Overview

overview

10

Static

static

10

quasarxd.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    quasarxd.exe

  • Size

    3.1MB

  • Sample

    240701-x188mavdjb

  • MD5

    909b167a9c99759a1203f4a27f805112

  • SHA1

    203d46833ece9748e3875ffefbd5b268f0ec9b64

  • SHA256

    862bd4762dc753d859ac15ae2c79d99c9b4f637a52d5ddfe5ed30dda1135b60b

  • SHA512

    1405563bc6e3c61205ac8c39e603f2befcb1e48c5d3316aec5235e80d64d5b5cd3c2ea989eb1471ac69c7b0503bcfd9e95e9c66b11eb661f46bb2802995adcaf

  • SSDEEP

    49152:fvyI22SsaNYfdPBldt698dBcjHhqx71v4LoGy5cSVTHHB72eh2NT:fvf22SsaNYfdPBldt6+dBcjHhqxU

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.1.117:4782

Mutex

d4f509cf-7da3-4c4c-9cfd-174cb5da47fa

Attributes
  • encryption_key

    99DD0129158FA6F5C116037512C574C2595B28C3

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      quasarxd.exe

    • Size

      3.1MB

    • MD5

      909b167a9c99759a1203f4a27f805112

    • SHA1

      203d46833ece9748e3875ffefbd5b268f0ec9b64

    • SHA256

      862bd4762dc753d859ac15ae2c79d99c9b4f637a52d5ddfe5ed30dda1135b60b

    • SHA512

      1405563bc6e3c61205ac8c39e603f2befcb1e48c5d3316aec5235e80d64d5b5cd3c2ea989eb1471ac69c7b0503bcfd9e95e9c66b11eb661f46bb2802995adcaf

    • SSDEEP

      49152:fvyI22SsaNYfdPBldt698dBcjHhqx71v4LoGy5cSVTHHB72eh2NT:fvf22SsaNYfdPBldt6+dBcjHhqxU

    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    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

Query Registry

1
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks