quasar | e041e66e2ae3d5f3788712173628f211d4ac597071a9724035655e3d5812f632 | Triage

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Overview

overview

Static

static

Client-built.exe

windows7-x64

Client-built.exe

windows10-2004-x64

Sharing

General

Target

Client-built.exe
Size

3.1MB
Sample

241204-1zdl4stlhs
MD5

afbe43a1d3e9986c5a72a9d7dc2db574
SHA1

21ef2f45fd401a680094ee78d4429338aebd53fa
SHA256

e041e66e2ae3d5f3788712173628f211d4ac597071a9724035655e3d5812f632
SHA512

03d734318c8fff5a3a6d30601bcfd35f6ce95f8a32f7f095f103464551b7afdaf22f3a98aaa1ac7c35a53058db85455250d9ecfcb65521de138f88377c80b5a4
SSDEEP

49152:/vblL26AaNeWgPhlmVqvMQ7XSKCkbQMoGdv5THHB72eh2NT:/vBL26AaNeWgPhlmVqkQ7XSKCkbd

Score

10^/10

quasar office04 spyware trojan

Static task

static1

office04 quasar

3 signatures

Behavioral task

behavioral1

Sample

Client-built.exe

Resource

win7-20240903-en

quasar office04 spyware trojan

windows7-x64

12 signatures

150 seconds

Behavioral task

behavioral2

Sample

Client-built.exe

Resource

win10v2004-20241007-en

quasar office04 spyware trojan

windows10-2004-x64

12 signatures

150 seconds

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

traffic-appointed.gl.at.ply.gg:15980

Mutex

a1cf046f-88d0-4438-ba9e-206f45ca6749

Attributes

encryption_key
F426A0AAE097F6C161D9B012687B93AED480E211
install_name
Client.exe
log_directory
Logs
reconnect_delay
3000
startup_key
Quasar Client Startup
subdirectory
SubDir

Targets

- Target
  
  Client-built.exe
- Size
  
  3.1MB
- MD5
  
  afbe43a1d3e9986c5a72a9d7dc2db574
- SHA1
  
  21ef2f45fd401a680094ee78d4429338aebd53fa
- SHA256
  
  e041e66e2ae3d5f3788712173628f211d4ac597071a9724035655e3d5812f632
- SHA512
  
  03d734318c8fff5a3a6d30601bcfd35f6ce95f8a32f7f095f103464551b7afdaf22f3a98aaa1ac7c35a53058db85455250d9ecfcb65521de138f88377c80b5a4
- SSDEEP
  
  49152:/vblL26AaNeWgPhlmVqvMQ7XSKCkbQMoGdv5THHB72eh2NT:/vBL26AaNeWgPhlmVqkQ7XSKCkbd
Score

10^/10

quasar office04 spyware trojan
- Quasar RAT
  Quasar is an open source Remote Access Tool.
  trojan spyware quasar
- Quasar family
  quasar
- Quasar payload
- Executes dropped EXE
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

Scheduled Task

Persistence

Scheduled Task/Job

Scheduled Task

Privilege Escalation

Scheduled Task/Job

Scheduled Task

Defense Evasion

Credential Access

Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

quasaroffice04spywaretrojan

behavioral2

quasaroffice04spywaretrojan

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