quasar | 4ad66f08167a301d51c613fa49c846297787a2fbc57d526c4885b419f61bb78f | Triage

Submit
Reports

Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Overview

overview

Static

static

Client-built.exe

windows7-x64

Client-built.exe

windows10-2004-x64

Resubmissions

22/12/2024, 02:36 UTC

241222-c3x8xsznby 10

22/12/2024, 02:36 UTC

241222-c3ndqazna1 10

22/12/2024, 02:34 UTC

241222-c2nyvszpek 10

Sharing

General

Target

Client-built.exe
Size

3.1MB
Sample

241222-c3x8xsznby
MD5

455889b66765b1638dd978a0280f1c7e
SHA1

774c78b88528e366cb46ba6723f7bbc7dbb192c1
SHA256

4ad66f08167a301d51c613fa49c846297787a2fbc57d526c4885b419f61bb78f
SHA512

df5c6d8615e1f41f4d908b62f052805ee8b9dd50d129a9ae2da66888cb60b985a841b00f74090c436e05d6b26672d6fc9957a551cbbf30d91a2af4d5d81e3d3e
SSDEEP

49152:avBt62XlaSFNWPjljiFa2RoUYIWXhymzg8oGd5ZTHHB72eh2NT:avr62XlaSFNWPjljiFXRoUYIWXhnp

Score

10^/10

quasar office04 discovery spyware trojan

Static task

static1

office04 quasar

3 signatures

Behavioral task

behavioral1

Sample

Client-built.exe

Resource

win7-20240708-en

quasar office04 discovery spyware trojan

windows7-x64

13 signatures

150 seconds

Behavioral task

behavioral2

Sample

Client-built.exe

Resource

win10v2004-20241007-en

quasar office04 discovery spyware trojan

windows10-2004-x64

14 signatures

150 seconds

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

JJ:4782

192.168.10.1:4782

Mutex

9a10c5be-59aa-4915-9bd2-d92256f2c938

Attributes

encryption_key
83ADBC9532F819159CF9138DCD18B9BF646C2117
install_name
Client.exe
log_directory
Logs
reconnect_delay
3000
startup_key
Discord
subdirectory
SubDir

Targets

- Target
  
  Client-built.exe
- Size
  
  3.1MB
- MD5
  
  455889b66765b1638dd978a0280f1c7e
- SHA1
  
  774c78b88528e366cb46ba6723f7bbc7dbb192c1
- SHA256
  
  4ad66f08167a301d51c613fa49c846297787a2fbc57d526c4885b419f61bb78f
- SHA512
  
  df5c6d8615e1f41f4d908b62f052805ee8b9dd50d129a9ae2da66888cb60b985a841b00f74090c436e05d6b26672d6fc9957a551cbbf30d91a2af4d5d81e3d3e
- SSDEEP
  
  49152:avBt62XlaSFNWPjljiFa2RoUYIWXhymzg8oGd5ZTHHB72eh2NT:avr62XlaSFNWPjljiFXRoUYIWXhnp
Score

10^/10

quasar office04 discovery spyware trojan
- Quasar RAT
  Quasar is an open source Remote Access Tool.
  trojan spyware quasar
- Quasar family
  quasar
- Quasar payload
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- Drops file in System32 directory
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

Remote System Discovery

System Information Discovery

System Network Configuration Discovery

Internet Connection Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

quasaroffice04discoveryspywaretrojan

behavioral2

quasaroffice04discoveryspywaretrojan

© 2018-2025

Terms | Privacy

We care about your privacy.

This website stores cookies on your computer. These cookies are used to improve your website experience and provide more personalized services to you, both on this website and through other media. To find out more about the cookies we use, see our Privacy Policy.