Malware Analysis Report

2024-10-19 06:32

Sample ID 240627-2wk3fswerf
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 SetWindowsHookEx

Suspicious use of WriteProcessMemory

Runs ping.exe

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-27 22:55

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 22:55

Reported

2024-06-27 22:58

Platform

win10v2004-20240611-en

Max time kernel

148s

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-1-5-21-4204450073-1267028356-951339405-1000\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 1276 wrote to memory of 3396 N/A C:\Users\Admin\AppData\Local\Temp\Rat remove.exe C:\Windows\SysWOW64\schtasks.exe
PID 1276 wrote to memory of 3396 N/A C:\Users\Admin\AppData\Local\Temp\Rat remove.exe C:\Windows\SysWOW64\schtasks.exe
PID 1276 wrote to memory of 3396 N/A C:\Users\Admin\AppData\Local\Temp\Rat remove.exe C:\Windows\SysWOW64\schtasks.exe
PID 1276 wrote to memory of 5020 N/A C:\Users\Admin\AppData\Local\Temp\Rat remove.exe C:\Windows\SysWOW64\schtasks.exe
PID 1276 wrote to memory of 5020 N/A C:\Users\Admin\AppData\Local\Temp\Rat remove.exe C:\Windows\SysWOW64\schtasks.exe
PID 1276 wrote to memory of 5020 N/A C:\Users\Admin\AppData\Local\Temp\Rat remove.exe C:\Windows\SysWOW64\schtasks.exe
PID 1276 wrote to memory of 2260 N/A C:\Users\Admin\AppData\Local\Temp\Rat remove.exe C:\Windows\SysWOW64\cmd.exe
PID 1276 wrote to memory of 2260 N/A C:\Users\Admin\AppData\Local\Temp\Rat remove.exe C:\Windows\SysWOW64\cmd.exe
PID 1276 wrote to memory of 2260 N/A C:\Users\Admin\AppData\Local\Temp\Rat remove.exe C:\Windows\SysWOW64\cmd.exe
PID 2260 wrote to memory of 4276 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 2260 wrote to memory of 4276 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 2260 wrote to memory of 4276 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 2260 wrote to memory of 4076 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2260 wrote to memory of 4076 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2260 wrote to memory of 4076 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1276 wrote to memory of 4480 N/A C:\Users\Admin\AppData\Local\Temp\Rat remove.exe C:\Windows\SysWOW64\SCHTASKS.exe
PID 1276 wrote to memory of 4480 N/A C:\Users\Admin\AppData\Local\Temp\Rat remove.exe C:\Windows\SysWOW64\SCHTASKS.exe
PID 1276 wrote to memory of 4480 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\KwAG0zFFvTWu.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 23.159.190.20.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 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 github.com udp
US 147.185.221.20:47638 tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 1.112.95.208.in-addr.arpa udp
GB 20.26.156.215:443 github.com tcp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 20.221.185.147.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 215.156.26.20.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.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 80.90.14.23.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 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp

Files

memory/1276-0-0x000000007469E000-0x000000007469F000-memory.dmp

memory/1276-1-0x0000000000120000-0x000000000018C000-memory.dmp

memory/1276-2-0x00000000050A0000-0x0000000005644000-memory.dmp

memory/1276-3-0x0000000004BA0000-0x0000000004C32000-memory.dmp

memory/1276-4-0x0000000074690000-0x0000000074E40000-memory.dmp

memory/1276-5-0x0000000004C40000-0x0000000004CA6000-memory.dmp

memory/1276-6-0x00000000059F0000-0x0000000005A02000-memory.dmp

memory/1276-7-0x0000000005F30000-0x0000000005F6C000-memory.dmp

memory/1276-8-0x0000000006360000-0x000000000636A000-memory.dmp

memory/1276-10-0x000000007469E000-0x000000007469F000-memory.dmp

memory/1276-11-0x0000000074690000-0x0000000074E40000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\KwAG0zFFvTWu.bat

MD5 e7dbf79e696c2577d6f01f1ff81bd528
SHA1 54bcbd0020ad44e8742ba12d96676f158a6fe46f
SHA256 a4390db30166f944329bcc7567a97f77b6076e91b42353add4cfce250ce82141
SHA512 e266a31c4c73f06088dda5658b8b8bbb7ee0814899f3308d5a73f272b72bbc51493e5eca445e730d916b184f8e9dfa50c6d75ca9bbb706c3520a742b0a91e7a0

memory/1276-17-0x0000000074690000-0x0000000074E40000-memory.dmp

C:\Users\Admin\AppData\Roaming\Logs\06-27-~1

MD5 d8d86a1db5cf6c66133aa2b81ab2c2ad
SHA1 1cc50c45b4ad894c60f9ef450c0c2fad57eea0d0
SHA256 87d807d620068668f2a3d588c0c27cc5f7efac870f275452b4ff9c833ea38cde
SHA512 0bb29dbbe7c88ba68fd2515d7b2f6aa4c9c8108039fb1308cec8c58f3d3e68d9b7130b643f872361569d1ea102dd2fc24bf16ee945f154a4662b57cd31c4efd6