Malware Analysis Report

2025-04-14 04:54

Sample ID 241213-hndhvstjbm
Target IMVU dinero ilimitado.exe
SHA256 3581567130d8c7081fcb2f9c51e066487c7da1d62833169817725ae57874a243
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

3581567130d8c7081fcb2f9c51e066487c7da1d62833169817725ae57874a243

Threat Level: Known bad

The file IMVU dinero ilimitado.exe was found to be: Known bad.

Malicious Activity Summary

office04 quasar spyware trojan

Quasar family

Quasar payload

Quasar RAT

Executes dropped EXE

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Uses Task Scheduler COM API

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Scheduled Task/Job: Scheduled Task

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-13 06:52

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

2024-12-13 06:52

Reported

2024-12-13 06:52

Platform

win10ltsc2021-20241211-en

Max time kernel

11s

Max time network

12s

Command Line

"C:\Users\Admin\AppData\Local\Temp\IMVU dinero ilimitado.exe"

Signatures

Quasar RAT

trojan spyware quasar

Quasar family

quasar

Quasar payload

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

Executes dropped EXE

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

Scheduled Task/Job: Scheduled Task

persistence execution
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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IMVU dinero ilimitado.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\SubDir\WindowsUpdate.exe N/A

Suspicious use of SetWindowsHookEx

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

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\IMVU dinero ilimitado.exe

"C:\Users\Admin\AppData\Local\Temp\IMVU dinero ilimitado.exe"

C:\Windows\SYSTEM32\schtasks.exe

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

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

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

C:\Windows\SYSTEM32\schtasks.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 azxq0ap.localto.net udp
US 23.158.232.33:3425 azxq0ap.localto.net tcp
US 8.8.8.8:53 ipwho.is udp
DE 195.201.57.90:443 ipwho.is tcp
US 8.8.8.8:53 33.232.158.23.in-addr.arpa udp
US 8.8.8.8:53 90.57.201.195.in-addr.arpa udp

Files

memory/4084-0-0x00007FFECBC63000-0x00007FFECBC65000-memory.dmp

memory/4084-1-0x0000000000820000-0x0000000000B72000-memory.dmp

memory/4084-2-0x00007FFECBC60000-0x00007FFECC722000-memory.dmp

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

MD5 a6b8a25d0eeac0fe978cc16a1e377e37
SHA1 dae6ed3a24af41e4247872f718b0e1bb0dcc7bff
SHA256 3581567130d8c7081fcb2f9c51e066487c7da1d62833169817725ae57874a243
SHA512 7dd56e27b1f112df4f4ca6e6f9846848d50496d78cdfcc913f0179c39a21c57b0a04bffabe9c1d1c85fcfda79e2ec0bd55aa38537e8325b7073970d6ede59713

memory/4416-6-0x00007FFECBC60000-0x00007FFECC722000-memory.dmp

memory/4084-5-0x00007FFECBC60000-0x00007FFECC722000-memory.dmp

memory/4416-7-0x00007FFECBC60000-0x00007FFECC722000-memory.dmp

memory/4416-8-0x000000001C280000-0x000000001C2D0000-memory.dmp

memory/4416-9-0x000000001C390000-0x000000001C442000-memory.dmp

memory/4416-10-0x000000001C230000-0x000000001C242000-memory.dmp

memory/4416-11-0x000000001C310000-0x000000001C34C000-memory.dmp

memory/4416-12-0x00007FFECBC60000-0x00007FFECC722000-memory.dmp

memory/4416-13-0x00007FFECBC60000-0x00007FFECC722000-memory.dmp