Malware Analysis Report

2024-10-23 19:04

Sample ID 240629-xxakwsteqc
Target TestforKio.exe
SHA256 e775b42335e7764a5bf9e695f68272c68fc68de16d20bd3b11af95632edcfc5b
Tags
quasar zzzz spyware stealer 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

e775b42335e7764a5bf9e695f68272c68fc68de16d20bd3b11af95632edcfc5b

Threat Level: Known bad

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

Malicious Activity Summary

quasar zzzz spyware stealer trojan

Quasar family

Quasar RAT

Quasar payload

Reads WinSCP keys stored on the system

Reads user/profile data of web browsers

Legitimate hosting services abused for malware hosting/C2

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Runs ping.exe

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-29 19:13

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

2024-06-29 19:13

Reported

2024-06-29 19:16

Platform

win11-20240611-en

Max time kernel

90s

Max time network

94s

Command Line

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

Signatures

Quasar RAT

trojan spyware quasar

Quasar payload

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

Reads WinSCP keys stored on the system

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A 8.tcp.ngrok.io N/A N/A

Enumerates physical storage devices

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\TestforKio.exe N/A

Suspicious use of SetWindowsHookEx

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2888 wrote to memory of 456 N/A C:\Users\Admin\AppData\Local\Temp\TestforKio.exe C:\Windows\system32\cmd.exe
PID 2888 wrote to memory of 456 N/A C:\Users\Admin\AppData\Local\Temp\TestforKio.exe C:\Windows\system32\cmd.exe
PID 456 wrote to memory of 4748 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\chcp.com
PID 456 wrote to memory of 4748 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\chcp.com
PID 456 wrote to memory of 2400 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\PING.EXE
PID 456 wrote to memory of 2400 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\PING.EXE

Processes

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

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

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9RmSfPkLQZwh.bat" "

C:\Windows\system32\chcp.com

chcp 65001

C:\Windows\system32\PING.EXE

ping -n 10 localhost

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.tcp.ngrok.io udp
US 3.142.167.4:18001 8.tcp.ngrok.io tcp
DE 195.201.57.90:443 ipwho.is tcp
US 8.8.8.8:53 90.57.201.195.in-addr.arpa udp
US 3.142.167.4:18001 8.tcp.ngrok.io tcp
US 3.142.167.4:18001 8.tcp.ngrok.io tcp

Files

memory/2888-0-0x00007FFB5DF03000-0x00007FFB5DF05000-memory.dmp

memory/2888-1-0x0000000000350000-0x0000000000674000-memory.dmp

memory/2888-2-0x00007FFB5DF00000-0x00007FFB5E9C2000-memory.dmp

memory/2888-3-0x000000001BBA0000-0x000000001BBF0000-memory.dmp

memory/2888-4-0x000000001BCB0000-0x000000001BD62000-memory.dmp

memory/2888-7-0x000000001BC20000-0x000000001BC32000-memory.dmp

memory/2888-8-0x000000001C6C0000-0x000000001C6FC000-memory.dmp

memory/2888-9-0x00007FFB5DF03000-0x00007FFB5DF05000-memory.dmp

memory/2888-10-0x00007FFB5DF00000-0x00007FFB5E9C2000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\9RmSfPkLQZwh.bat

MD5 24321d9b49b2ec4fd081311d089e7bbf
SHA1 7dddb53cde368c35da47a261e28ffd91b4886954
SHA256 ece59d3f00b238ef13f359f16c874f0c6b5acaf3d3b3b26f364a77c08ad0befc
SHA512 981f810080f8bbd7f5450b6a1960e58572935e53222a1603f8f56e56350a78f04d557cdad86658042868133590bf1fee2a62e3688a0e74006198b4d9f5c57d44

memory/2888-16-0x00007FFB5DF00000-0x00007FFB5E9C2000-memory.dmp