quasar | 9b4a5a44a932c5c42086a5989f87a5261ab8e6e96bc8ea2c0cf7ca6de68bc7ad | Triage

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Overview

overview

Static

static

installer.exe

windows7-x64

installer.exe

windows10-2004-x64

Sharing

General

Target

installer.exe
Size

3.1MB
Sample

241216-hdgsjaymcs
MD5

dbde842faf140037f07cad5bd09771e9
SHA1

64dbcaf7d1e664556b5fd82e0e8b8efeae38dea0
SHA256

9b4a5a44a932c5c42086a5989f87a5261ab8e6e96bc8ea2c0cf7ca6de68bc7ad
SHA512

8a970a2ef3e0bcf378acce7a748289b8cdc68c5ff7b50d940dd4ce1f94c9790e9be6a440e1baf57e5fab8a6d767d4a1ddbe6b2244c23a95f91f553af32339885
SSDEEP

49152:hveI22SsaNYfdPBldt698dBcjHDCG1JELoGdXTHHB72eh2NT:hvT22SsaNYfdPBldt6+dBcjHDC3

Score

10^/10

quasar office04 spyware trojan

Static task

static1

office04 quasar

3 signatures

Behavioral task

behavioral1

Sample

installer.exe

Resource

win7-20240903-en

quasar office04 spyware trojan

windows7-x64

11 signatures

150 seconds

Behavioral task

behavioral2

Sample

installer.exe

Resource

win10v2004-20241007-en

quasar office04 spyware trojan

windows10-2004-x64

11 signatures

150 seconds

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.68.104:4782

Mutex

93aae856-95a8-4f87-bb5a-e035e00ec571

Attributes

encryption_key
A9BD88FEF9A2EA52A07F5C37D168C315C868BC60
install_name
Client.exe
log_directory
Logs
reconnect_delay
3000
startup_key
Antimalware Core Service
subdirectory
SubDir

Targets

- Target
  
  installer.exe
- Size
  
  3.1MB
- MD5
  
  dbde842faf140037f07cad5bd09771e9
- SHA1
  
  64dbcaf7d1e664556b5fd82e0e8b8efeae38dea0
- SHA256
  
  9b4a5a44a932c5c42086a5989f87a5261ab8e6e96bc8ea2c0cf7ca6de68bc7ad
- SHA512
  
  8a970a2ef3e0bcf378acce7a748289b8cdc68c5ff7b50d940dd4ce1f94c9790e9be6a440e1baf57e5fab8a6d767d4a1ddbe6b2244c23a95f91f553af32339885
- SSDEEP
  
  49152:hveI22SsaNYfdPBldt698dBcjHDCG1JELoGdXTHHB72eh2NT:hvT22SsaNYfdPBldt6+dBcjHDC3
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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

quasaroffice04spywaretrojan

behavioral2

quasaroffice04spywaretrojan

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