Overview

overview

10

Static

static

10

Remote.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    Remote.exe

  • Size

    3.1MB

  • Sample

    240630-vwdj2svbpn

  • MD5

    875d3550ed90decbd5188e1d2cc961c0

  • SHA1

    b067c399f32873bfb4d16524a87d17196c6a070b

  • SHA256

    65914f9dcfa1f7e81859a9e042ee84b549bde879180d4eea3eb7fe4f50b73097

  • SHA512

    c7799194bbebba17ce32765416ed75a996a29c9694191e6cc89966fa10a9675cafef26867320fabfbb21a851f4ee261b99b260aa0c4f5ee359fcd128a71c13fa

  • SSDEEP

    49152:HviI22SsaNYfdPBldt698dBcjHEKRJ6zbR3LoGdqTHHB72eh2NT:Hvv22SsaNYfdPBldt6+dBcjHEKRJ6l

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.1.150:4782

Mutex

adc301f6-35ca-4636-b286-ad2aef63f877

Attributes
  • encryption_key

    54B7AB1A151267275EF24D335CE7E3B6ABDDC53E

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windows Updater Services

  • subdirectory

    SubDir

Targets

    • Target

      Remote.exe

    • Size

      3.1MB

    • MD5

      875d3550ed90decbd5188e1d2cc961c0

    • SHA1

      b067c399f32873bfb4d16524a87d17196c6a070b

    • SHA256

      65914f9dcfa1f7e81859a9e042ee84b549bde879180d4eea3eb7fe4f50b73097

    • SHA512

      c7799194bbebba17ce32765416ed75a996a29c9694191e6cc89966fa10a9675cafef26867320fabfbb21a851f4ee261b99b260aa0c4f5ee359fcd128a71c13fa

    • SSDEEP

      49152:HviI22SsaNYfdPBldt698dBcjHEKRJ6zbR3LoGdqTHHB72eh2NT:Hvv22SsaNYfdPBldt6+dBcjHEKRJ6l

    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

2
T1082

Query Registry

2
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks