Overview

overview

10

Static

static

1

Barkforquest.bat

windows7-x64

8

Barkforquest.bat

windows10-2004-x64

10

Sharing

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General

  • Target

    Barkforquest.bat

  • Size

    1.6MB

  • Sample

    240617-z8slysyekj

  • MD5

    10a8106b9bdb74ea819015492a98de52

  • SHA1

    178505f1df07ea6157f4ae4f5b503e7040f05eda

  • SHA256

    a9715cb374cb9057a493af7be6d2380fd6c80756d64ccc86a99a55ea7b74fe99

  • SHA512

    99a7e43b6a985a71236ea5b6cd4e3ee9411639ea043bb698975e42a40d23ce158355481d3b0552f9d93f520ada901a8ecece56873c00c9264944a58140a226a4

  • SSDEEP

    24576:nuodnO7Vk+PgK4SMQd+Vi3eQfB176Aj+w8OIj1w5zKjZ8nvs+kuKHCt0pBh+U/s:Dm6yg9ShQi3zj8OmZobypB0

Score
10/10
quasareyewalledexecutionspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Eyewalled

C2

147.185.221.18:18043

147.185.221.18:1358
Mutex

348940a4-40db-4d79-9103-0f7d01523a5f

Attributes
  • encryption_key

    5DC88632DB49FAF65E0C2CAFE5B8ED273163E194

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3001

  • startup_key

    Quasar Client Startup

  • subdirectory

    Management

Targets

    • Target

      Barkforquest.bat

    • Size

      1.6MB

    • MD5

      10a8106b9bdb74ea819015492a98de52

    • SHA1

      178505f1df07ea6157f4ae4f5b503e7040f05eda

    • SHA256

      a9715cb374cb9057a493af7be6d2380fd6c80756d64ccc86a99a55ea7b74fe99

    • SHA512

      99a7e43b6a985a71236ea5b6cd4e3ee9411639ea043bb698975e42a40d23ce158355481d3b0552f9d93f520ada901a8ecece56873c00c9264944a58140a226a4

    • SSDEEP

      24576:nuodnO7Vk+PgK4SMQd+Vi3eQfB176Aj+w8OIj1w5zKjZ8nvs+kuKHCt0pBh+U/s:Dm6yg9ShQi3zj8OmZobypB0

    Score
    10/10
    executionquasareyewalledspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Defense Evasion

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks