa udp
US 8.8.8.8:53 20.221.185.147.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
GB 20.26.156.215:443 github.com tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 35.15.31.184.in-addr.arpa udp
US 8.8.8.8:53 80.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/4860-0-0x00000000746CE000-0x00000000746CF000-memory.dmp

memory/4860-1-0x0000000000490000-0x00000000004FC000-memory.dmp

memory/4860-2-0x00000000054B0000-0x0000000005A54000-memory.dmp

memory/4860-3-0x0000000005020000-0x00000000050B2000-memory.dmp

memory/4860-4-0x00000000746C0000-0x0000000074E70000-memory.dmp

memory/4860-5-0x0000000004F00000-0x0000000004F66000-memory.dmp

memory/4860-6-0x0000000005460000-0x0000000005472000-memory.dmp

memory/4860-7-0x0000000006160000-0x000000000619C000-memory.dmp

memory/4860-9-0x0000000006760000-0x000000000676A000-memory.dmp

memory/4860-10-0x00000000746CE000-0x00000000746CF000-memory.dmp

memory/4860-12-0x00000000746C0000-0x0000000074E70000-memory.dmp