Overview

overview

10

Static

static

1

loader(1).bat

windows11-21h2-x64

10

Sharing

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General

  • Target

    loader(1).bat

  • Size

    6KB

  • Sample

    240630-a7wjsa1bpa

  • MD5

    dd28cb17a1e4540852af1452696640d0

  • SHA1

    d4a954bc2fbae13ad5b0f8f78ea13714a8a00a39

  • SHA256

    0da69bfe85133738cfcd24c9381baeb0ff3c849b5fa995171407cc4a9ef1626b

  • SHA512

    e9ad278709c73dcc0a136de9ab275a4506ef812d530eb27b6620738321261e6f41540c163b2d7d8ed4844df96ecf7970001f561b0f225a71532f13d3896701cd

  • SSDEEP

    192:B+Y+L2cE8Wc/Dz+KH32ywmC4cRpmVZfE1XzHxl/JXhCdyNhA:UE8Wc/DztH32y7C4Qp/lzRl/JXhDNhA

Score
10/10
quasaroffice04executionspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

127.0.0.1:4782

Mutex

b04ba2ce-b74d-409a-9f5c-bdaffe1644ec

Attributes
  • encryption_key

    3C410D3A0BD1E76F9F4B11AD742F61FAE2E183E6

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      loader(1).bat

    • Size

      6KB

    • MD5

      dd28cb17a1e4540852af1452696640d0

    • SHA1

      d4a954bc2fbae13ad5b0f8f78ea13714a8a00a39

    • SHA256

      0da69bfe85133738cfcd24c9381baeb0ff3c849b5fa995171407cc4a9ef1626b

    • SHA512

      e9ad278709c73dcc0a136de9ab275a4506ef812d530eb27b6620738321261e6f41540c163b2d7d8ed4844df96ecf7970001f561b0f225a71532f13d3896701cd

    • SSDEEP

      192:B+Y+L2cE8Wc/Dz+KH32ywmC4cRpmVZfE1XzHxl/JXhCdyNhA:UE8Wc/DztH32y7C4Qp/lzRl/JXhDNhA

    Score
    10/10
    quasaroffice04executionspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Blocklisted process makes network request

    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks